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7377226c PZ |
1 | /* |
2 | * SoC audio for HTC Magician | |
3 | * | |
4 | * Copyright (c) 2006 Philipp Zabel <philipp.zabel@gmail.com> | |
5 | * | |
6 | * based on spitz.c, | |
7 | * Authors: Liam Girdwood <lrg@slimlogic.co.uk> | |
8 | * Richard Purdie <richard@openedhand.com> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify it | |
11 | * under the terms of the GNU General Public License as published by the | |
12 | * Free Software Foundation; either version 2 of the License, or (at your | |
13 | * option) any later version. | |
14 | * | |
15 | */ | |
16 | ||
17 | #include <linux/module.h> | |
18 | #include <linux/timer.h> | |
19 | #include <linux/interrupt.h> | |
20 | #include <linux/platform_device.h> | |
21 | #include <linux/delay.h> | |
22 | #include <linux/gpio.h> | |
1abd9184 | 23 | #include <linux/i2c.h> |
7377226c PZ |
24 | |
25 | #include <sound/core.h> | |
26 | #include <sound/pcm.h> | |
27 | #include <sound/pcm_params.h> | |
28 | #include <sound/soc.h> | |
29 | #include <sound/soc-dapm.h> | |
1abd9184 | 30 | #include <sound/uda1380.h> |
7377226c | 31 | |
7377226c PZ |
32 | #include <mach/magician.h> |
33 | #include <asm/mach-types.h> | |
34 | #include "../codecs/uda1380.h" | |
35 | #include "pxa2xx-pcm.h" | |
36 | #include "pxa2xx-i2s.h" | |
37 | #include "pxa-ssp.h" | |
38 | ||
39 | #define MAGICIAN_MIC 0 | |
40 | #define MAGICIAN_MIC_EXT 1 | |
41 | ||
42 | static int magician_hp_switch; | |
43 | static int magician_spk_switch = 1; | |
44 | static int magician_in_sel = MAGICIAN_MIC; | |
45 | ||
46 | static void magician_ext_control(struct snd_soc_codec *codec) | |
47 | { | |
48 | if (magician_spk_switch) | |
49 | snd_soc_dapm_enable_pin(codec, "Speaker"); | |
50 | else | |
51 | snd_soc_dapm_disable_pin(codec, "Speaker"); | |
52 | if (magician_hp_switch) | |
53 | snd_soc_dapm_enable_pin(codec, "Headphone Jack"); | |
54 | else | |
55 | snd_soc_dapm_disable_pin(codec, "Headphone Jack"); | |
56 | ||
57 | switch (magician_in_sel) { | |
58 | case MAGICIAN_MIC: | |
59 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
60 | snd_soc_dapm_enable_pin(codec, "Call Mic"); | |
61 | break; | |
62 | case MAGICIAN_MIC_EXT: | |
63 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
64 | snd_soc_dapm_enable_pin(codec, "Headset Mic"); | |
65 | break; | |
66 | } | |
67 | ||
68 | snd_soc_dapm_sync(codec); | |
69 | } | |
70 | ||
71 | static int magician_startup(struct snd_pcm_substream *substream) | |
72 | { | |
73 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
74 | struct snd_soc_codec *codec = rtd->socdev->card->codec; | |
75 | ||
76 | /* check the jack status at stream startup */ | |
77 | magician_ext_control(codec); | |
78 | ||
79 | return 0; | |
80 | } | |
81 | ||
82 | /* | |
83 | * Magician uses SSP port for playback. | |
84 | */ | |
85 | static int magician_playback_hw_params(struct snd_pcm_substream *substream, | |
86 | struct snd_pcm_hw_params *params) | |
87 | { | |
88 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
89 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; | |
90 | struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; | |
91 | unsigned int acps, acds, width, rate; | |
92 | unsigned int div4 = PXA_SSP_CLK_SCDB_4; | |
93 | int ret = 0; | |
94 | ||
95 | rate = params_rate(params); | |
96 | width = snd_pcm_format_physical_width(params_format(params)); | |
97 | ||
98 | /* | |
99 | * rate = SSPSCLK / (2 * width(16 or 32)) | |
100 | * SSPSCLK = (ACPS / ACDS) / SSPSCLKDIV(div4 or div1) | |
101 | */ | |
102 | switch (params_rate(params)) { | |
103 | case 8000: | |
104 | /* off by a factor of 2: bug in the PXA27x audio clock? */ | |
105 | acps = 32842000; | |
106 | switch (width) { | |
107 | case 16: | |
108 | /* 513156 Hz ~= _2_ * 8000 Hz * 32 (+0.23%) */ | |
109 | acds = PXA_SSP_CLK_AUDIO_DIV_16; | |
110 | break; | |
2bf2778e | 111 | default: /* 32 */ |
7377226c PZ |
112 | /* 1026312 Hz ~= _2_ * 8000 Hz * 64 (+0.23%) */ |
113 | acds = PXA_SSP_CLK_AUDIO_DIV_8; | |
114 | } | |
115 | break; | |
116 | case 11025: | |
117 | acps = 5622000; | |
118 | switch (width) { | |
119 | case 16: | |
120 | /* 351375 Hz ~= 11025 Hz * 32 (-0.41%) */ | |
121 | acds = PXA_SSP_CLK_AUDIO_DIV_4; | |
122 | break; | |
2bf2778e | 123 | default: /* 32 */ |
7377226c PZ |
124 | /* 702750 Hz ~= 11025 Hz * 64 (-0.41%) */ |
125 | acds = PXA_SSP_CLK_AUDIO_DIV_2; | |
126 | } | |
127 | break; | |
128 | case 22050: | |
129 | acps = 5622000; | |
130 | switch (width) { | |
131 | case 16: | |
132 | /* 702750 Hz ~= 22050 Hz * 32 (-0.41%) */ | |
133 | acds = PXA_SSP_CLK_AUDIO_DIV_2; | |
134 | break; | |
2bf2778e | 135 | default: /* 32 */ |
7377226c PZ |
136 | /* 1405500 Hz ~= 22050 Hz * 64 (-0.41%) */ |
137 | acds = PXA_SSP_CLK_AUDIO_DIV_1; | |
138 | } | |
139 | break; | |
140 | case 44100: | |
141 | acps = 5622000; | |
142 | switch (width) { | |
143 | case 16: | |
144 | /* 1405500 Hz ~= 44100 Hz * 32 (-0.41%) */ | |
145 | acds = PXA_SSP_CLK_AUDIO_DIV_2; | |
146 | break; | |
2bf2778e | 147 | default: /* 32 */ |
7377226c PZ |
148 | /* 2811000 Hz ~= 44100 Hz * 64 (-0.41%) */ |
149 | acds = PXA_SSP_CLK_AUDIO_DIV_1; | |
150 | } | |
151 | break; | |
152 | case 48000: | |
153 | acps = 12235000; | |
154 | switch (width) { | |
155 | case 16: | |
156 | /* 1529375 Hz ~= 48000 Hz * 32 (-0.44%) */ | |
157 | acds = PXA_SSP_CLK_AUDIO_DIV_2; | |
158 | break; | |
2bf2778e | 159 | default: /* 32 */ |
7377226c PZ |
160 | /* 3058750 Hz ~= 48000 Hz * 64 (-0.44%) */ |
161 | acds = PXA_SSP_CLK_AUDIO_DIV_1; | |
162 | } | |
163 | break; | |
164 | case 96000: | |
2bf2778e | 165 | default: |
7377226c PZ |
166 | acps = 12235000; |
167 | switch (width) { | |
168 | case 16: | |
169 | /* 3058750 Hz ~= 96000 Hz * 32 (-0.44%) */ | |
170 | acds = PXA_SSP_CLK_AUDIO_DIV_1; | |
171 | break; | |
2bf2778e | 172 | default: /* 32 */ |
7377226c PZ |
173 | /* 6117500 Hz ~= 96000 Hz * 64 (-0.44%) */ |
174 | acds = PXA_SSP_CLK_AUDIO_DIV_2; | |
175 | div4 = PXA_SSP_CLK_SCDB_1; | |
176 | break; | |
177 | } | |
178 | break; | |
179 | } | |
180 | ||
181 | /* set codec DAI configuration */ | |
182 | ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_MSB | | |
183 | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); | |
184 | if (ret < 0) | |
185 | return ret; | |
186 | ||
187 | /* set cpu DAI configuration */ | |
188 | ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_DSP_A | | |
33745fb3 | 189 | SND_SOC_DAIFMT_NB_IF | SND_SOC_DAIFMT_CBS_CFS); |
7377226c PZ |
190 | if (ret < 0) |
191 | return ret; | |
192 | ||
193 | ret = snd_soc_dai_set_tdm_slot(cpu_dai, 1, 1); | |
194 | if (ret < 0) | |
195 | return ret; | |
196 | ||
197 | /* set audio clock as clock source */ | |
198 | ret = snd_soc_dai_set_sysclk(cpu_dai, PXA_SSP_CLK_AUDIO, 0, | |
199 | SND_SOC_CLOCK_OUT); | |
200 | if (ret < 0) | |
201 | return ret; | |
202 | ||
203 | /* set the SSP audio system clock ACDS divider */ | |
204 | ret = snd_soc_dai_set_clkdiv(cpu_dai, | |
205 | PXA_SSP_AUDIO_DIV_ACDS, acds); | |
206 | if (ret < 0) | |
207 | return ret; | |
208 | ||
209 | /* set the SSP audio system clock SCDB divider4 */ | |
210 | ret = snd_soc_dai_set_clkdiv(cpu_dai, | |
211 | PXA_SSP_AUDIO_DIV_SCDB, div4); | |
212 | if (ret < 0) | |
213 | return ret; | |
214 | ||
215 | /* set SSP audio pll clock */ | |
216 | ret = snd_soc_dai_set_pll(cpu_dai, 0, 0, acps); | |
217 | if (ret < 0) | |
218 | return ret; | |
219 | ||
220 | return 0; | |
221 | } | |
222 | ||
223 | /* | |
224 | * Magician uses I2S for capture. | |
225 | */ | |
226 | static int magician_capture_hw_params(struct snd_pcm_substream *substream, | |
227 | struct snd_pcm_hw_params *params) | |
228 | { | |
229 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
230 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; | |
231 | struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; | |
232 | int ret = 0; | |
233 | ||
234 | /* set codec DAI configuration */ | |
235 | ret = snd_soc_dai_set_fmt(codec_dai, | |
236 | SND_SOC_DAIFMT_MSB | SND_SOC_DAIFMT_NB_NF | | |
237 | SND_SOC_DAIFMT_CBS_CFS); | |
238 | if (ret < 0) | |
239 | return ret; | |
240 | ||
241 | /* set cpu DAI configuration */ | |
242 | ret = snd_soc_dai_set_fmt(cpu_dai, | |
243 | SND_SOC_DAIFMT_MSB | SND_SOC_DAIFMT_NB_NF | | |
244 | SND_SOC_DAIFMT_CBS_CFS); | |
245 | if (ret < 0) | |
246 | return ret; | |
247 | ||
248 | /* set the I2S system clock as output */ | |
249 | ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0, | |
250 | SND_SOC_CLOCK_OUT); | |
251 | if (ret < 0) | |
252 | return ret; | |
253 | ||
254 | return 0; | |
255 | } | |
256 | ||
257 | static struct snd_soc_ops magician_capture_ops = { | |
258 | .startup = magician_startup, | |
259 | .hw_params = magician_capture_hw_params, | |
260 | }; | |
261 | ||
262 | static struct snd_soc_ops magician_playback_ops = { | |
263 | .startup = magician_startup, | |
264 | .hw_params = magician_playback_hw_params, | |
265 | }; | |
266 | ||
267 | static int magician_get_hp(struct snd_kcontrol *kcontrol, | |
268 | struct snd_ctl_elem_value *ucontrol) | |
269 | { | |
270 | ucontrol->value.integer.value[0] = magician_hp_switch; | |
271 | return 0; | |
272 | } | |
273 | ||
274 | static int magician_set_hp(struct snd_kcontrol *kcontrol, | |
275 | struct snd_ctl_elem_value *ucontrol) | |
276 | { | |
277 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
278 | ||
279 | if (magician_hp_switch == ucontrol->value.integer.value[0]) | |
280 | return 0; | |
281 | ||
282 | magician_hp_switch = ucontrol->value.integer.value[0]; | |
283 | magician_ext_control(codec); | |
284 | return 1; | |
285 | } | |
286 | ||
287 | static int magician_get_spk(struct snd_kcontrol *kcontrol, | |
288 | struct snd_ctl_elem_value *ucontrol) | |
289 | { | |
290 | ucontrol->value.integer.value[0] = magician_spk_switch; | |
291 | return 0; | |
292 | } | |
293 | ||
294 | static int magician_set_spk(struct snd_kcontrol *kcontrol, | |
295 | struct snd_ctl_elem_value *ucontrol) | |
296 | { | |
297 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
298 | ||
299 | if (magician_spk_switch == ucontrol->value.integer.value[0]) | |
300 | return 0; | |
301 | ||
302 | magician_spk_switch = ucontrol->value.integer.value[0]; | |
303 | magician_ext_control(codec); | |
304 | return 1; | |
305 | } | |
306 | ||
307 | static int magician_get_input(struct snd_kcontrol *kcontrol, | |
308 | struct snd_ctl_elem_value *ucontrol) | |
309 | { | |
310 | ucontrol->value.integer.value[0] = magician_in_sel; | |
311 | return 0; | |
312 | } | |
313 | ||
314 | static int magician_set_input(struct snd_kcontrol *kcontrol, | |
315 | struct snd_ctl_elem_value *ucontrol) | |
316 | { | |
317 | if (magician_in_sel == ucontrol->value.integer.value[0]) | |
318 | return 0; | |
319 | ||
320 | magician_in_sel = ucontrol->value.integer.value[0]; | |
321 | ||
322 | switch (magician_in_sel) { | |
323 | case MAGICIAN_MIC: | |
324 | gpio_set_value(EGPIO_MAGICIAN_IN_SEL1, 1); | |
325 | break; | |
326 | case MAGICIAN_MIC_EXT: | |
327 | gpio_set_value(EGPIO_MAGICIAN_IN_SEL1, 0); | |
328 | } | |
329 | ||
330 | return 1; | |
331 | } | |
332 | ||
333 | static int magician_spk_power(struct snd_soc_dapm_widget *w, | |
334 | struct snd_kcontrol *k, int event) | |
335 | { | |
336 | gpio_set_value(EGPIO_MAGICIAN_SPK_POWER, SND_SOC_DAPM_EVENT_ON(event)); | |
337 | return 0; | |
338 | } | |
339 | ||
340 | static int magician_hp_power(struct snd_soc_dapm_widget *w, | |
341 | struct snd_kcontrol *k, int event) | |
342 | { | |
343 | gpio_set_value(EGPIO_MAGICIAN_EP_POWER, SND_SOC_DAPM_EVENT_ON(event)); | |
344 | return 0; | |
345 | } | |
346 | ||
347 | static int magician_mic_bias(struct snd_soc_dapm_widget *w, | |
348 | struct snd_kcontrol *k, int event) | |
349 | { | |
350 | gpio_set_value(EGPIO_MAGICIAN_MIC_POWER, SND_SOC_DAPM_EVENT_ON(event)); | |
351 | return 0; | |
352 | } | |
353 | ||
354 | /* magician machine dapm widgets */ | |
355 | static const struct snd_soc_dapm_widget uda1380_dapm_widgets[] = { | |
356 | SND_SOC_DAPM_HP("Headphone Jack", magician_hp_power), | |
357 | SND_SOC_DAPM_SPK("Speaker", magician_spk_power), | |
358 | SND_SOC_DAPM_MIC("Call Mic", magician_mic_bias), | |
359 | SND_SOC_DAPM_MIC("Headset Mic", magician_mic_bias), | |
360 | }; | |
361 | ||
362 | /* magician machine audio_map */ | |
363 | static const struct snd_soc_dapm_route audio_map[] = { | |
364 | ||
365 | /* Headphone connected to VOUTL, VOUTR */ | |
366 | {"Headphone Jack", NULL, "VOUTL"}, | |
367 | {"Headphone Jack", NULL, "VOUTR"}, | |
368 | ||
369 | /* Speaker connected to VOUTL, VOUTR */ | |
370 | {"Speaker", NULL, "VOUTL"}, | |
371 | {"Speaker", NULL, "VOUTR"}, | |
372 | ||
373 | /* Mics are connected to VINM */ | |
374 | {"VINM", NULL, "Headset Mic"}, | |
375 | {"VINM", NULL, "Call Mic"}, | |
376 | }; | |
377 | ||
378 | static const char *input_select[] = {"Call Mic", "Headset Mic"}; | |
379 | static const struct soc_enum magician_in_sel_enum = | |
380 | SOC_ENUM_SINGLE_EXT(2, input_select); | |
381 | ||
382 | static const struct snd_kcontrol_new uda1380_magician_controls[] = { | |
383 | SOC_SINGLE_BOOL_EXT("Headphone Switch", | |
384 | (unsigned long)&magician_hp_switch, | |
385 | magician_get_hp, magician_set_hp), | |
386 | SOC_SINGLE_BOOL_EXT("Speaker Switch", | |
387 | (unsigned long)&magician_spk_switch, | |
388 | magician_get_spk, magician_set_spk), | |
389 | SOC_ENUM_EXT("Input Select", magician_in_sel_enum, | |
390 | magician_get_input, magician_set_input), | |
391 | }; | |
392 | ||
393 | /* | |
394 | * Logic for a uda1380 as connected on a HTC Magician | |
395 | */ | |
396 | static int magician_uda1380_init(struct snd_soc_codec *codec) | |
397 | { | |
398 | int err; | |
399 | ||
400 | /* NC codec pins */ | |
401 | snd_soc_dapm_nc_pin(codec, "VOUTLHP"); | |
402 | snd_soc_dapm_nc_pin(codec, "VOUTRHP"); | |
403 | ||
404 | /* FIXME: is anything connected here? */ | |
405 | snd_soc_dapm_nc_pin(codec, "VINL"); | |
406 | snd_soc_dapm_nc_pin(codec, "VINR"); | |
407 | ||
408 | /* Add magician specific controls */ | |
409 | err = snd_soc_add_controls(codec, uda1380_magician_controls, | |
410 | ARRAY_SIZE(uda1380_magician_controls)); | |
411 | if (err < 0) | |
412 | return err; | |
413 | ||
414 | /* Add magician specific widgets */ | |
415 | snd_soc_dapm_new_controls(codec, uda1380_dapm_widgets, | |
416 | ARRAY_SIZE(uda1380_dapm_widgets)); | |
417 | ||
418 | /* Set up magician specific audio path interconnects */ | |
419 | snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); | |
420 | ||
421 | snd_soc_dapm_sync(codec); | |
422 | return 0; | |
423 | } | |
424 | ||
425 | /* magician digital audio interface glue - connects codec <--> CPU */ | |
426 | static struct snd_soc_dai_link magician_dai[] = { | |
427 | { | |
428 | .name = "uda1380", | |
429 | .stream_name = "UDA1380 Playback", | |
430 | .cpu_dai = &pxa_ssp_dai[PXA_DAI_SSP1], | |
431 | .codec_dai = &uda1380_dai[UDA1380_DAI_PLAYBACK], | |
432 | .init = magician_uda1380_init, | |
433 | .ops = &magician_playback_ops, | |
434 | }, | |
435 | { | |
436 | .name = "uda1380", | |
437 | .stream_name = "UDA1380 Capture", | |
438 | .cpu_dai = &pxa_i2s_dai, | |
439 | .codec_dai = &uda1380_dai[UDA1380_DAI_CAPTURE], | |
440 | .ops = &magician_capture_ops, | |
441 | } | |
442 | }; | |
443 | ||
444 | /* magician audio machine driver */ | |
445 | static struct snd_soc_card snd_soc_card_magician = { | |
446 | .name = "Magician", | |
447 | .dai_link = magician_dai, | |
448 | .num_links = ARRAY_SIZE(magician_dai), | |
449 | .platform = &pxa2xx_soc_platform, | |
450 | }; | |
451 | ||
7377226c PZ |
452 | /* magician audio subsystem */ |
453 | static struct snd_soc_device magician_snd_devdata = { | |
454 | .card = &snd_soc_card_magician, | |
455 | .codec_dev = &soc_codec_dev_uda1380, | |
7377226c PZ |
456 | }; |
457 | ||
458 | static struct platform_device *magician_snd_device; | |
459 | ||
1abd9184 PZ |
460 | /* |
461 | * FIXME: move into magician board file once merged into the pxa tree | |
462 | */ | |
463 | static struct uda1380_platform_data uda1380_info = { | |
464 | .gpio_power = EGPIO_MAGICIAN_CODEC_POWER, | |
465 | .gpio_reset = EGPIO_MAGICIAN_CODEC_RESET, | |
466 | .dac_clk = UDA1380_DAC_CLK_WSPLL, | |
467 | }; | |
468 | ||
469 | static struct i2c_board_info i2c_board_info[] = { | |
470 | { | |
471 | I2C_BOARD_INFO("uda1380", 0x18), | |
472 | .platform_data = &uda1380_info, | |
473 | }, | |
474 | }; | |
475 | ||
7377226c PZ |
476 | static int __init magician_init(void) |
477 | { | |
478 | int ret; | |
1abd9184 PZ |
479 | struct i2c_adapter *adapter; |
480 | struct i2c_client *client; | |
7377226c PZ |
481 | |
482 | if (!machine_is_magician()) | |
483 | return -ENODEV; | |
484 | ||
1abd9184 PZ |
485 | adapter = i2c_get_adapter(0); |
486 | if (!adapter) | |
487 | return -ENODEV; | |
488 | client = i2c_new_device(adapter, i2c_board_info); | |
489 | i2c_put_adapter(adapter); | |
490 | if (!client) | |
491 | return -ENODEV; | |
492 | ||
7377226c PZ |
493 | ret = gpio_request(EGPIO_MAGICIAN_SPK_POWER, "SPK_POWER"); |
494 | if (ret) | |
495 | goto err_request_spk; | |
496 | ret = gpio_request(EGPIO_MAGICIAN_EP_POWER, "EP_POWER"); | |
497 | if (ret) | |
498 | goto err_request_ep; | |
499 | ret = gpio_request(EGPIO_MAGICIAN_MIC_POWER, "MIC_POWER"); | |
500 | if (ret) | |
501 | goto err_request_mic; | |
502 | ret = gpio_request(EGPIO_MAGICIAN_IN_SEL0, "IN_SEL0"); | |
503 | if (ret) | |
504 | goto err_request_in_sel0; | |
505 | ret = gpio_request(EGPIO_MAGICIAN_IN_SEL1, "IN_SEL1"); | |
506 | if (ret) | |
507 | goto err_request_in_sel1; | |
508 | ||
7377226c PZ |
509 | gpio_set_value(EGPIO_MAGICIAN_IN_SEL0, 0); |
510 | ||
7377226c PZ |
511 | magician_snd_device = platform_device_alloc("soc-audio", -1); |
512 | if (!magician_snd_device) { | |
513 | ret = -ENOMEM; | |
514 | goto err_pdev; | |
515 | } | |
516 | ||
517 | platform_set_drvdata(magician_snd_device, &magician_snd_devdata); | |
518 | magician_snd_devdata.dev = &magician_snd_device->dev; | |
519 | ret = platform_device_add(magician_snd_device); | |
520 | if (ret) { | |
521 | platform_device_put(magician_snd_device); | |
522 | goto err_pdev; | |
523 | } | |
524 | ||
525 | return 0; | |
526 | ||
527 | err_pdev: | |
528 | gpio_free(EGPIO_MAGICIAN_IN_SEL1); | |
529 | err_request_in_sel1: | |
530 | gpio_free(EGPIO_MAGICIAN_IN_SEL0); | |
531 | err_request_in_sel0: | |
532 | gpio_free(EGPIO_MAGICIAN_MIC_POWER); | |
533 | err_request_mic: | |
534 | gpio_free(EGPIO_MAGICIAN_EP_POWER); | |
535 | err_request_ep: | |
536 | gpio_free(EGPIO_MAGICIAN_SPK_POWER); | |
537 | err_request_spk: | |
7377226c PZ |
538 | return ret; |
539 | } | |
540 | ||
541 | static void __exit magician_exit(void) | |
542 | { | |
543 | platform_device_unregister(magician_snd_device); | |
544 | ||
545 | gpio_set_value(EGPIO_MAGICIAN_SPK_POWER, 0); | |
546 | gpio_set_value(EGPIO_MAGICIAN_EP_POWER, 0); | |
547 | gpio_set_value(EGPIO_MAGICIAN_MIC_POWER, 0); | |
7377226c PZ |
548 | |
549 | gpio_free(EGPIO_MAGICIAN_IN_SEL1); | |
550 | gpio_free(EGPIO_MAGICIAN_IN_SEL0); | |
551 | gpio_free(EGPIO_MAGICIAN_MIC_POWER); | |
552 | gpio_free(EGPIO_MAGICIAN_EP_POWER); | |
553 | gpio_free(EGPIO_MAGICIAN_SPK_POWER); | |
7377226c PZ |
554 | } |
555 | ||
556 | module_init(magician_init); | |
557 | module_exit(magician_exit); | |
558 | ||
559 | MODULE_AUTHOR("Philipp Zabel"); | |
560 | MODULE_DESCRIPTION("ALSA SoC Magician"); | |
561 | MODULE_LICENSE("GPL"); |