[mirror_ubuntu-hirsute-kernel.git] / sound / soc / sof / pm.c

// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
//
// This file is provided under a dual BSD/GPLv2 license.  When using or
// redistributing this file, you may do so under either license.
//
// Copyright(c) 2018 Intel Corporation. All rights reserved.
//
// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
//

#include "ops.h"
#include "sof-priv.h"

static int sof_restore_kcontrols(struct snd_sof_dev *sdev)
{
	struct snd_sof_control *scontrol;
	int ipc_cmd, ctrl_type;
	int ret = 0;

	/* restore kcontrol values */
	list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
		/* reset readback offset for scontrol after resuming */
		scontrol->readback_offset = 0;

		/* notify DSP of kcontrol values */
		switch (scontrol->cmd) {
		case SOF_CTRL_CMD_VOLUME:
		case SOF_CTRL_CMD_ENUM:
		case SOF_CTRL_CMD_SWITCH:
			ipc_cmd = SOF_IPC_COMP_SET_VALUE;
			ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_SET;
			ret = snd_sof_ipc_set_get_comp_data(sdev->ipc, scontrol,
							    ipc_cmd, ctrl_type,
							    scontrol->cmd,
							    true);
			break;
		case SOF_CTRL_CMD_BINARY:
			ipc_cmd = SOF_IPC_COMP_SET_DATA;
			ctrl_type = SOF_CTRL_TYPE_DATA_SET;
			ret = snd_sof_ipc_set_get_comp_data(sdev->ipc, scontrol,
							    ipc_cmd, ctrl_type,
							    scontrol->cmd,
							    true);
			break;

		default:
			break;
		}

		if (ret < 0) {
			dev_err(sdev->dev,
				"error: failed kcontrol value set for widget: %d\n",
				scontrol->comp_id);

			return ret;
		}
	}

	return 0;
}

static int sof_restore_pipelines(struct snd_sof_dev *sdev)
{
	struct snd_sof_widget *swidget;
	struct snd_sof_route *sroute;
	struct sof_ipc_pipe_new *pipeline;
	struct snd_sof_dai *dai;
	struct sof_ipc_comp_dai *comp_dai;
	struct sof_ipc_cmd_hdr *hdr;
	int ret;

	/* restore pipeline components */
	list_for_each_entry_reverse(swidget, &sdev->widget_list, list) {
		struct sof_ipc_comp_reply r;

		/* skip if there is no private data */
		if (!swidget->private)
			continue;

		switch (swidget->id) {
		case snd_soc_dapm_dai_in:
		case snd_soc_dapm_dai_out:
			dai = swidget->private;
			comp_dai = &dai->comp_dai;
			ret = sof_ipc_tx_message(sdev->ipc,
						 comp_dai->comp.hdr.cmd,
						 comp_dai, sizeof(*comp_dai),
						 &r, sizeof(r));
			break;
		case snd_soc_dapm_scheduler:

			/*
			 * During suspend, all DSP cores are powered off.
			 * Therefore upon resume, create the pipeline comp
			 * and power up the core that the pipeline is
			 * scheduled on.
			 */
			pipeline = swidget->private;
			ret = sof_load_pipeline_ipc(sdev, pipeline, &r);
			break;
		default:
			hdr = swidget->private;
			ret = sof_ipc_tx_message(sdev->ipc, hdr->cmd,
						 swidget->private, hdr->size,
						 &r, sizeof(r));
			break;
		}
		if (ret < 0) {
			dev_err(sdev->dev,
				"error: failed to load widget type %d with ID: %d\n",
				swidget->widget->id, swidget->comp_id);

			return ret;
		}
	}

	/* restore pipeline connections */
	list_for_each_entry_reverse(sroute, &sdev->route_list, list) {
		struct sof_ipc_pipe_comp_connect *connect;
		struct sof_ipc_reply reply;

		/* skip if there's no private data */
		if (!sroute->private)
			continue;

		connect = sroute->private;

		/* send ipc */
		ret = sof_ipc_tx_message(sdev->ipc,
					 connect->hdr.cmd,
					 connect, sizeof(*connect),
					 &reply, sizeof(reply));
		if (ret < 0) {
			dev_err(sdev->dev,
				"error: failed to load route sink %s control %s source %s\n",
				sroute->route->sink,
				sroute->route->control ? sroute->route->control
					: "none",
				sroute->route->source);

			return ret;
		}
	}

	/* restore dai links */
	list_for_each_entry_reverse(dai, &sdev->dai_list, list) {
		struct sof_ipc_reply reply;
		struct sof_ipc_dai_config *config = dai->dai_config;

		if (!config) {
			dev_err(sdev->dev, "error: no config for DAI %s\n",
				dai->name);
			continue;
		}

		ret = sof_ipc_tx_message(sdev->ipc,
					 config->hdr.cmd, config,
					 config->hdr.size,
					 &reply, sizeof(reply));

		if (ret < 0) {
			dev_err(sdev->dev,
				"error: failed to set dai config for %s\n",
				dai->name);

			return ret;
		}
	}

	/* complete pipeline */
	list_for_each_entry(swidget, &sdev->widget_list, list) {
		switch (swidget->id) {
		case snd_soc_dapm_scheduler:
			swidget->complete =
				snd_sof_complete_pipeline(sdev, swidget);
			break;
		default:
			break;
		}
	}

	/* restore pipeline kcontrols */
	ret = sof_restore_kcontrols(sdev);
	if (ret < 0)
		dev_err(sdev->dev,
			"error: restoring kcontrols after resume\n");

	return ret;
}

static int sof_send_pm_ipc(struct snd_sof_dev *sdev, int cmd)
{
	struct sof_ipc_pm_ctx pm_ctx;
	struct sof_ipc_reply reply;

	memset(&pm_ctx, 0, sizeof(pm_ctx));

	/* configure ctx save ipc message */
	pm_ctx.hdr.size = sizeof(pm_ctx);
	pm_ctx.hdr.cmd = SOF_IPC_GLB_PM_MSG | cmd;

	/* send ctx save ipc to dsp */
	return sof_ipc_tx_message(sdev->ipc, pm_ctx.hdr.cmd, &pm_ctx,
				 sizeof(pm_ctx), &reply, sizeof(reply));
}

static void sof_set_hw_params_upon_resume(struct snd_sof_dev *sdev)
{
	struct snd_pcm_substream *substream;
	struct snd_sof_pcm *spcm;
	snd_pcm_state_t state;
	int dir;

	/*
	 * SOF requires hw_params to be set-up internally upon resume.
	 * So, set the flag to indicate this for those streams that
	 * have been suspended.
	 */
	list_for_each_entry(spcm, &sdev->pcm_list, list) {
		for (dir = 0; dir <= SNDRV_PCM_STREAM_CAPTURE; dir++) {
			substream = spcm->stream[dir].substream;
			if (!substream || !substream->runtime)
				continue;

			state = substream->runtime->status->state;
			if (state == SNDRV_PCM_STATE_SUSPENDED)
				spcm->hw_params_upon_resume[dir] = 1;
		}
	}

	/* set internal flag for BE */
	snd_sof_dsp_hw_params_upon_resume(sdev);
}

#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE)
static void sof_cache_debugfs(struct snd_sof_dev *sdev)
{
	struct snd_sof_dfsentry *dfse;

	list_for_each_entry(dfse, &sdev->dfsentry_list, list) {

		/* nothing to do if debugfs buffer is not IO mem */
		if (dfse->type == SOF_DFSENTRY_TYPE_BUF)
			continue;

		/* cache memory that is only accessible in D0 */
		if (dfse->access_type == SOF_DEBUGFS_ACCESS_D0_ONLY)
			memcpy_fromio(dfse->cache_buf, dfse->io_mem,
				      dfse->size);
	}
}
#endif

static int sof_resume(struct device *dev, bool runtime_resume)
{
	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
	int ret;

	/* do nothing if dsp resume callbacks are not set */
	if (!sof_ops(sdev)->resume || !sof_ops(sdev)->runtime_resume)
		return 0;

	/*
	 * if the runtime_resume flag is set, call the runtime_resume routine
	 * or else call the system resume routine
	 */
	if (runtime_resume)
		ret = snd_sof_dsp_runtime_resume(sdev);
	else
		ret = snd_sof_dsp_resume(sdev);
	if (ret < 0) {
		dev_err(sdev->dev,
			"error: failed to power up DSP after resume\n");
		return ret;
	}

	/* load the firmware */
	ret = snd_sof_load_firmware(sdev);
	if (ret < 0) {
		dev_err(sdev->dev,
			"error: failed to load DSP firmware after resume %d\n",
			ret);
		return ret;
	}

	/* boot the firmware */
	ret = snd_sof_run_firmware(sdev);
	if (ret < 0) {
		dev_err(sdev->dev,
			"error: failed to boot DSP firmware after resume %d\n",
			ret);
		return ret;
	}

	/* resume DMA trace, only need send ipc */
	ret = snd_sof_init_trace_ipc(sdev);
	if (ret < 0) {
		/* non fatal */
		dev_warn(sdev->dev,
			 "warning: failed to init trace after resume %d\n",
			 ret);
	}

	/* restore pipelines */
	ret = sof_restore_pipelines(sdev);
	if (ret < 0) {
		dev_err(sdev->dev,
			"error: failed to restore pipeline after resume %d\n",
			ret);
		return ret;
	}

	/* notify DSP of system resume */
	ret = sof_send_pm_ipc(sdev, SOF_IPC_PM_CTX_RESTORE);
	if (ret < 0)
		dev_err(sdev->dev,
			"error: ctx_restore ipc error during resume %d\n",
			ret);

	return ret;
}

static int sof_suspend(struct device *dev, bool runtime_suspend)
{
	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
	int ret;

	/* do nothing if dsp suspend callback is not set */
	if (!sof_ops(sdev)->suspend)
		return 0;

	/* release trace */
	snd_sof_release_trace(sdev);

	/* set restore_stream for all streams during system suspend */
	if (!runtime_suspend)
		sof_set_hw_params_upon_resume(sdev);

#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE)
	/* cache debugfs contents during runtime suspend */
	if (runtime_suspend)
		sof_cache_debugfs(sdev);
#endif
	/* notify DSP of upcoming power down */
	ret = sof_send_pm_ipc(sdev, SOF_IPC_PM_CTX_SAVE);
	if (ret < 0) {
		dev_err(sdev->dev,
			"error: ctx_save ipc error during suspend %d\n",
			ret);
		return ret;
	}

	/* power down all DSP cores */
	if (runtime_suspend)
		ret = snd_sof_dsp_runtime_suspend(sdev, 0);
	else
		ret = snd_sof_dsp_suspend(sdev, 0);
	if (ret < 0)
		dev_err(sdev->dev,
			"error: failed to power down DSP during suspend %d\n",
			ret);

	return ret;
}

int snd_sof_runtime_suspend(struct device *dev)
{
	return sof_suspend(dev, true);
}
EXPORT_SYMBOL(snd_sof_runtime_suspend);

int snd_sof_runtime_resume(struct device *dev)
{
	return sof_resume(dev, true);
}
EXPORT_SYMBOL(snd_sof_runtime_resume);

int snd_sof_resume(struct device *dev)
{
	return sof_resume(dev, false);
}
EXPORT_SYMBOL(snd_sof_resume);

int snd_sof_suspend(struct device *dev)
{
	return sof_suspend(dev, false);
}
EXPORT_SYMBOL(snd_sof_suspend);
Commit	Line	Data
8920153c LG	1	// SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
	2	//
	3	// This file is provided under a dual BSD/GPLv2 license. When using or
	4	// redistributing this file, you may do so under either license.
	5	//
	6	// Copyright(c) 2018 Intel Corporation. All rights reserved.
	7	//
	8	// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
	9	//
	10
	11	#include "ops.h"
	12	#include "sof-priv.h"
	13
	14	static int sof_restore_kcontrols(struct snd_sof_dev *sdev)
	15	{
	16	struct snd_sof_control *scontrol;
	17	int ipc_cmd, ctrl_type;
	18	int ret = 0;
	19
	20	/* restore kcontrol values */
	21	list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
	22	/* reset readback offset for scontrol after resuming */
	23	scontrol->readback_offset = 0;
	24
	25	/* notify DSP of kcontrol values */
	26	switch (scontrol->cmd) {
	27	case SOF_CTRL_CMD_VOLUME:
	28	case SOF_CTRL_CMD_ENUM:
	29	case SOF_CTRL_CMD_SWITCH:
	30	ipc_cmd = SOF_IPC_COMP_SET_VALUE;
	31	ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_SET;
	32	ret = snd_sof_ipc_set_get_comp_data(sdev->ipc, scontrol,
	33	ipc_cmd, ctrl_type,
	34	scontrol->cmd,
	35	true);
	36	break;
	37	case SOF_CTRL_CMD_BINARY:
	38	ipc_cmd = SOF_IPC_COMP_SET_DATA;
	39	ctrl_type = SOF_CTRL_TYPE_DATA_SET;
	40	ret = snd_sof_ipc_set_get_comp_data(sdev->ipc, scontrol,
	41	ipc_cmd, ctrl_type,
	42	scontrol->cmd,
	43	true);
	44	break;
	45
	46	default:
	47	break;
	48	}
	49
	50	if (ret < 0) {
	51	dev_err(sdev->dev,
	52	"error: failed kcontrol value set for widget: %d\n",
	53	scontrol->comp_id);
	54
	55	return ret;
	56	}
	57	}
	58
	59	return 0;
	60	}
	61
	62	static int sof_restore_pipelines(struct snd_sof_dev *sdev)
	63	{
	64	struct snd_sof_widget *swidget;
65	struct snd_sof_route *sroute;
66	struct sof_ipc_pipe_new *pipeline;
67	struct snd_sof_dai *dai;
68	struct sof_ipc_comp_dai *comp_dai;
69	struct sof_ipc_cmd_hdr *hdr;
70	int ret;
71
72	/* restore pipeline components */
73	list_for_each_entry_reverse(swidget, &sdev->widget_list, list) {
74	struct sof_ipc_comp_reply r;
75
76	/* skip if there is no private data */
77	if (!swidget->private)
78	continue;
79
80	switch (swidget->id) {
81	case snd_soc_dapm_dai_in:
82	case snd_soc_dapm_dai_out:
83	dai = swidget->private;
84	comp_dai = &dai->comp_dai;
85	ret = sof_ipc_tx_message(sdev->ipc,
86	comp_dai->comp.hdr.cmd,
87	comp_dai, sizeof(*comp_dai),
88	&r, sizeof(r));
89	break;
90	case snd_soc_dapm_scheduler:
91
92	/*
93	* During suspend, all DSP cores are powered off.
94	* Therefore upon resume, create the pipeline comp
95	* and power up the core that the pipeline is
96	* scheduled on.
97	*/
98	pipeline = swidget->private;
99	ret = sof_load_pipeline_ipc(sdev, pipeline, &r);
100	break;
101	default:
102	hdr = swidget->private;
103	ret = sof_ipc_tx_message(sdev->ipc, hdr->cmd,
104	swidget->private, hdr->size,
105	&r, sizeof(r));
106	break;
107	}
108	if (ret < 0) {
109	dev_err(sdev->dev,
110	"error: failed to load widget type %d with ID: %d\n",
111	swidget->widget->id, swidget->comp_id);
112
113	return ret;
114	}
115	}
116
117	/* restore pipeline connections */
118	list_for_each_entry_reverse(sroute, &sdev->route_list, list) {
119	struct sof_ipc_pipe_comp_connect *connect;
120	struct sof_ipc_reply reply;
121
122	/* skip if there's no private data */
123	if (!sroute->private)
124	continue;
125
126	connect = sroute->private;
127
128	/* send ipc */
129	ret = sof_ipc_tx_message(sdev->ipc,
130	connect->hdr.cmd,
131	connect, sizeof(*connect),
132	&reply, sizeof(reply));
133	if (ret < 0) {
134	dev_err(sdev->dev,
135	"error: failed to load route sink %s control %s source %s\n",
136	sroute->route->sink,
137	sroute->route->control ? sroute->route->control
138	: "none",
139	sroute->route->source);
140
141	return ret;
142	}
143	}
144
145	/* restore dai links */
146	list_for_each_entry_reverse(dai, &sdev->dai_list, list) {
147	struct sof_ipc_reply reply;
148	struct sof_ipc_dai_config *config = dai->dai_config;
149
150	if (!config) {
151	dev_err(sdev->dev, "error: no config for DAI %s\n",
152	dai->name);
153	continue;
154	}
155
156	ret = sof_ipc_tx_message(sdev->ipc,
157	config->hdr.cmd, config,
158	config->hdr.size,
159	&reply, sizeof(reply));
160
161	if (ret < 0) {
162	dev_err(sdev->dev,
163	"error: failed to set dai config for %s\n",
164	dai->name);
165
166	return ret;
167	}
168	}
169
170	/* complete pipeline */
171	list_for_each_entry(swidget, &sdev->widget_list, list) {
172	switch (swidget->id) {
173	case snd_soc_dapm_scheduler:
174	swidget->complete =
175	snd_sof_complete_pipeline(sdev, swidget);
176	break;
177	default:
178	break;
179	}
180	}
181
182	/* restore pipeline kcontrols */
183	ret = sof_restore_kcontrols(sdev);
184	if (ret < 0)
185	dev_err(sdev->dev,
186	"error: restoring kcontrols after resume\n");
187
188	return ret;
189	}
190
191	static int sof_send_pm_ipc(struct snd_sof_dev *sdev, int cmd)
192	{
193	struct sof_ipc_pm_ctx pm_ctx;
194	struct sof_ipc_reply reply;
195
196	memset(&pm_ctx, 0, sizeof(pm_ctx));
197
198	/* configure ctx save ipc message */
199	pm_ctx.hdr.size = sizeof(pm_ctx);
200	pm_ctx.hdr.cmd = SOF_IPC_GLB_PM_MSG \| cmd;
201
202	/* send ctx save ipc to dsp */
203	return sof_ipc_tx_message(sdev->ipc, pm_ctx.hdr.cmd, &pm_ctx,
204	sizeof(pm_ctx), &reply, sizeof(reply));
205	}
206
207	static void sof_set_hw_params_upon_resume(struct snd_sof_dev *sdev)
208	{
209	struct snd_pcm_substream *substream;
210	struct snd_sof_pcm *spcm;
211	snd_pcm_state_t state;
212	int dir;
213
214	/*
215	* SOF requires hw_params to be set-up internally upon resume.
216	* So, set the flag to indicate this for those streams that
217	* have been suspended.
218	*/
219	list_for_each_entry(spcm, &sdev->pcm_list, list) {
220	for (dir = 0; dir <= SNDRV_PCM_STREAM_CAPTURE; dir++) {
221	substream = spcm->stream[dir].substream;
222	if (!substream \|\| !substream->runtime)
223	continue;
224
225	state = substream->runtime->status->state;
226	if (state == SNDRV_PCM_STATE_SUSPENDED)
227	spcm->hw_params_upon_resume[dir] = 1;
228	}
229	}
ed3baacd RS	230
	231	/* set internal flag for BE */
	232	snd_sof_dsp_hw_params_upon_resume(sdev);
8920153c LG	233	}
	234
	235	#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE)
	236	static void sof_cache_debugfs(struct snd_sof_dev *sdev)
	237	{
	238	struct snd_sof_dfsentry *dfse;
	239
	240	list_for_each_entry(dfse, &sdev->dfsentry_list, list) {
	241
	242	/* nothing to do if debugfs buffer is not IO mem */
	243	if (dfse->type == SOF_DFSENTRY_TYPE_BUF)
	244	continue;
	245
	246	/* cache memory that is only accessible in D0 */
	247	if (dfse->access_type == SOF_DEBUGFS_ACCESS_D0_ONLY)
	248	memcpy_fromio(dfse->cache_buf, dfse->io_mem,
	249	dfse->size);
	250	}
	251	}
	252	#endif
	253
	254	static int sof_resume(struct device *dev, bool runtime_resume)
	255	{
	256	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
	257	int ret;
	258
	259	/* do nothing if dsp resume callbacks are not set */
	260	if (!sof_ops(sdev)->resume \|\| !sof_ops(sdev)->runtime_resume)
	261	return 0;
	262
	263	/*
	264	* if the runtime_resume flag is set, call the runtime_resume routine
	265	* or else call the system resume routine
	266	*/
	267	if (runtime_resume)
	268	ret = snd_sof_dsp_runtime_resume(sdev);
	269	else
	270	ret = snd_sof_dsp_resume(sdev);
	271	if (ret < 0) {
	272	dev_err(sdev->dev,
	273	"error: failed to power up DSP after resume\n");
	274	return ret;
	275	}
	276
	277	/* load the firmware */
	278	ret = snd_sof_load_firmware(sdev);
	279	if (ret < 0) {
	280	dev_err(sdev->dev,
	281	"error: failed to load DSP firmware after resume %d\n",
	282	ret);
	283	return ret;
	284	}
	285
	286	/* boot the firmware */
	287	ret = snd_sof_run_firmware(sdev);
	288	if (ret < 0) {
	289	dev_err(sdev->dev,
	290	"error: failed to boot DSP firmware after resume %d\n",
	291	ret);
	292	return ret;
	293	}
	294
	295	/* resume DMA trace, only need send ipc */
	296	ret = snd_sof_init_trace_ipc(sdev);
297	if (ret < 0) {
298	/* non fatal */
299	dev_warn(sdev->dev,
300	"warning: failed to init trace after resume %d\n",
301	ret);
302	}
303
304	/* restore pipelines */
305	ret = sof_restore_pipelines(sdev);
306	if (ret < 0) {
307	dev_err(sdev->dev,
308	"error: failed to restore pipeline after resume %d\n",
309	ret);
310	return ret;
311	}
312
313	/* notify DSP of system resume */
314	ret = sof_send_pm_ipc(sdev, SOF_IPC_PM_CTX_RESTORE);
315	if (ret < 0)
316	dev_err(sdev->dev,
317	"error: ctx_restore ipc error during resume %d\n",
318	ret);
319
320	return ret;
321	}
322
323	static int sof_suspend(struct device *dev, bool runtime_suspend)
324	{
325	struct snd_sof_dev *sdev = dev_get_drvdata(dev);
326	int ret;
327
328	/* do nothing if dsp suspend callback is not set */
329	if (!sof_ops(sdev)->suspend)
330	return 0;
331
332	/* release trace */
333	snd_sof_release_trace(sdev);
334
335	/* set restore_stream for all streams during system suspend */
336	if (!runtime_suspend)
337	sof_set_hw_params_upon_resume(sdev);
338
339	#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_ENABLE_DEBUGFS_CACHE)
340	/* cache debugfs contents during runtime suspend */
341	if (runtime_suspend)
342	sof_cache_debugfs(sdev);
343	#endif
344	/* notify DSP of upcoming power down */
345	ret = sof_send_pm_ipc(sdev, SOF_IPC_PM_CTX_SAVE);
346	if (ret < 0) {
347	dev_err(sdev->dev,
348	"error: ctx_save ipc error during suspend %d\n",
349	ret);
350	return ret;
351	}
352
353	/* power down all DSP cores */
354	if (runtime_suspend)
355	ret = snd_sof_dsp_runtime_suspend(sdev, 0);
356	else
357	ret = snd_sof_dsp_suspend(sdev, 0);
358	if (ret < 0)
359	dev_err(sdev->dev,
360	"error: failed to power down DSP during suspend %d\n",
361	ret);
362
363	return ret;
364	}
365
366	int snd_sof_runtime_suspend(struct device *dev)
367	{
368	return sof_suspend(dev, true);
369	}
370	EXPORT_SYMBOL(snd_sof_runtime_suspend);
371
372	int snd_sof_runtime_resume(struct device *dev)
373	{
374	return sof_resume(dev, true);
375	}
376	EXPORT_SYMBOL(snd_sof_runtime_resume);
377
378	int snd_sof_resume(struct device *dev)
379	{
380	return sof_resume(dev, false);
381	}
382	EXPORT_SYMBOL(snd_sof_resume);
383
384	int snd_sof_suspend(struct device *dev)
385	{
386	return sof_suspend(dev, false);
387	}
388	EXPORT_SYMBOL(snd_sof_suspend);