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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * Universal Interface for Intel High Definition Audio Codec | |
3 | * | |
4 | * Generic widget tree parser | |
5 | * | |
6 | * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> | |
7 | * | |
8 | * This driver is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This driver is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | */ | |
22 | ||
1da177e4 LT |
23 | #include <linux/init.h> |
24 | #include <linux/slab.h> | |
1da177e4 LT |
25 | #include <sound/core.h> |
26 | #include "hda_codec.h" | |
27 | #include "hda_local.h" | |
28 | ||
29 | /* widget node for parsing */ | |
30 | struct hda_gnode { | |
31 | hda_nid_t nid; /* NID of this widget */ | |
32 | unsigned short nconns; /* number of input connections */ | |
d2569505 TI |
33 | hda_nid_t *conn_list; |
34 | hda_nid_t slist[2]; /* temporay list */ | |
1da177e4 LT |
35 | unsigned int wid_caps; /* widget capabilities */ |
36 | unsigned char type; /* widget type */ | |
37 | unsigned char pin_ctl; /* pin controls */ | |
38 | unsigned char checked; /* the flag indicates that the node is already parsed */ | |
39 | unsigned int pin_caps; /* pin widget capabilities */ | |
40 | unsigned int def_cfg; /* default configuration */ | |
41 | unsigned int amp_out_caps; /* AMP out capabilities */ | |
42 | unsigned int amp_in_caps; /* AMP in capabilities */ | |
43 | struct list_head list; | |
44 | }; | |
45 | ||
c3132925 | 46 | /* patch-specific record */ |
a7da6ce5 TI |
47 | |
48 | #define MAX_PCM_VOLS 2 | |
49 | struct pcm_vol { | |
50 | struct hda_gnode *node; /* Node for PCM volume */ | |
51 | unsigned int index; /* connection of PCM volume */ | |
52 | }; | |
53 | ||
1da177e4 | 54 | struct hda_gspec { |
97ec558a TI |
55 | struct hda_gnode *dac_node[2]; /* DAC node */ |
56 | struct hda_gnode *out_pin_node[2]; /* Output pin (Line-Out) node */ | |
a7da6ce5 TI |
57 | struct pcm_vol pcm_vol[MAX_PCM_VOLS]; /* PCM volumes */ |
58 | unsigned int pcm_vol_nodes; /* number of PCM volumes */ | |
1da177e4 LT |
59 | |
60 | struct hda_gnode *adc_node; /* ADC node */ | |
61 | struct hda_gnode *cap_vol_node; /* Node for capture volume */ | |
62 | unsigned int cur_cap_src; /* current capture source */ | |
63 | struct hda_input_mux input_mux; | |
64 | char cap_labels[HDA_MAX_NUM_INPUTS][16]; | |
65 | ||
66 | unsigned int def_amp_in_caps; | |
67 | unsigned int def_amp_out_caps; | |
68 | ||
69 | struct hda_pcm pcm_rec; /* PCM information */ | |
70 | ||
71 | struct list_head nid_list; /* list of widgets */ | |
cb53c626 TI |
72 | |
73 | #ifdef CONFIG_SND_HDA_POWER_SAVE | |
74 | #define MAX_LOOPBACK_AMPS 7 | |
75 | struct hda_loopback_check loopback; | |
76 | int num_loopbacks; | |
77 | struct hda_amp_list loopback_list[MAX_LOOPBACK_AMPS + 1]; | |
78 | #endif | |
1da177e4 LT |
79 | }; |
80 | ||
81 | /* | |
82 | * retrieve the default device type from the default config value | |
83 | */ | |
97ec558a TI |
84 | #define defcfg_type(node) (((node)->def_cfg & AC_DEFCFG_DEVICE) >> \ |
85 | AC_DEFCFG_DEVICE_SHIFT) | |
86 | #define defcfg_location(node) (((node)->def_cfg & AC_DEFCFG_LOCATION) >> \ | |
87 | AC_DEFCFG_LOCATION_SHIFT) | |
88 | #define defcfg_port_conn(node) (((node)->def_cfg & AC_DEFCFG_PORT_CONN) >> \ | |
89 | AC_DEFCFG_PORT_CONN_SHIFT) | |
1da177e4 LT |
90 | |
91 | /* | |
92 | * destructor | |
93 | */ | |
94 | static void snd_hda_generic_free(struct hda_codec *codec) | |
95 | { | |
96 | struct hda_gspec *spec = codec->spec; | |
33206e86 | 97 | struct hda_gnode *node, *n; |
1da177e4 LT |
98 | |
99 | if (! spec) | |
100 | return; | |
101 | /* free all widgets */ | |
33206e86 | 102 | list_for_each_entry_safe(node, n, &spec->nid_list, list) { |
d2569505 TI |
103 | if (node->conn_list != node->slist) |
104 | kfree(node->conn_list); | |
1da177e4 LT |
105 | kfree(node); |
106 | } | |
107 | kfree(spec); | |
108 | } | |
109 | ||
110 | ||
111 | /* | |
112 | * add a new widget node and read its attributes | |
113 | */ | |
114 | static int add_new_node(struct hda_codec *codec, struct hda_gspec *spec, hda_nid_t nid) | |
115 | { | |
116 | struct hda_gnode *node; | |
117 | int nconns; | |
d2569505 | 118 | hda_nid_t conn_list[HDA_MAX_CONNECTIONS]; |
1da177e4 | 119 | |
e560d8d8 | 120 | node = kzalloc(sizeof(*node), GFP_KERNEL); |
1da177e4 LT |
121 | if (node == NULL) |
122 | return -ENOMEM; | |
123 | node->nid = nid; | |
d2569505 TI |
124 | nconns = snd_hda_get_connections(codec, nid, conn_list, |
125 | HDA_MAX_CONNECTIONS); | |
1da177e4 LT |
126 | if (nconns < 0) { |
127 | kfree(node); | |
128 | return nconns; | |
129 | } | |
d2569505 TI |
130 | if (nconns <= ARRAY_SIZE(node->slist)) |
131 | node->conn_list = node->slist; | |
132 | else { | |
133 | node->conn_list = kmalloc(sizeof(hda_nid_t) * nconns, | |
134 | GFP_KERNEL); | |
135 | if (! node->conn_list) { | |
136 | snd_printk(KERN_ERR "hda-generic: cannot malloc\n"); | |
137 | kfree(node); | |
138 | return -ENOMEM; | |
139 | } | |
140 | } | |
0bbed758 | 141 | memcpy(node->conn_list, conn_list, nconns * sizeof(hda_nid_t)); |
1da177e4 | 142 | node->nconns = nconns; |
d2569505 | 143 | node->wid_caps = get_wcaps(codec, nid); |
1da177e4 LT |
144 | node->type = (node->wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT; |
145 | ||
146 | if (node->type == AC_WID_PIN) { | |
147 | node->pin_caps = snd_hda_param_read(codec, node->nid, AC_PAR_PIN_CAP); | |
148 | node->pin_ctl = snd_hda_codec_read(codec, node->nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0); | |
149 | node->def_cfg = snd_hda_codec_read(codec, node->nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0); | |
150 | } | |
151 | ||
152 | if (node->wid_caps & AC_WCAP_OUT_AMP) { | |
153 | if (node->wid_caps & AC_WCAP_AMP_OVRD) | |
154 | node->amp_out_caps = snd_hda_param_read(codec, node->nid, AC_PAR_AMP_OUT_CAP); | |
155 | if (! node->amp_out_caps) | |
156 | node->amp_out_caps = spec->def_amp_out_caps; | |
157 | } | |
158 | if (node->wid_caps & AC_WCAP_IN_AMP) { | |
159 | if (node->wid_caps & AC_WCAP_AMP_OVRD) | |
160 | node->amp_in_caps = snd_hda_param_read(codec, node->nid, AC_PAR_AMP_IN_CAP); | |
161 | if (! node->amp_in_caps) | |
162 | node->amp_in_caps = spec->def_amp_in_caps; | |
163 | } | |
164 | list_add_tail(&node->list, &spec->nid_list); | |
165 | return 0; | |
166 | } | |
167 | ||
168 | /* | |
169 | * build the AFG subtree | |
170 | */ | |
171 | static int build_afg_tree(struct hda_codec *codec) | |
172 | { | |
173 | struct hda_gspec *spec = codec->spec; | |
174 | int i, nodes, err; | |
175 | hda_nid_t nid; | |
176 | ||
177 | snd_assert(spec, return -EINVAL); | |
178 | ||
179 | spec->def_amp_out_caps = snd_hda_param_read(codec, codec->afg, AC_PAR_AMP_OUT_CAP); | |
180 | spec->def_amp_in_caps = snd_hda_param_read(codec, codec->afg, AC_PAR_AMP_IN_CAP); | |
181 | ||
182 | nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid); | |
183 | if (! nid || nodes < 0) { | |
184 | printk(KERN_ERR "Invalid AFG subtree\n"); | |
185 | return -EINVAL; | |
186 | } | |
187 | ||
188 | /* parse all nodes belonging to the AFG */ | |
189 | for (i = 0; i < nodes; i++, nid++) { | |
190 | if ((err = add_new_node(codec, spec, nid)) < 0) | |
191 | return err; | |
192 | } | |
193 | ||
194 | return 0; | |
195 | } | |
196 | ||
197 | ||
198 | /* | |
199 | * look for the node record for the given NID | |
200 | */ | |
201 | /* FIXME: should avoid the braindead linear search */ | |
202 | static struct hda_gnode *hda_get_node(struct hda_gspec *spec, hda_nid_t nid) | |
203 | { | |
1da177e4 LT |
204 | struct hda_gnode *node; |
205 | ||
33206e86 | 206 | list_for_each_entry(node, &spec->nid_list, list) { |
1da177e4 LT |
207 | if (node->nid == nid) |
208 | return node; | |
209 | } | |
210 | return NULL; | |
211 | } | |
212 | ||
213 | /* | |
214 | * unmute (and set max vol) the output amplifier | |
215 | */ | |
216 | static int unmute_output(struct hda_codec *codec, struct hda_gnode *node) | |
217 | { | |
218 | unsigned int val, ofs; | |
219 | snd_printdd("UNMUTE OUT: NID=0x%x\n", node->nid); | |
220 | val = (node->amp_out_caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; | |
221 | ofs = (node->amp_out_caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT; | |
222 | if (val >= ofs) | |
223 | val -= ofs; | |
47fd830a | 224 | snd_hda_codec_amp_stereo(codec, node->nid, HDA_OUTPUT, 0, 0xff, val); |
82beb8fd | 225 | return 0; |
1da177e4 LT |
226 | } |
227 | ||
228 | /* | |
229 | * unmute (and set max vol) the input amplifier | |
230 | */ | |
231 | static int unmute_input(struct hda_codec *codec, struct hda_gnode *node, unsigned int index) | |
232 | { | |
233 | unsigned int val, ofs; | |
234 | snd_printdd("UNMUTE IN: NID=0x%x IDX=0x%x\n", node->nid, index); | |
235 | val = (node->amp_in_caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; | |
236 | ofs = (node->amp_in_caps & AC_AMPCAP_OFFSET) >> AC_AMPCAP_OFFSET_SHIFT; | |
237 | if (val >= ofs) | |
238 | val -= ofs; | |
47fd830a | 239 | snd_hda_codec_amp_stereo(codec, node->nid, HDA_INPUT, index, 0xff, val); |
82beb8fd | 240 | return 0; |
1da177e4 LT |
241 | } |
242 | ||
243 | /* | |
244 | * select the input connection of the given node. | |
245 | */ | |
246 | static int select_input_connection(struct hda_codec *codec, struct hda_gnode *node, | |
247 | unsigned int index) | |
248 | { | |
249 | snd_printdd("CONNECT: NID=0x%x IDX=0x%x\n", node->nid, index); | |
82beb8fd TI |
250 | return snd_hda_codec_write_cache(codec, node->nid, 0, |
251 | AC_VERB_SET_CONNECT_SEL, index); | |
1da177e4 LT |
252 | } |
253 | ||
254 | /* | |
255 | * clear checked flag of each node in the node list | |
256 | */ | |
257 | static void clear_check_flags(struct hda_gspec *spec) | |
258 | { | |
1da177e4 LT |
259 | struct hda_gnode *node; |
260 | ||
33206e86 | 261 | list_for_each_entry(node, &spec->nid_list, list) { |
1da177e4 LT |
262 | node->checked = 0; |
263 | } | |
264 | } | |
265 | ||
266 | /* | |
267 | * parse the output path recursively until reach to an audio output widget | |
268 | * | |
269 | * returns 0 if not found, 1 if found, or a negative error code. | |
270 | */ | |
271 | static int parse_output_path(struct hda_codec *codec, struct hda_gspec *spec, | |
97ec558a | 272 | struct hda_gnode *node, int dac_idx) |
1da177e4 LT |
273 | { |
274 | int i, err; | |
275 | struct hda_gnode *child; | |
276 | ||
277 | if (node->checked) | |
278 | return 0; | |
279 | ||
280 | node->checked = 1; | |
281 | if (node->type == AC_WID_AUD_OUT) { | |
282 | if (node->wid_caps & AC_WCAP_DIGITAL) { | |
283 | snd_printdd("Skip Digital OUT node %x\n", node->nid); | |
284 | return 0; | |
285 | } | |
286 | snd_printdd("AUD_OUT found %x\n", node->nid); | |
97ec558a | 287 | if (spec->dac_node[dac_idx]) { |
1da177e4 | 288 | /* already DAC node is assigned, just unmute & connect */ |
97ec558a | 289 | return node == spec->dac_node[dac_idx]; |
1da177e4 | 290 | } |
97ec558a | 291 | spec->dac_node[dac_idx] = node; |
a7da6ce5 TI |
292 | if ((node->wid_caps & AC_WCAP_OUT_AMP) && |
293 | spec->pcm_vol_nodes < MAX_PCM_VOLS) { | |
294 | spec->pcm_vol[spec->pcm_vol_nodes].node = node; | |
295 | spec->pcm_vol[spec->pcm_vol_nodes].index = 0; | |
296 | spec->pcm_vol_nodes++; | |
1da177e4 LT |
297 | } |
298 | return 1; /* found */ | |
299 | } | |
300 | ||
301 | for (i = 0; i < node->nconns; i++) { | |
302 | child = hda_get_node(spec, node->conn_list[i]); | |
303 | if (! child) | |
304 | continue; | |
97ec558a | 305 | err = parse_output_path(codec, spec, child, dac_idx); |
1da177e4 LT |
306 | if (err < 0) |
307 | return err; | |
308 | else if (err > 0) { | |
309 | /* found one, | |
310 | * select the path, unmute both input and output | |
311 | */ | |
312 | if (node->nconns > 1) | |
313 | select_input_connection(codec, node, i); | |
314 | unmute_input(codec, node, i); | |
315 | unmute_output(codec, node); | |
a7da6ce5 TI |
316 | if (spec->dac_node[dac_idx] && |
317 | spec->pcm_vol_nodes < MAX_PCM_VOLS && | |
318 | !(spec->dac_node[dac_idx]->wid_caps & | |
319 | AC_WCAP_OUT_AMP)) { | |
320 | if ((node->wid_caps & AC_WCAP_IN_AMP) || | |
321 | (node->wid_caps & AC_WCAP_OUT_AMP)) { | |
322 | int n = spec->pcm_vol_nodes; | |
323 | spec->pcm_vol[n].node = node; | |
324 | spec->pcm_vol[n].index = i; | |
325 | spec->pcm_vol_nodes++; | |
1da177e4 LT |
326 | } |
327 | } | |
328 | return 1; | |
329 | } | |
330 | } | |
331 | return 0; | |
332 | } | |
333 | ||
334 | /* | |
335 | * Look for the output PIN widget with the given jack type | |
336 | * and parse the output path to that PIN. | |
337 | * | |
338 | * Returns the PIN node when the path to DAC is established. | |
339 | */ | |
340 | static struct hda_gnode *parse_output_jack(struct hda_codec *codec, | |
341 | struct hda_gspec *spec, | |
342 | int jack_type) | |
343 | { | |
1da177e4 LT |
344 | struct hda_gnode *node; |
345 | int err; | |
346 | ||
33206e86 | 347 | list_for_each_entry(node, &spec->nid_list, list) { |
1da177e4 LT |
348 | if (node->type != AC_WID_PIN) |
349 | continue; | |
350 | /* output capable? */ | |
351 | if (! (node->pin_caps & AC_PINCAP_OUT)) | |
352 | continue; | |
97ec558a TI |
353 | if (defcfg_port_conn(node) == AC_JACK_PORT_NONE) |
354 | continue; /* unconnected */ | |
1da177e4 | 355 | if (jack_type >= 0) { |
e9edcee0 | 356 | if (jack_type != defcfg_type(node)) |
1da177e4 LT |
357 | continue; |
358 | if (node->wid_caps & AC_WCAP_DIGITAL) | |
359 | continue; /* skip SPDIF */ | |
360 | } else { | |
361 | /* output as default? */ | |
362 | if (! (node->pin_ctl & AC_PINCTL_OUT_EN)) | |
363 | continue; | |
364 | } | |
365 | clear_check_flags(spec); | |
97ec558a | 366 | err = parse_output_path(codec, spec, node, 0); |
1da177e4 LT |
367 | if (err < 0) |
368 | return NULL; | |
97ec558a TI |
369 | if (! err && spec->out_pin_node[0]) { |
370 | err = parse_output_path(codec, spec, node, 1); | |
371 | if (err < 0) | |
372 | return NULL; | |
373 | } | |
374 | if (err > 0) { | |
1da177e4 LT |
375 | /* unmute the PIN output */ |
376 | unmute_output(codec, node); | |
377 | /* set PIN-Out enable */ | |
82beb8fd | 378 | snd_hda_codec_write_cache(codec, node->nid, 0, |
1da177e4 | 379 | AC_VERB_SET_PIN_WIDGET_CONTROL, |
a7da6ce5 TI |
380 | AC_PINCTL_OUT_EN | |
381 | ((node->pin_caps & AC_PINCAP_HP_DRV) ? | |
382 | AC_PINCTL_HP_EN : 0)); | |
1da177e4 LT |
383 | return node; |
384 | } | |
385 | } | |
386 | return NULL; | |
387 | } | |
388 | ||
389 | ||
390 | /* | |
391 | * parse outputs | |
392 | */ | |
393 | static int parse_output(struct hda_codec *codec) | |
394 | { | |
395 | struct hda_gspec *spec = codec->spec; | |
396 | struct hda_gnode *node; | |
397 | ||
398 | /* | |
399 | * Look for the output PIN widget | |
400 | */ | |
401 | /* first, look for the line-out pin */ | |
402 | node = parse_output_jack(codec, spec, AC_JACK_LINE_OUT); | |
403 | if (node) /* found, remember the PIN node */ | |
97ec558a TI |
404 | spec->out_pin_node[0] = node; |
405 | else { | |
406 | /* if no line-out is found, try speaker out */ | |
407 | node = parse_output_jack(codec, spec, AC_JACK_SPEAKER); | |
408 | if (node) | |
409 | spec->out_pin_node[0] = node; | |
410 | } | |
1da177e4 LT |
411 | /* look for the HP-out pin */ |
412 | node = parse_output_jack(codec, spec, AC_JACK_HP_OUT); | |
413 | if (node) { | |
97ec558a TI |
414 | if (! spec->out_pin_node[0]) |
415 | spec->out_pin_node[0] = node; | |
416 | else | |
417 | spec->out_pin_node[1] = node; | |
1da177e4 LT |
418 | } |
419 | ||
97ec558a | 420 | if (! spec->out_pin_node[0]) { |
1da177e4 LT |
421 | /* no line-out or HP pins found, |
422 | * then choose for the first output pin | |
423 | */ | |
97ec558a TI |
424 | spec->out_pin_node[0] = parse_output_jack(codec, spec, -1); |
425 | if (! spec->out_pin_node[0]) | |
1da177e4 LT |
426 | snd_printd("hda_generic: no proper output path found\n"); |
427 | } | |
428 | ||
429 | return 0; | |
430 | } | |
431 | ||
432 | /* | |
433 | * input MUX | |
434 | */ | |
435 | ||
436 | /* control callbacks */ | |
c8b6bf9b | 437 | static int capture_source_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) |
1da177e4 LT |
438 | { |
439 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
440 | struct hda_gspec *spec = codec->spec; | |
441 | return snd_hda_input_mux_info(&spec->input_mux, uinfo); | |
442 | } | |
443 | ||
c8b6bf9b | 444 | static int capture_source_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 LT |
445 | { |
446 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
447 | struct hda_gspec *spec = codec->spec; | |
448 | ||
449 | ucontrol->value.enumerated.item[0] = spec->cur_cap_src; | |
450 | return 0; | |
451 | } | |
452 | ||
c8b6bf9b | 453 | static int capture_source_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) |
1da177e4 LT |
454 | { |
455 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
456 | struct hda_gspec *spec = codec->spec; | |
457 | return snd_hda_input_mux_put(codec, &spec->input_mux, ucontrol, | |
458 | spec->adc_node->nid, &spec->cur_cap_src); | |
459 | } | |
460 | ||
461 | /* | |
462 | * return the string name of the given input PIN widget | |
463 | */ | |
464 | static const char *get_input_type(struct hda_gnode *node, unsigned int *pinctl) | |
465 | { | |
e9edcee0 TI |
466 | unsigned int location = defcfg_location(node); |
467 | switch (defcfg_type(node)) { | |
1da177e4 LT |
468 | case AC_JACK_LINE_IN: |
469 | if ((location & 0x0f) == AC_JACK_LOC_FRONT) | |
470 | return "Front Line"; | |
471 | return "Line"; | |
472 | case AC_JACK_CD: | |
071c73ad | 473 | #if 0 |
1da177e4 | 474 | if (pinctl) |
1a12de1e | 475 | *pinctl |= AC_PINCTL_VREF_GRD; |
071c73ad | 476 | #endif |
1da177e4 LT |
477 | return "CD"; |
478 | case AC_JACK_AUX: | |
479 | if ((location & 0x0f) == AC_JACK_LOC_FRONT) | |
480 | return "Front Aux"; | |
481 | return "Aux"; | |
482 | case AC_JACK_MIC_IN: | |
6afeb11d TI |
483 | if (pinctl && |
484 | (node->pin_caps & | |
485 | (AC_PINCAP_VREF_80 << AC_PINCAP_VREF_SHIFT))) | |
071c73ad | 486 | *pinctl |= AC_PINCTL_VREF_80; |
1da177e4 LT |
487 | if ((location & 0x0f) == AC_JACK_LOC_FRONT) |
488 | return "Front Mic"; | |
489 | return "Mic"; | |
490 | case AC_JACK_SPDIF_IN: | |
491 | return "SPDIF"; | |
492 | case AC_JACK_DIG_OTHER_IN: | |
493 | return "Digital"; | |
494 | } | |
495 | return NULL; | |
496 | } | |
497 | ||
498 | /* | |
499 | * parse the nodes recursively until reach to the input PIN | |
500 | * | |
501 | * returns 0 if not found, 1 if found, or a negative error code. | |
502 | */ | |
503 | static int parse_adc_sub_nodes(struct hda_codec *codec, struct hda_gspec *spec, | |
504 | struct hda_gnode *node) | |
505 | { | |
506 | int i, err; | |
507 | unsigned int pinctl; | |
508 | char *label; | |
509 | const char *type; | |
510 | ||
511 | if (node->checked) | |
512 | return 0; | |
513 | ||
514 | node->checked = 1; | |
515 | if (node->type != AC_WID_PIN) { | |
516 | for (i = 0; i < node->nconns; i++) { | |
517 | struct hda_gnode *child; | |
518 | child = hda_get_node(spec, node->conn_list[i]); | |
519 | if (! child) | |
520 | continue; | |
521 | err = parse_adc_sub_nodes(codec, spec, child); | |
522 | if (err < 0) | |
523 | return err; | |
524 | if (err > 0) { | |
525 | /* found one, | |
526 | * select the path, unmute both input and output | |
527 | */ | |
528 | if (node->nconns > 1) | |
529 | select_input_connection(codec, node, i); | |
530 | unmute_input(codec, node, i); | |
531 | unmute_output(codec, node); | |
532 | return err; | |
533 | } | |
534 | } | |
535 | return 0; | |
536 | } | |
537 | ||
538 | /* input capable? */ | |
539 | if (! (node->pin_caps & AC_PINCAP_IN)) | |
540 | return 0; | |
541 | ||
97ec558a TI |
542 | if (defcfg_port_conn(node) == AC_JACK_PORT_NONE) |
543 | return 0; /* unconnected */ | |
544 | ||
1da177e4 LT |
545 | if (node->wid_caps & AC_WCAP_DIGITAL) |
546 | return 0; /* skip SPDIF */ | |
547 | ||
548 | if (spec->input_mux.num_items >= HDA_MAX_NUM_INPUTS) { | |
549 | snd_printk(KERN_ERR "hda_generic: Too many items for capture\n"); | |
550 | return -EINVAL; | |
551 | } | |
552 | ||
553 | pinctl = AC_PINCTL_IN_EN; | |
554 | /* create a proper capture source label */ | |
555 | type = get_input_type(node, &pinctl); | |
556 | if (! type) { | |
557 | /* input as default? */ | |
558 | if (! (node->pin_ctl & AC_PINCTL_IN_EN)) | |
559 | return 0; | |
560 | type = "Input"; | |
561 | } | |
562 | label = spec->cap_labels[spec->input_mux.num_items]; | |
563 | strcpy(label, type); | |
564 | spec->input_mux.items[spec->input_mux.num_items].label = label; | |
565 | ||
566 | /* unmute the PIN external input */ | |
567 | unmute_input(codec, node, 0); /* index = 0? */ | |
568 | /* set PIN-In enable */ | |
82beb8fd TI |
569 | snd_hda_codec_write_cache(codec, node->nid, 0, |
570 | AC_VERB_SET_PIN_WIDGET_CONTROL, pinctl); | |
1da177e4 LT |
571 | |
572 | return 1; /* found */ | |
573 | } | |
574 | ||
071c73ad TI |
575 | /* add a capture source element */ |
576 | static void add_cap_src(struct hda_gspec *spec, int idx) | |
577 | { | |
578 | struct hda_input_mux_item *csrc; | |
579 | char *buf; | |
580 | int num, ocap; | |
581 | ||
582 | num = spec->input_mux.num_items; | |
583 | csrc = &spec->input_mux.items[num]; | |
584 | buf = spec->cap_labels[num]; | |
585 | for (ocap = 0; ocap < num; ocap++) { | |
586 | if (! strcmp(buf, spec->cap_labels[ocap])) { | |
587 | /* same label already exists, | |
588 | * put the index number to be unique | |
589 | */ | |
590 | sprintf(buf, "%s %d", spec->cap_labels[ocap], num); | |
591 | break; | |
592 | } | |
593 | } | |
594 | csrc->index = idx; | |
595 | spec->input_mux.num_items++; | |
596 | } | |
597 | ||
1da177e4 LT |
598 | /* |
599 | * parse input | |
600 | */ | |
601 | static int parse_input_path(struct hda_codec *codec, struct hda_gnode *adc_node) | |
602 | { | |
603 | struct hda_gspec *spec = codec->spec; | |
604 | struct hda_gnode *node; | |
605 | int i, err; | |
606 | ||
607 | snd_printdd("AUD_IN = %x\n", adc_node->nid); | |
608 | clear_check_flags(spec); | |
609 | ||
610 | // awk added - fixed no recording due to muted widget | |
611 | unmute_input(codec, adc_node, 0); | |
612 | ||
613 | /* | |
614 | * check each connection of the ADC | |
615 | * if it reaches to a proper input PIN, add the path as the | |
616 | * input path. | |
617 | */ | |
071c73ad | 618 | /* first, check the direct connections to PIN widgets */ |
1da177e4 LT |
619 | for (i = 0; i < adc_node->nconns; i++) { |
620 | node = hda_get_node(spec, adc_node->conn_list[i]); | |
071c73ad TI |
621 | if (node && node->type == AC_WID_PIN) { |
622 | err = parse_adc_sub_nodes(codec, spec, node); | |
623 | if (err < 0) | |
624 | return err; | |
625 | else if (err > 0) | |
626 | add_cap_src(spec, i); | |
627 | } | |
628 | } | |
629 | /* ... then check the rests, more complicated connections */ | |
630 | for (i = 0; i < adc_node->nconns; i++) { | |
631 | node = hda_get_node(spec, adc_node->conn_list[i]); | |
632 | if (node && node->type != AC_WID_PIN) { | |
633 | err = parse_adc_sub_nodes(codec, spec, node); | |
634 | if (err < 0) | |
635 | return err; | |
636 | else if (err > 0) | |
637 | add_cap_src(spec, i); | |
1da177e4 LT |
638 | } |
639 | } | |
640 | ||
641 | if (! spec->input_mux.num_items) | |
642 | return 0; /* no input path found... */ | |
643 | ||
644 | snd_printdd("[Capture Source] NID=0x%x, #SRC=%d\n", adc_node->nid, spec->input_mux.num_items); | |
645 | for (i = 0; i < spec->input_mux.num_items; i++) | |
646 | snd_printdd(" [%s] IDX=0x%x\n", spec->input_mux.items[i].label, | |
647 | spec->input_mux.items[i].index); | |
648 | ||
649 | spec->adc_node = adc_node; | |
650 | return 1; | |
651 | } | |
652 | ||
653 | /* | |
654 | * parse input | |
655 | */ | |
656 | static int parse_input(struct hda_codec *codec) | |
657 | { | |
658 | struct hda_gspec *spec = codec->spec; | |
1da177e4 LT |
659 | struct hda_gnode *node; |
660 | int err; | |
661 | ||
662 | /* | |
663 | * At first we look for an audio input widget. | |
664 | * If it reaches to certain input PINs, we take it as the | |
665 | * input path. | |
666 | */ | |
33206e86 | 667 | list_for_each_entry(node, &spec->nid_list, list) { |
1da177e4 LT |
668 | if (node->wid_caps & AC_WCAP_DIGITAL) |
669 | continue; /* skip SPDIF */ | |
670 | if (node->type == AC_WID_AUD_IN) { | |
671 | err = parse_input_path(codec, node); | |
672 | if (err < 0) | |
673 | return err; | |
674 | else if (err > 0) | |
675 | return 0; | |
676 | } | |
677 | } | |
678 | snd_printd("hda_generic: no proper input path found\n"); | |
679 | return 0; | |
680 | } | |
681 | ||
cb53c626 TI |
682 | #ifdef CONFIG_SND_HDA_POWER_SAVE |
683 | static void add_input_loopback(struct hda_codec *codec, hda_nid_t nid, | |
684 | int dir, int idx) | |
685 | { | |
686 | struct hda_gspec *spec = codec->spec; | |
687 | struct hda_amp_list *p; | |
688 | ||
689 | if (spec->num_loopbacks >= MAX_LOOPBACK_AMPS) { | |
690 | snd_printk(KERN_ERR "hda_generic: Too many loopback ctls\n"); | |
691 | return; | |
692 | } | |
693 | p = &spec->loopback_list[spec->num_loopbacks++]; | |
694 | p->nid = nid; | |
695 | p->dir = dir; | |
696 | p->idx = idx; | |
697 | spec->loopback.amplist = spec->loopback_list; | |
698 | } | |
699 | #else | |
700 | #define add_input_loopback(codec,nid,dir,idx) | |
701 | #endif | |
702 | ||
1da177e4 LT |
703 | /* |
704 | * create mixer controls if possible | |
705 | */ | |
1da177e4 | 706 | static int create_mixer(struct hda_codec *codec, struct hda_gnode *node, |
cb53c626 TI |
707 | unsigned int index, const char *type, |
708 | const char *dir_sfx, int is_loopback) | |
1da177e4 LT |
709 | { |
710 | char name[32]; | |
711 | int err; | |
712 | int created = 0; | |
c8b6bf9b | 713 | struct snd_kcontrol_new knew; |
1da177e4 LT |
714 | |
715 | if (type) | |
716 | sprintf(name, "%s %s Switch", type, dir_sfx); | |
717 | else | |
718 | sprintf(name, "%s Switch", dir_sfx); | |
719 | if ((node->wid_caps & AC_WCAP_IN_AMP) && | |
720 | (node->amp_in_caps & AC_AMPCAP_MUTE)) { | |
c8b6bf9b | 721 | knew = (struct snd_kcontrol_new)HDA_CODEC_MUTE(name, node->nid, index, HDA_INPUT); |
cb53c626 TI |
722 | if (is_loopback) |
723 | add_input_loopback(codec, node->nid, HDA_INPUT, index); | |
1da177e4 LT |
724 | snd_printdd("[%s] NID=0x%x, DIR=IN, IDX=0x%x\n", name, node->nid, index); |
725 | if ((err = snd_ctl_add(codec->bus->card, snd_ctl_new1(&knew, codec))) < 0) | |
726 | return err; | |
727 | created = 1; | |
728 | } else if ((node->wid_caps & AC_WCAP_OUT_AMP) && | |
729 | (node->amp_out_caps & AC_AMPCAP_MUTE)) { | |
c8b6bf9b | 730 | knew = (struct snd_kcontrol_new)HDA_CODEC_MUTE(name, node->nid, 0, HDA_OUTPUT); |
cb53c626 TI |
731 | if (is_loopback) |
732 | add_input_loopback(codec, node->nid, HDA_OUTPUT, 0); | |
1da177e4 LT |
733 | snd_printdd("[%s] NID=0x%x, DIR=OUT\n", name, node->nid); |
734 | if ((err = snd_ctl_add(codec->bus->card, snd_ctl_new1(&knew, codec))) < 0) | |
735 | return err; | |
736 | created = 1; | |
737 | } | |
738 | ||
739 | if (type) | |
740 | sprintf(name, "%s %s Volume", type, dir_sfx); | |
741 | else | |
742 | sprintf(name, "%s Volume", dir_sfx); | |
743 | if ((node->wid_caps & AC_WCAP_IN_AMP) && | |
744 | (node->amp_in_caps & AC_AMPCAP_NUM_STEPS)) { | |
c8b6bf9b | 745 | knew = (struct snd_kcontrol_new)HDA_CODEC_VOLUME(name, node->nid, index, HDA_INPUT); |
1da177e4 LT |
746 | snd_printdd("[%s] NID=0x%x, DIR=IN, IDX=0x%x\n", name, node->nid, index); |
747 | if ((err = snd_ctl_add(codec->bus->card, snd_ctl_new1(&knew, codec))) < 0) | |
748 | return err; | |
749 | created = 1; | |
750 | } else if ((node->wid_caps & AC_WCAP_OUT_AMP) && | |
751 | (node->amp_out_caps & AC_AMPCAP_NUM_STEPS)) { | |
c8b6bf9b | 752 | knew = (struct snd_kcontrol_new)HDA_CODEC_VOLUME(name, node->nid, 0, HDA_OUTPUT); |
1da177e4 LT |
753 | snd_printdd("[%s] NID=0x%x, DIR=OUT\n", name, node->nid); |
754 | if ((err = snd_ctl_add(codec->bus->card, snd_ctl_new1(&knew, codec))) < 0) | |
755 | return err; | |
756 | created = 1; | |
757 | } | |
758 | ||
759 | return created; | |
760 | } | |
761 | ||
762 | /* | |
763 | * check whether the controls with the given name and direction suffix already exist | |
764 | */ | |
765 | static int check_existing_control(struct hda_codec *codec, const char *type, const char *dir) | |
766 | { | |
c8b6bf9b | 767 | struct snd_ctl_elem_id id; |
1da177e4 LT |
768 | memset(&id, 0, sizeof(id)); |
769 | sprintf(id.name, "%s %s Volume", type, dir); | |
770 | id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
771 | if (snd_ctl_find_id(codec->bus->card, &id)) | |
772 | return 1; | |
773 | sprintf(id.name, "%s %s Switch", type, dir); | |
774 | id.iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
775 | if (snd_ctl_find_id(codec->bus->card, &id)) | |
776 | return 1; | |
777 | return 0; | |
778 | } | |
779 | ||
780 | /* | |
781 | * build output mixer controls | |
782 | */ | |
a7da6ce5 | 783 | static int create_output_mixers(struct hda_codec *codec, const char **names) |
1da177e4 LT |
784 | { |
785 | struct hda_gspec *spec = codec->spec; | |
97ec558a | 786 | int i, err; |
1da177e4 | 787 | |
a7da6ce5 TI |
788 | for (i = 0; i < spec->pcm_vol_nodes; i++) { |
789 | err = create_mixer(codec, spec->pcm_vol[i].node, | |
790 | spec->pcm_vol[i].index, | |
cb53c626 | 791 | names[i], "Playback", 0); |
97ec558a TI |
792 | if (err < 0) |
793 | return err; | |
794 | } | |
1da177e4 LT |
795 | return 0; |
796 | } | |
797 | ||
a7da6ce5 TI |
798 | static int build_output_controls(struct hda_codec *codec) |
799 | { | |
800 | struct hda_gspec *spec = codec->spec; | |
801 | static const char *types_speaker[] = { "Speaker", "Headphone" }; | |
802 | static const char *types_line[] = { "Front", "Headphone" }; | |
803 | ||
804 | switch (spec->pcm_vol_nodes) { | |
805 | case 1: | |
806 | return create_mixer(codec, spec->pcm_vol[0].node, | |
807 | spec->pcm_vol[0].index, | |
cb53c626 | 808 | "Master", "Playback", 0); |
a7da6ce5 TI |
809 | case 2: |
810 | if (defcfg_type(spec->out_pin_node[0]) == AC_JACK_SPEAKER) | |
811 | return create_output_mixers(codec, types_speaker); | |
812 | else | |
813 | return create_output_mixers(codec, types_line); | |
814 | } | |
815 | return 0; | |
816 | } | |
817 | ||
1da177e4 LT |
818 | /* create capture volume/switch */ |
819 | static int build_input_controls(struct hda_codec *codec) | |
820 | { | |
821 | struct hda_gspec *spec = codec->spec; | |
822 | struct hda_gnode *adc_node = spec->adc_node; | |
071c73ad TI |
823 | int i, err; |
824 | static struct snd_kcontrol_new cap_sel = { | |
825 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
826 | .name = "Capture Source", | |
827 | .info = capture_source_info, | |
828 | .get = capture_source_get, | |
829 | .put = capture_source_put, | |
830 | }; | |
831 | ||
832 | if (! adc_node || ! spec->input_mux.num_items) | |
1da177e4 LT |
833 | return 0; /* not found */ |
834 | ||
071c73ad TI |
835 | spec->cur_cap_src = 0; |
836 | select_input_connection(codec, adc_node, | |
837 | spec->input_mux.items[0].index); | |
838 | ||
1da177e4 | 839 | /* create capture volume and switch controls if the ADC has an amp */ |
071c73ad TI |
840 | /* do we have only a single item? */ |
841 | if (spec->input_mux.num_items == 1) { | |
842 | err = create_mixer(codec, adc_node, | |
843 | spec->input_mux.items[0].index, | |
cb53c626 | 844 | NULL, "Capture", 0); |
071c73ad TI |
845 | if (err < 0) |
846 | return err; | |
847 | return 0; | |
848 | } | |
1da177e4 LT |
849 | |
850 | /* create input MUX if multiple sources are available */ | |
071c73ad TI |
851 | if ((err = snd_ctl_add(codec->bus->card, |
852 | snd_ctl_new1(&cap_sel, codec))) < 0) | |
853 | return err; | |
854 | ||
855 | /* no volume control? */ | |
856 | if (! (adc_node->wid_caps & AC_WCAP_IN_AMP) || | |
857 | ! (adc_node->amp_in_caps & AC_AMPCAP_NUM_STEPS)) | |
858 | return 0; | |
859 | ||
860 | for (i = 0; i < spec->input_mux.num_items; i++) { | |
861 | struct snd_kcontrol_new knew; | |
862 | char name[32]; | |
863 | sprintf(name, "%s Capture Volume", | |
864 | spec->input_mux.items[i].label); | |
865 | knew = (struct snd_kcontrol_new) | |
866 | HDA_CODEC_VOLUME(name, adc_node->nid, | |
867 | spec->input_mux.items[i].index, | |
868 | HDA_INPUT); | |
869 | if ((err = snd_ctl_add(codec->bus->card, | |
870 | snd_ctl_new1(&knew, codec))) < 0) | |
1da177e4 | 871 | return err; |
1da177e4 | 872 | } |
071c73ad | 873 | |
1da177e4 LT |
874 | return 0; |
875 | } | |
876 | ||
877 | ||
878 | /* | |
879 | * parse the nodes recursively until reach to the output PIN. | |
880 | * | |
881 | * returns 0 - if not found, | |
882 | * 1 - if found, but no mixer is created | |
883 | * 2 - if found and mixer was already created, (just skip) | |
884 | * a negative error code | |
885 | */ | |
886 | static int parse_loopback_path(struct hda_codec *codec, struct hda_gspec *spec, | |
887 | struct hda_gnode *node, struct hda_gnode *dest_node, | |
888 | const char *type) | |
889 | { | |
890 | int i, err; | |
891 | ||
892 | if (node->checked) | |
893 | return 0; | |
894 | ||
895 | node->checked = 1; | |
896 | if (node == dest_node) { | |
897 | /* loopback connection found */ | |
898 | return 1; | |
899 | } | |
900 | ||
901 | for (i = 0; i < node->nconns; i++) { | |
902 | struct hda_gnode *child = hda_get_node(spec, node->conn_list[i]); | |
903 | if (! child) | |
904 | continue; | |
905 | err = parse_loopback_path(codec, spec, child, dest_node, type); | |
906 | if (err < 0) | |
907 | return err; | |
908 | else if (err >= 1) { | |
909 | if (err == 1) { | |
cb53c626 TI |
910 | err = create_mixer(codec, node, i, type, |
911 | "Playback", 1); | |
1da177e4 LT |
912 | if (err < 0) |
913 | return err; | |
914 | if (err > 0) | |
915 | return 2; /* ok, created */ | |
916 | /* not created, maybe in the lower path */ | |
917 | err = 1; | |
918 | } | |
919 | /* connect and unmute */ | |
920 | if (node->nconns > 1) | |
921 | select_input_connection(codec, node, i); | |
922 | unmute_input(codec, node, i); | |
923 | unmute_output(codec, node); | |
924 | return err; | |
925 | } | |
926 | } | |
927 | return 0; | |
928 | } | |
929 | ||
930 | /* | |
931 | * parse the tree and build the loopback controls | |
932 | */ | |
933 | static int build_loopback_controls(struct hda_codec *codec) | |
934 | { | |
935 | struct hda_gspec *spec = codec->spec; | |
1da177e4 LT |
936 | struct hda_gnode *node; |
937 | int err; | |
938 | const char *type; | |
939 | ||
97ec558a | 940 | if (! spec->out_pin_node[0]) |
1da177e4 LT |
941 | return 0; |
942 | ||
33206e86 | 943 | list_for_each_entry(node, &spec->nid_list, list) { |
1da177e4 LT |
944 | if (node->type != AC_WID_PIN) |
945 | continue; | |
946 | /* input capable? */ | |
947 | if (! (node->pin_caps & AC_PINCAP_IN)) | |
948 | return 0; | |
949 | type = get_input_type(node, NULL); | |
950 | if (type) { | |
951 | if (check_existing_control(codec, type, "Playback")) | |
952 | continue; | |
953 | clear_check_flags(spec); | |
97ec558a TI |
954 | err = parse_loopback_path(codec, spec, |
955 | spec->out_pin_node[0], | |
1da177e4 LT |
956 | node, type); |
957 | if (err < 0) | |
958 | return err; | |
959 | if (! err) | |
960 | continue; | |
961 | } | |
962 | } | |
963 | return 0; | |
964 | } | |
965 | ||
966 | /* | |
967 | * build mixer controls | |
968 | */ | |
969 | static int build_generic_controls(struct hda_codec *codec) | |
970 | { | |
971 | int err; | |
972 | ||
973 | if ((err = build_input_controls(codec)) < 0 || | |
974 | (err = build_output_controls(codec)) < 0 || | |
975 | (err = build_loopback_controls(codec)) < 0) | |
976 | return err; | |
977 | ||
978 | return 0; | |
979 | } | |
980 | ||
981 | /* | |
982 | * PCM | |
983 | */ | |
984 | static struct hda_pcm_stream generic_pcm_playback = { | |
985 | .substreams = 1, | |
986 | .channels_min = 2, | |
987 | .channels_max = 2, | |
988 | }; | |
989 | ||
97ec558a TI |
990 | static int generic_pcm2_prepare(struct hda_pcm_stream *hinfo, |
991 | struct hda_codec *codec, | |
992 | unsigned int stream_tag, | |
993 | unsigned int format, | |
994 | struct snd_pcm_substream *substream) | |
995 | { | |
996 | struct hda_gspec *spec = codec->spec; | |
997 | ||
998 | snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format); | |
999 | snd_hda_codec_setup_stream(codec, spec->dac_node[1]->nid, | |
1000 | stream_tag, 0, format); | |
1001 | return 0; | |
1002 | } | |
1003 | ||
1004 | static int generic_pcm2_cleanup(struct hda_pcm_stream *hinfo, | |
1005 | struct hda_codec *codec, | |
1006 | struct snd_pcm_substream *substream) | |
1007 | { | |
1008 | struct hda_gspec *spec = codec->spec; | |
1009 | ||
888afa15 TI |
1010 | snd_hda_codec_cleanup_stream(codec, hinfo->nid); |
1011 | snd_hda_codec_cleanup_stream(codec, spec->dac_node[1]->nid); | |
97ec558a TI |
1012 | return 0; |
1013 | } | |
1014 | ||
1da177e4 LT |
1015 | static int build_generic_pcms(struct hda_codec *codec) |
1016 | { | |
1017 | struct hda_gspec *spec = codec->spec; | |
1018 | struct hda_pcm *info = &spec->pcm_rec; | |
1019 | ||
97ec558a | 1020 | if (! spec->dac_node[0] && ! spec->adc_node) { |
1da177e4 LT |
1021 | snd_printd("hda_generic: no PCM found\n"); |
1022 | return 0; | |
1023 | } | |
1024 | ||
1025 | codec->num_pcms = 1; | |
1026 | codec->pcm_info = info; | |
1027 | ||
1028 | info->name = "HDA Generic"; | |
97ec558a | 1029 | if (spec->dac_node[0]) { |
1da177e4 | 1030 | info->stream[0] = generic_pcm_playback; |
97ec558a TI |
1031 | info->stream[0].nid = spec->dac_node[0]->nid; |
1032 | if (spec->dac_node[1]) { | |
1033 | info->stream[0].ops.prepare = generic_pcm2_prepare; | |
1034 | info->stream[0].ops.cleanup = generic_pcm2_cleanup; | |
1035 | } | |
1da177e4 LT |
1036 | } |
1037 | if (spec->adc_node) { | |
1038 | info->stream[1] = generic_pcm_playback; | |
1039 | info->stream[1].nid = spec->adc_node->nid; | |
1040 | } | |
1041 | ||
1042 | return 0; | |
1043 | } | |
1044 | ||
cb53c626 TI |
1045 | #ifdef CONFIG_SND_HDA_POWER_SAVE |
1046 | static int generic_check_power_status(struct hda_codec *codec, hda_nid_t nid) | |
1047 | { | |
1048 | struct hda_gspec *spec = codec->spec; | |
1049 | return snd_hda_check_amp_list_power(codec, &spec->loopback, nid); | |
1050 | } | |
1051 | #endif | |
1052 | ||
1da177e4 LT |
1053 | |
1054 | /* | |
1055 | */ | |
1056 | static struct hda_codec_ops generic_patch_ops = { | |
1057 | .build_controls = build_generic_controls, | |
1058 | .build_pcms = build_generic_pcms, | |
1059 | .free = snd_hda_generic_free, | |
cb53c626 TI |
1060 | #ifdef CONFIG_SND_HDA_POWER_SAVE |
1061 | .check_power_status = generic_check_power_status, | |
1062 | #endif | |
1da177e4 LT |
1063 | }; |
1064 | ||
1065 | /* | |
1066 | * the generic parser | |
1067 | */ | |
1068 | int snd_hda_parse_generic_codec(struct hda_codec *codec) | |
1069 | { | |
1070 | struct hda_gspec *spec; | |
1071 | int err; | |
1072 | ||
84802f0d SK |
1073 | if(!codec->afg) |
1074 | return 0; | |
673b683a | 1075 | |
e560d8d8 | 1076 | spec = kzalloc(sizeof(*spec), GFP_KERNEL); |
1da177e4 LT |
1077 | if (spec == NULL) { |
1078 | printk(KERN_ERR "hda_generic: can't allocate spec\n"); | |
1079 | return -ENOMEM; | |
1080 | } | |
1081 | codec->spec = spec; | |
1082 | INIT_LIST_HEAD(&spec->nid_list); | |
1083 | ||
1084 | if ((err = build_afg_tree(codec)) < 0) | |
1085 | goto error; | |
1086 | ||
1087 | if ((err = parse_input(codec)) < 0 || | |
1088 | (err = parse_output(codec)) < 0) | |
1089 | goto error; | |
1090 | ||
1091 | codec->patch_ops = generic_patch_ops; | |
1092 | ||
1093 | return 0; | |
1094 | ||
1095 | error: | |
1096 | snd_hda_generic_free(codec); | |
1097 | return err; | |
1098 | } |