ASoC: soc-dai: Add sysclk source to snd_soc_dai_set_sysclk()

The snd_soc_dai_set_sysclk() does not take any argument for system clock
(sysclk) source. It has "clk_id" argument which some drivers use for
describing sysclk source and others use it to identify a specific clock.
Hence there seems to be an inconsistency in the way "clk_id" is used.
Few such examples below:
  - sound/soc/atmel/sam9g20_wm8731.c      (clk_id used as sysclk source)
  - sound/soc/atmel/sam9x5_wm8731.c       (clk_id used as sysclk source)
  - sound/soc/intel/boards/bytcr_wm5102.c (clk_id used to identify specific
    clock)

Moreover snd_soc_component_set_sysclk() has both "clk_id" and "source"
argument. This is invoked by snd_soc_dai_set_sysclk() which hard codes
the "source" field for the component to 0. There is no way to propagate
sysclk source info to the component from snd_soc_dai_set_sysclk().

To allow selection of a particular source for sysclk, when a device has
multiple sources for it, and to address above, "source" argument is added
to snd_soc_dai_set_sysclk(). This is reflected across all the drivers
where this callback is used. These drivers continue to use the way they
have been using "clk_id". Though ideally we should have a consistent usage
for it and this is not in the scope of current patch to fix that.

Signed-off-by: Sameer Pujar <spujar@nvidia.com>

include/sound/soc-dai.h

@@ -119,7 +119,7 @@ struct snd_soc_dai;
 struct snd_ac97_bus_ops;
 
 /* Digital Audio Interface clocking API.*/
-int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
+int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, int source,
 	unsigned int freq, int dir);
 
 int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
@@ -226,7 +226,7 @@ struct snd_soc_dai_ops {
 	 * Called by soc_card drivers, normally in their hw_params.
 	 */
 	int (*set_sysclk)(struct snd_soc_dai *dai,
-		int clk_id, unsigned int freq, int dir);
+		int clk_id, int source, unsigned int freq, int dir);
 	int (*set_pll)(struct snd_soc_dai *dai, int pll_id, int source,
 		unsigned int freq_in, unsigned int freq_out);
 	int (*set_clkdiv)(struct snd_soc_dai *dai, int div_id, int div);

sound/soc/amd/acp-da7219-max98357a.c

@@ -59,7 +59,7 @@ static int cz_da7219_init(struct snd_soc_pcm_runtime *rtd)
 
 	dev_info(rtd->dev, "codec dai name = %s\n", codec_dai->name);
 
-	ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK,
+	ret = snd_soc_dai_set_sysclk(codec_dai, DA7219_CLKSRC_MCLK, 0,
 				     CZ_PLAT_CLK, SND_SOC_CLOCK_IN);
 	if (ret < 0) {
 		dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);

sound/soc/amd/acp-rt5645.c

@@ -57,7 +57,7 @@ static int cz_aif1_hw_params(struct snd_pcm_substream *substream,
 		return ret;
 	}
 
-	ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_PLL1,
+	ret = snd_soc_dai_set_sysclk(codec_dai, RT5645_SCLK_S_PLL1, 0,
 				params_rate(params) * 512, SND_SOC_CLOCK_OUT);
 	if (ret < 0) {
 		dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);

sound/soc/amd/acp3x-rt5682-max9836.c

@@ -67,7 +67,7 @@ static int acp3x_5682_init(struct snd_soc_pcm_runtime *rtd)
 	}
 
 	/* Set codec sysclk */
-	ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL2,
+	ret = snd_soc_dai_set_sysclk(codec_dai, RT5682_SCLK_S_PLL2, 0,
 			RT5682_PLL_FREQ, SND_SOC_CLOCK_IN);
 	if (ret < 0) {
 		dev_err(rtd->dev,
@@ -145,7 +145,7 @@ static int acp3x_1015_hw_params(struct snd_pcm_substream *substream,
 						64 * srate, 256 * srate);
 		if (ret < 0)
 			return ret;
-		ret = snd_soc_dai_set_sysclk(codec_dai, RT1015_SCLK_S_PLL,
+		ret = snd_soc_dai_set_sysclk(codec_dai, RT1015_SCLK_S_PLL, 0,
 					256 * srate, SND_SOC_CLOCK_IN);
 		if (ret < 0)
 			return ret;

sound/soc/atmel/atmel_wm8904.c

@@ -42,7 +42,7 @@ static int atmel_asoc_wm8904_hw_params(struct snd_pcm_substream *substream,
 	 * so calling set_sysclk won't care freq parameter
 	 * then we pass 0
 	 */
-	ret = snd_soc_dai_set_sysclk(codec_dai, WM8904_CLK_FLL,
+	ret = snd_soc_dai_set_sysclk(codec_dai, WM8904_CLK_FLL, 0,
 			0, SND_SOC_CLOCK_IN);
 	if (ret < 0) {
 		pr_err("%s -failed to set wm8904 SYSCLK\n", __func__);

sound/soc/atmel/mchp-i2s-mcc.c

@@ -289,7 +289,7 @@ static irqreturn_t mchp_i2s_mcc_interrupt(int irq, void *dev_id)
 }
 
 static int mchp_i2s_mcc_set_sysclk(struct snd_soc_dai *dai,
-				   int clk_id, unsigned int freq, int dir)
+				   int clk_id, int source, unsigned int freq, int dir)
 {
 	struct mchp_i2s_mcc_dev *dev = snd_soc_dai_get_drvdata(dai);
 

sound/soc/atmel/mikroe-proto.c

@@ -24,7 +24,7 @@ static int snd_proto_init(struct snd_soc_pcm_runtime *rtd)
 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
 
 	/* Set proto sysclk */
-	int ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL,
+	int ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL, 0,
 					 XTAL_RATE, SND_SOC_CLOCK_IN);
 	if (ret < 0) {
 		dev_err(card->dev, "Failed to set WM8731 SYSCLK: %d\n",

sound/soc/atmel/sam9g20_wm8731.c

@@ -102,7 +102,7 @@ static int at91sam9g20ek_wm8731_init(struct snd_soc_pcm_runtime *rtd)
 
 	dev_dbg(dev, "%s called\n", __func__);
 
-	ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_MCLK,
+	ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_MCLK, 0,
 				     MCLK_RATE, SND_SOC_CLOCK_IN);
 	if (ret < 0) {
 		dev_err(dev, "Failed to set WM8731 SYSCLK: %d\n", ret);

sound/soc/atmel/sam9x5_wm8731.c

@@ -47,7 +47,7 @@ static int sam9x5_wm8731_init(struct snd_soc_pcm_runtime *rtd)
 	dev_dbg(dev, "%s called\n", __func__);
 
 	/* set the codec system clock for DAC and ADC */
-	ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL,
+	ret = snd_soc_dai_set_sysclk(codec_dai, WM8731_SYSCLK_XTAL, 0,
 				     MCLK_RATE, SND_SOC_CLOCK_IN);
 	if (ret < 0) {
 		dev_err(dev, "Failed to set WM8731 SYSCLK: %d\n", ret);

sound/soc/bcm/cygnus-ssp.c

@@ -713,7 +713,7 @@ static int cygnus_ssp_hw_params(struct snd_pcm_substream *substream,
  * This function sets the mclk frequency for pll clock
  */
 static int cygnus_ssp_set_sysclk(struct snd_soc_dai *dai,
-			int clk_id, unsigned int freq, int dir)
+			int clk_id, int source, unsigned int freq, int dir)
 {
 	int sel;
 	u32 value;

sound/soc/cirrus/edb93xx.c

@@ -38,7 +38,7 @@ static int edb93xx_hw_params(struct snd_pcm_substream *substream,
 	else
 		mclk_rate = rate * 64 * 2;
 
-	err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk_rate,
+	err = snd_soc_dai_set_sysclk(codec_dai, 0, 0, mclk_rate,
 				     SND_SOC_CLOCK_IN);
 	if (err)
 		return err;

sound/soc/cirrus/ep93xx-i2s.c

@@ -352,7 +352,7 @@ static int ep93xx_i2s_hw_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static int ep93xx_i2s_set_sysclk(struct snd_soc_dai *cpu_dai, int clk_id,
+static int ep93xx_i2s_set_sysclk(struct snd_soc_dai *cpu_dai, int clk_id, int source,
 				 unsigned int freq, int dir)
 {
 	struct ep93xx_i2s_info *info = snd_soc_dai_get_drvdata(cpu_dai);

sound/soc/cirrus/snappercl15.c

@@ -27,12 +27,12 @@ static int snappercl15_hw_params(struct snd_pcm_substream *substream,
 	struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
 	int err;
 
-	err = snd_soc_dai_set_sysclk(codec_dai, 0, CODEC_CLOCK, 
+	err = snd_soc_dai_set_sysclk(codec_dai, 0, 0, CODEC_CLOCK,
 				     SND_SOC_CLOCK_IN);
 	if (err)
 		return err;
 
-	err = snd_soc_dai_set_sysclk(cpu_dai, 0, CODEC_CLOCK, 
+	err = snd_soc_dai_set_sysclk(cpu_dai, 0, 0, CODEC_CLOCK,
 				     SND_SOC_CLOCK_OUT);
 	if (err)
 		return err;

sound/soc/codecs/88pm860x-codec.c

@@ -999,7 +999,7 @@ static int pm860x_pcm_set_dai_fmt(struct snd_soc_dai *codec_dai,
 }
 
 static int pm860x_set_dai_sysclk(struct snd_soc_dai *codec_dai,
-				 int clk_id, unsigned int freq, int dir)
+				 int clk_id, int source, unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = codec_dai->component;
 	struct pm860x_priv *pm860x = snd_soc_component_get_drvdata(component);

sound/soc/codecs/ad193x.c

@@ -279,7 +279,7 @@ static int ad193x_set_dai_fmt(struct snd_soc_dai *codec_dai,
 }
 
 static int ad193x_set_dai_sysclk(struct snd_soc_dai *codec_dai,
-		int clk_id, unsigned int freq, int dir)
+		int clk_id, int source, unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = codec_dai->component;
 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);

sound/soc/codecs/adau1373.c

@@ -1155,7 +1155,7 @@ static int adau1373_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 }
 
 static int adau1373_set_dai_sysclk(struct snd_soc_dai *dai,
-	int clk_id, unsigned int freq, int dir)
+	int clk_id, int source, unsigned int freq, int dir)
 {
 	struct adau1373 *adau1373 = snd_soc_component_get_drvdata(dai->component);
 	struct adau1373_dai *adau1373_dai = &adau1373->dais[dai->id];

sound/soc/codecs/adau17x1.c

@@ -371,7 +371,7 @@ static int adau17x1_set_dai_pll(struct snd_soc_dai *dai, int pll_id,
 }
 
 static int adau17x1_set_dai_sysclk(struct snd_soc_dai *dai,
-		int clk_id, unsigned int freq, int dir)
+		int clk_id, int source, unsigned int freq, int dir)
 {
 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(dai->component);
 	struct adau *adau = snd_soc_component_get_drvdata(dai->component);

sound/soc/codecs/ak4535.c

@@ -246,7 +246,7 @@ static const struct snd_soc_dapm_route ak4535_audio_map[] = {
 };
 
 static int ak4535_set_dai_sysclk(struct snd_soc_dai *codec_dai,
-	int clk_id, unsigned int freq, int dir)
+	int clk_id, int source, unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = codec_dai->component;
 	struct ak4535_priv *ak4535 = snd_soc_component_get_drvdata(component);

sound/soc/codecs/ak4613.c

@@ -312,7 +312,7 @@ static int ak4613_dai_startup(struct snd_pcm_substream *substream,
 }
 
 static int ak4613_dai_set_sysclk(struct snd_soc_dai *codec_dai,
-				 int clk_id, unsigned int freq, int dir)
+				 int clk_id, int source, unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = codec_dai->component;
 	struct ak4613_priv *priv = snd_soc_component_get_drvdata(component);

sound/soc/codecs/ak4641.c

@@ -302,7 +302,7 @@ static const struct snd_soc_dapm_route ak4641_audio_map[] = {
 };
 
 static int ak4641_set_dai_sysclk(struct snd_soc_dai *codec_dai,
-	int clk_id, unsigned int freq, int dir)
+	int clk_id, int source, unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = codec_dai->component;
 	struct ak4641_priv *ak4641 = snd_soc_component_get_drvdata(component);

sound/soc/codecs/ak4642.c

@@ -333,7 +333,7 @@ static void ak4642_dai_shutdown(struct snd_pcm_substream *substream,
 }
 
 static int ak4642_dai_set_sysclk(struct snd_soc_dai *codec_dai,
-	int clk_id, unsigned int freq, int dir)
+	int clk_id, int source, unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = codec_dai->component;
 	struct ak4642_priv *priv = snd_soc_component_get_drvdata(component);

sound/soc/codecs/ak4671.c

@@ -465,7 +465,7 @@ static int ak4671_hw_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static int ak4671_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
+static int ak4671_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id, int source,
 		unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = dai->component;

sound/soc/codecs/alc5623.c

@@ -615,7 +615,7 @@ static int get_coeff(struct snd_soc_component *component, int rate)
  * Clock after PLL and dividers
  */
 static int alc5623_set_dai_sysclk(struct snd_soc_dai *codec_dai,
-		int clk_id, unsigned int freq, int dir)
+		int clk_id, int source, unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = codec_dai->component;
 	struct alc5623_priv *alc5623 = snd_soc_component_get_drvdata(component);

sound/soc/codecs/alc5632.c

@@ -788,7 +788,7 @@ static int get_coeff(struct snd_soc_component *component, int rate)
  * Clock after PLL and dividers
  */
 static int alc5632_set_dai_sysclk(struct snd_soc_dai *codec_dai,
-		int clk_id, unsigned int freq, int dir)
+		int clk_id, int source, unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = codec_dai->component;
 	struct alc5632_priv *alc5632 = snd_soc_component_get_drvdata(component);

sound/soc/codecs/arizona.c

@@ -1908,7 +1908,7 @@ static const char *arizona_dai_clk_str(int clk_id)
 }
 
 static int arizona_dai_set_sysclk(struct snd_soc_dai *dai,
-				  int clk_id, unsigned int freq, int dir)
+				  int clk_id, int source, unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = dai->component;
 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);

sound/soc/codecs/cpcap.c

@@ -1132,7 +1132,7 @@ static int cpcap_hifi_hw_params(struct snd_pcm_substream *substream,
 	return cpcap_set_samprate(cpcap, CPCAP_DAI_HIFI, rate);
 }
 
-static int cpcap_hifi_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id,
+static int cpcap_hifi_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id, int source,
 				     unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = codec_dai->component;
@@ -1290,7 +1290,7 @@ static int cpcap_voice_hw_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static int cpcap_voice_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id,
+static int cpcap_voice_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id, int source,
 				      unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = codec_dai->component;

sound/soc/codecs/cq93vc.c

@@ -47,7 +47,7 @@ static int cq93vc_mute(struct snd_soc_dai *dai, int mute, int direction)
 }
 
 static int cq93vc_set_dai_sysclk(struct snd_soc_dai *codec_dai,
-				 int clk_id, unsigned int freq, int dir)
+				 int clk_id, int source, unsigned int freq, int dir)
 {
 	switch (freq) {
 	case 22579200:

sound/soc/codecs/cs35l34.c

@@ -598,7 +598,7 @@ static int cs35l34_set_tristate(struct snd_soc_dai *dai, int tristate)
 }
 
 static int cs35l34_dai_set_sysclk(struct snd_soc_dai *dai,
-				int clk_id, unsigned int freq, int dir)
+				int clk_id, int source, unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = dai->component;
 	struct cs35l34_private *cs35l34 = snd_soc_component_get_drvdata(component);

sound/soc/codecs/cs35l35.c

@@ -649,7 +649,7 @@ static int cs35l35_pdm_startup(struct snd_pcm_substream *substream,
 }
 
 static int cs35l35_dai_set_sysclk(struct snd_soc_dai *dai,
-				int clk_id, unsigned int freq, int dir)
+				int clk_id, int source, unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = dai->component;
 	struct cs35l35_private *cs35l35 = snd_soc_component_get_drvdata(component);

sound/soc/codecs/cs35l36.c

@@ -905,7 +905,7 @@ static int cs35l36_pcm_hw_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static int cs35l36_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
+static int cs35l36_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id, int source,
 				  unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = dai->component;

sound/soc/codecs/cs4265.c

@@ -316,7 +316,7 @@ static int cs4265_get_clk_index(int mclk, int rate)
 	return -EINVAL;
 }
 
-static int cs4265_set_sysclk(struct snd_soc_dai *codec_dai, int clk_id,
+static int cs4265_set_sysclk(struct snd_soc_dai *codec_dai, int clk_id, int source,
 			unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = codec_dai->component;

sound/soc/codecs/cs4270.c

@@ -255,7 +255,7 @@ static bool cs4270_reg_is_volatile(struct device *dev, unsigned int reg)
  * that from a machine's driver 'hw_param' hook.
  */
 static int cs4270_set_dai_sysclk(struct snd_soc_dai *codec_dai,
-				 int clk_id, unsigned int freq, int dir)
+				 int clk_id, int source, unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = codec_dai->component;
 	struct cs4270_private *cs4270 = snd_soc_component_get_drvdata(component);

sound/soc/codecs/cs4271.c

@@ -195,7 +195,7 @@ static const struct snd_soc_dapm_route cs4271_dapm_routes[] = {
  * ratios listed in cs4271_mclk_fs_ratios table
  */
 static int cs4271_set_dai_sysclk(struct snd_soc_dai *codec_dai,
-				 int clk_id, unsigned int freq, int dir)
+				 int clk_id, int source, unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = codec_dai->component;
 	struct cs4271_private *cs4271 = snd_soc_component_get_drvdata(component);

sound/soc/codecs/cs42l42.c

@@ -839,7 +839,7 @@ static int cs42l42_pcm_hw_params(struct snd_pcm_substream *substream,
 }
 
 static int cs42l42_set_sysclk(struct snd_soc_dai *dai,
-				int clk_id, unsigned int freq, int dir)
+				int clk_id, int source, unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = dai->component;
 	struct cs42l42_private *cs42l42 = snd_soc_component_get_drvdata(component);

sound/soc/codecs/cs42l51.c

@@ -384,7 +384,7 @@ static struct cs42l51_ratios master_ratios[] = {
 };
 
 static int cs42l51_set_dai_sysclk(struct snd_soc_dai *codec_dai,
-		int clk_id, unsigned int freq, int dir)
+		int clk_id, int source, unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = codec_dai->component;
 	struct cs42l51_private *cs42l51 = snd_soc_component_get_drvdata(component);

sound/soc/codecs/cs42l52.c

@@ -710,7 +710,7 @@ static int cs42l52_get_clk(int mclk, int rate)
 }
 
 static int cs42l52_set_sysclk(struct snd_soc_dai *codec_dai,
-			int clk_id, unsigned int freq, int dir)
+			int clk_id, int source, unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = codec_dai->component;
 	struct cs42l52_private *cs42l52 = snd_soc_component_get_drvdata(component);

sound/soc/codecs/cs42l56.c

@@ -712,7 +712,7 @@ static int cs42l56_get_mclk_ratio(int mclk, int rate)
 }
 
 static int cs42l56_set_sysclk(struct snd_soc_dai *codec_dai,
-			int clk_id, unsigned int freq, int dir)
+			int clk_id, int source, unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = codec_dai->component;
 	struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component);

sound/soc/codecs/cs42l73.c

@@ -905,7 +905,7 @@ static int cs42l73_set_mclk(struct snd_soc_dai *dai, unsigned int freq)
 }
 
 static int cs42l73_set_sysclk(struct snd_soc_dai *dai,
-			      int clk_id, unsigned int freq, int dir)
+			      int clk_id, int source, unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = dai->component;
 	struct cs42l73_private *priv = snd_soc_component_get_drvdata(component);

sound/soc/codecs/cs42xx8.c

@@ -201,7 +201,7 @@ static const struct cs42xx8_ratios cs42xx8_ratios[] = {
 };
 
 static int cs42xx8_set_dai_sysclk(struct snd_soc_dai *codec_dai,
-				  int clk_id, unsigned int freq, int dir)
+				  int clk_id, int source, unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = codec_dai->component;
 	struct cs42xx8_priv *cs42xx8 = snd_soc_component_get_drvdata(component);

sound/soc/codecs/cs43130.c

@@ -1534,7 +1534,7 @@ static int cs43130_dsd_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
 }
 
 static int cs43130_set_sysclk(struct snd_soc_dai *codec_dai,
-				  int clk_id, unsigned int freq, int dir)
+				  int clk_id, int source, unsigned int freq, int dir)
 {
 	struct snd_soc_component *component = codec_dai->component;
 	struct cs43130_private *cs43130 = snd_soc_component_get_drvdata(component);