Merge branch 'linus' into x86/x2apic

1 files changed, 139 insertions, 98 deletions

diff --git a/sound/soc/s3c24xx/neo1973_wm8753.c b/sound/soc/s3c24xx/neo1973_wm8753.c
index 0e9d1c5f248..4d7a9aa15f1 100644
--- a/sound/soc/s3c24xx/neo1973_wm8753.c
+++ b/sound/soc/s3c24xx/neo1973_wm8753.c
@@ -10,10 +10,6 @@
  *  Free Software Foundation;  either version 2 of the  License, or (at your
  *  option) any later version.
  *
- *  Revision history
- *    20th Jan 2007   Initial version.
- *    05th Feb 2007   Rename all to Neo1973
- *
  */
 
 #include <linux/module.h>
@@ -26,6 +22,7 @@
 #include <sound/pcm.h>
 #include <sound/soc.h>
 #include <sound/soc-dapm.h>
+#include <sound/tlv.h>
 
 #include <asm/mach-types.h>
 #include <asm/hardware/scoop.h>
@@ -43,6 +40,14 @@
 #include "s3c24xx-pcm.h"
 #include "s3c24xx-i2s.h"
 
+/* Debugging stuff */
+#define S3C24XX_SOC_NEO1973_WM8753_DEBUG 0
+#if S3C24XX_SOC_NEO1973_WM8753_DEBUG
+#define DBG(x...) printk(KERN_DEBUG "s3c24xx-soc-neo1973-wm8753: " x)
+#else
+#define DBG(x...)
+#endif
+
 /* define the scenarios */
 #define NEO_AUDIO_OFF			0
 #define NEO_GSM_CALL_AUDIO_HANDSET	1
@@ -61,12 +66,14 @@ static int neo1973_hifi_hw_params(struct snd_pcm_substream *substream,
 	struct snd_pcm_hw_params *params)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai;
-	struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
+	struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
+	struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai;
 	unsigned int pll_out = 0, bclk = 0;
 	int ret = 0;
 	unsigned long iis_clkrate;
 
+	DBG("Entered %s\n", __func__);
+
 	iis_clkrate = s3c24xx_i2s_get_clockrate();
 
 	switch (params_rate(params)) {
@@ -101,44 +108,44 @@ static int neo1973_hifi_hw_params(struct snd_pcm_substream *substream,
 	}
 
 	/* set codec DAI configuration */
-	ret = codec_dai->dai_ops.set_fmt(codec_dai,
+	ret = snd_soc_dai_set_fmt(codec_dai,
 		SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 		SND_SOC_DAIFMT_CBM_CFM);
 	if (ret < 0)
 		return ret;
 
 	/* set cpu DAI configuration */
-	ret = cpu_dai->dai_ops.set_fmt(cpu_dai,
+	ret = snd_soc_dai_set_fmt(cpu_dai,
 		SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 		SND_SOC_DAIFMT_CBM_CFM);
 	if (ret < 0)
 		return ret;
 
 	/* set the codec system clock for DAC and ADC */
-	ret = codec_dai->dai_ops.set_sysclk(codec_dai, WM8753_MCLK, pll_out,
+	ret = snd_soc_dai_set_sysclk(codec_dai, WM8753_MCLK, pll_out,
 		SND_SOC_CLOCK_IN);
 	if (ret < 0)
 		return ret;
 
 	/* set MCLK division for sample rate */
-	ret = cpu_dai->dai_ops.set_clkdiv(cpu_dai, S3C24XX_DIV_MCLK,
+	ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_MCLK,
 		S3C2410_IISMOD_32FS);
 	if (ret < 0)
 		return ret;
 
 	/* set codec BCLK division for sample rate */
-	ret = codec_dai->dai_ops.set_clkdiv(codec_dai, WM8753_BCLKDIV, bclk);
+	ret = snd_soc_dai_set_clkdiv(codec_dai, WM8753_BCLKDIV, bclk);
 	if (ret < 0)
 		return ret;
 
 	/* set prescaler division for sample rate */
-	ret = cpu_dai->dai_ops.set_clkdiv(cpu_dai, S3C24XX_DIV_PRESCALER,
+	ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_PRESCALER,
 		S3C24XX_PRESCALE(4, 4));
 	if (ret < 0)
 		return ret;
 
 	/* codec PLL input is PCLK/4 */
-	ret = codec_dai->dai_ops.set_pll(codec_dai, WM8753_PLL1,
+	ret = snd_soc_dai_set_pll(codec_dai, WM8753_PLL1,
 		iis_clkrate / 4, pll_out);
 	if (ret < 0)
 		return ret;
@@ -149,10 +156,12 @@ static int neo1973_hifi_hw_params(struct snd_pcm_substream *substream,
 static int neo1973_hifi_hw_free(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai;
+	struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
+
+	DBG("Entered %s\n", __func__);
 
 	/* disable the PLL */
-	return codec_dai->dai_ops.set_pll(codec_dai, WM8753_PLL1, 0, 0);
+	return snd_soc_dai_set_pll(codec_dai, WM8753_PLL1, 0, 0);
 }
 
 /*
@@ -167,11 +176,13 @@ static int neo1973_voice_hw_params(struct snd_pcm_substream *substream,
 	struct snd_pcm_hw_params *params)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai;
+	struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
 	unsigned int pcmdiv = 0;
 	int ret = 0;
 	unsigned long iis_clkrate;
 
+	DBG("Entered %s\n", __func__);
+
 	iis_clkrate = s3c24xx_i2s_get_clockrate();
 
 	if (params_rate(params) != 8000)
@@ -183,24 +194,24 @@ static int neo1973_voice_hw_params(struct snd_pcm_substream *substream,
 
 	/* todo: gg check mode (DSP_B) against CSR datasheet */
 	/* set codec DAI configuration */
-	ret = codec_dai->dai_ops.set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_B |
+	ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_B |
 		SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
 	if (ret < 0)
 		return ret;
 
 	/* set the codec system clock for DAC and ADC */
-	ret = codec_dai->dai_ops.set_sysclk(codec_dai, WM8753_PCMCLK, 12288000,
+	ret = snd_soc_dai_set_sysclk(codec_dai, WM8753_PCMCLK, 12288000,
 		SND_SOC_CLOCK_IN);
 	if (ret < 0)
 		return ret;
 
 	/* set codec PCM division for sample rate */
-	ret = codec_dai->dai_ops.set_clkdiv(codec_dai, WM8753_PCMDIV, pcmdiv);
+	ret = snd_soc_dai_set_clkdiv(codec_dai, WM8753_PCMDIV, pcmdiv);
 	if (ret < 0)
 		return ret;
 
 	/* configue and enable PLL for 12.288MHz output */
-	ret = codec_dai->dai_ops.set_pll(codec_dai, WM8753_PLL2,
+	ret = snd_soc_dai_set_pll(codec_dai, WM8753_PLL2,
 		iis_clkrate / 4, 12288000);
 	if (ret < 0)
 		return ret;
@@ -211,10 +222,12 @@ static int neo1973_voice_hw_params(struct snd_pcm_substream *substream,
 static int neo1973_voice_hw_free(struct snd_pcm_substream *substream)
 {
 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
-	struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai;
+	struct snd_soc_dai *codec_dai = rtd->dai->codec_dai;
+
+	DBG("Entered %s\n", __func__);
 
 	/* disable the PLL */
-	return codec_dai->dai_ops.set_pll(codec_dai, WM8753_PLL2, 0, 0);
+	return snd_soc_dai_set_pll(codec_dai, WM8753_PLL2, 0, 0);
 }
 
 static struct snd_soc_ops neo1973_voice_ops = {
@@ -233,79 +246,81 @@ static int neo1973_get_scenario(struct snd_kcontrol *kcontrol,
 
 static int set_scenario_endpoints(struct snd_soc_codec *codec, int scenario)
 {
+	DBG("Entered %s\n", __func__);
+
 	switch (neo1973_scenario) {
 	case NEO_AUDIO_OFF:
-		snd_soc_dapm_set_endpoint(codec, "Audio Out",    0);
-		snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0);
-		snd_soc_dapm_set_endpoint(codec, "GSM Line In",  0);
-		snd_soc_dapm_set_endpoint(codec, "Headset Mic",  0);
-		snd_soc_dapm_set_endpoint(codec, "Call Mic",     0);
+		snd_soc_dapm_disable_pin(codec, "Audio Out");
+		snd_soc_dapm_disable_pin(codec, "GSM Line Out");
+		snd_soc_dapm_disable_pin(codec, "GSM Line In");
+		snd_soc_dapm_disable_pin(codec, "Headset Mic");
+		snd_soc_dapm_disable_pin(codec, "Call Mic");
 		break;
 	case NEO_GSM_CALL_AUDIO_HANDSET:
-		snd_soc_dapm_set_endpoint(codec, "Audio Out",    1);
-		snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 1);
-		snd_soc_dapm_set_endpoint(codec, "GSM Line In",  1);
-		snd_soc_dapm_set_endpoint(codec, "Headset Mic",  0);
-		snd_soc_dapm_set_endpoint(codec, "Call Mic",     1);
+		snd_soc_dapm_enable_pin(codec, "Audio Out");
+		snd_soc_dapm_enable_pin(codec, "GSM Line Out");
+		snd_soc_dapm_enable_pin(codec, "GSM Line In");
+		snd_soc_dapm_disable_pin(codec, "Headset Mic");
+		snd_soc_dapm_enable_pin(codec, "Call Mic");
 		break;
 	case NEO_GSM_CALL_AUDIO_HEADSET:
-		snd_soc_dapm_set_endpoint(codec, "Audio Out",    1);
-		snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 1);
-		snd_soc_dapm_set_endpoint(codec, "GSM Line In",  1);
-		snd_soc_dapm_set_endpoint(codec, "Headset Mic",  1);
-		snd_soc_dapm_set_endpoint(codec, "Call Mic",     0);
+		snd_soc_dapm_enable_pin(codec, "Audio Out");
+		snd_soc_dapm_enable_pin(codec, "GSM Line Out");
+		snd_soc_dapm_enable_pin(codec, "GSM Line In");
+		snd_soc_dapm_enable_pin(codec, "Headset Mic");
+		snd_soc_dapm_disable_pin(codec, "Call Mic");
 		break;
 	case NEO_GSM_CALL_AUDIO_BLUETOOTH:
-		snd_soc_dapm_set_endpoint(codec, "Audio Out",    0);
-		snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 1);
-		snd_soc_dapm_set_endpoint(codec, "GSM Line In",  1);
-		snd_soc_dapm_set_endpoint(codec, "Headset Mic",  0);
-		snd_soc_dapm_set_endpoint(codec, "Call Mic",     0);
+		snd_soc_dapm_disable_pin(codec, "Audio Out");
+		snd_soc_dapm_enable_pin(codec, "GSM Line Out");
+		snd_soc_dapm_enable_pin(codec, "GSM Line In");
+		snd_soc_dapm_disable_pin(codec, "Headset Mic");
+		snd_soc_dapm_disable_pin(codec, "Call Mic");
 		break;
 	case NEO_STEREO_TO_SPEAKERS:
-		snd_soc_dapm_set_endpoint(codec, "Audio Out",    1);
-		snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0);
-		snd_soc_dapm_set_endpoint(codec, "GSM Line In",  0);
-		snd_soc_dapm_set_endpoint(codec, "Headset Mic",  0);
-		snd_soc_dapm_set_endpoint(codec, "Call Mic",     0);
+		snd_soc_dapm_enable_pin(codec, "Audio Out");
+		snd_soc_dapm_disable_pin(codec, "GSM Line Out");
+		snd_soc_dapm_disable_pin(codec, "GSM Line In");
+		snd_soc_dapm_disable_pin(codec, "Headset Mic");
+		snd_soc_dapm_disable_pin(codec, "Call Mic");
 		break;
 	case NEO_STEREO_TO_HEADPHONES:
-		snd_soc_dapm_set_endpoint(codec, "Audio Out",    1);
-		snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0);
-		snd_soc_dapm_set_endpoint(codec, "GSM Line In",  0);
-		snd_soc_dapm_set_endpoint(codec, "Headset Mic",  0);
-		snd_soc_dapm_set_endpoint(codec, "Call Mic",     0);
+		snd_soc_dapm_enable_pin(codec, "Audio Out");
+		snd_soc_dapm_disable_pin(codec, "GSM Line Out");
+		snd_soc_dapm_disable_pin(codec, "GSM Line In");
+		snd_soc_dapm_disable_pin(codec, "Headset Mic");
+		snd_soc_dapm_disable_pin(codec, "Call Mic");
 		break;
 	case NEO_CAPTURE_HANDSET:
-		snd_soc_dapm_set_endpoint(codec, "Audio Out",    0);
-		snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0);
-		snd_soc_dapm_set_endpoint(codec, "GSM Line In",  0);
-		snd_soc_dapm_set_endpoint(codec, "Headset Mic",  0);
-		snd_soc_dapm_set_endpoint(codec, "Call Mic",     1);
+		snd_soc_dapm_disable_pin(codec, "Audio Out");
+		snd_soc_dapm_disable_pin(codec, "GSM Line Out");
+		snd_soc_dapm_disable_pin(codec, "GSM Line In");
+		snd_soc_dapm_disable_pin(codec, "Headset Mic");
+		snd_soc_dapm_enable_pin(codec, "Call Mic");
 		break;
 	case NEO_CAPTURE_HEADSET:
-		snd_soc_dapm_set_endpoint(codec, "Audio Out",    0);
-		snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0);
-		snd_soc_dapm_set_endpoint(codec, "GSM Line In",  0);
-		snd_soc_dapm_set_endpoint(codec, "Headset Mic",  1);
-		snd_soc_dapm_set_endpoint(codec, "Call Mic",     0);
+		snd_soc_dapm_disable_pin(codec, "Audio Out");
+		snd_soc_dapm_disable_pin(codec, "GSM Line Out");
+		snd_soc_dapm_disable_pin(codec, "GSM Line In");
+		snd_soc_dapm_enable_pin(codec, "Headset Mic");
+		snd_soc_dapm_disable_pin(codec, "Call Mic");
 		break;
 	case NEO_CAPTURE_BLUETOOTH:
-		snd_soc_dapm_set_endpoint(codec, "Audio Out",    0);
-		snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0);
-		snd_soc_dapm_set_endpoint(codec, "GSM Line In",  0);
-		snd_soc_dapm_set_endpoint(codec, "Headset Mic",  0);
-		snd_soc_dapm_set_endpoint(codec, "Call Mic",     0);
+		snd_soc_dapm_disable_pin(codec, "Audio Out");
+		snd_soc_dapm_disable_pin(codec, "GSM Line Out");
+		snd_soc_dapm_disable_pin(codec, "GSM Line In");
+		snd_soc_dapm_disable_pin(codec, "Headset Mic");
+		snd_soc_dapm_disable_pin(codec, "Call Mic");
 		break;
 	default:
-		snd_soc_dapm_set_endpoint(codec, "Audio Out",    0);
-		snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0);
-		snd_soc_dapm_set_endpoint(codec, "GSM Line In",  0);
-		snd_soc_dapm_set_endpoint(codec, "Headset Mic",  0);
-		snd_soc_dapm_set_endpoint(codec, "Call Mic",     0);
+		snd_soc_dapm_disable_pin(codec, "Audio Out");
+		snd_soc_dapm_disable_pin(codec, "GSM Line Out");
+		snd_soc_dapm_disable_pin(codec, "GSM Line In");
+		snd_soc_dapm_disable_pin(codec, "Headset Mic");
+		snd_soc_dapm_disable_pin(codec, "Call Mic");
 	}
 
-	snd_soc_dapm_sync_endpoints(codec);
+	snd_soc_dapm_sync(codec);
 
 	return 0;
 }
@@ -315,6 +330,8 @@ static int neo1973_set_scenario(struct snd_kcontrol *kcontrol,
 {
 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 
+	DBG("Entered %s\n", __func__);
+
 	if (neo1973_scenario == ucontrol->value.integer.value[0])
 		return 0;
 
@@ -327,6 +344,8 @@ static u8 lm4857_regs[4] = {0x00, 0x40, 0x80, 0xC0};
 
 static void lm4857_write_regs(void)
 {
+	DBG("Entered %s\n", __func__);
+
 	if (i2c_master_send(i2c, lm4857_regs, 4) != 4)
 		printk(KERN_ERR "lm4857: i2c write failed\n");
 }
@@ -338,6 +357,8 @@ static int lm4857_get_reg(struct snd_kcontrol *kcontrol,
 	int shift = (kcontrol->private_value >> 8) & 0x0F;
 	int mask = (kcontrol->private_value >> 16) & 0xFF;
 
+	DBG("Entered %s\n", __func__);
+
 	ucontrol->value.integer.value[0] = (lm4857_regs[reg] >> shift) & mask;
 	return 0;
 }
@@ -364,6 +385,8 @@ static int lm4857_get_mode(struct snd_kcontrol *kcontrol,
 {
 	u8 value = lm4857_regs[LM4857_CTRL] & 0x0F;
 
+	DBG("Entered %s\n", __func__);
+
 	if (value)
 		value -= 5;
 
@@ -376,6 +399,8 @@ static int lm4857_set_mode(struct snd_kcontrol *kcontrol,
 {
 	u8 value = ucontrol->value.integer.value[0];
 
+	DBG("Entered %s\n", __func__);
+
 	if (value)
 		value += 5;
 
@@ -397,8 +422,7 @@ static const struct snd_soc_dapm_widget wm8753_dapm_widgets[] = {
 };
 
 
-/* example machine audio_mapnections */
-static const char *audio_map[][3] = {
+static const struct snd_soc_dapm_route dapm_routes[] = {
 
 	/* Connections to the lm4857 amp */
 	{"Audio Out", NULL, "LOUT1"},
@@ -421,8 +445,6 @@ static const char *audio_map[][3] = {
 
 	/* Connect the ALC pins */
 	{"ACIN", NULL, "ACOP"},
-
-	{NULL, NULL, NULL},
 };
 
 static const char *lm4857_mode[] = {
@@ -453,13 +475,16 @@ static const struct soc_enum neo_scenario_enum[] = {
 	SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(neo_scenarios), neo_scenarios),
 };
 
+static const DECLARE_TLV_DB_SCALE(stereo_tlv, -4050, 150, 0);
+static const DECLARE_TLV_DB_SCALE(mono_tlv, -3450, 150, 0);
+
 static const struct snd_kcontrol_new wm8753_neo1973_controls[] = {
-	SOC_SINGLE_EXT("Amp Left Playback Volume", LM4857_LVOL, 0, 31, 0,
-		lm4857_get_reg, lm4857_set_reg),
-	SOC_SINGLE_EXT("Amp Right Playback Volume", LM4857_RVOL, 0, 31, 0,
-		lm4857_get_reg, lm4857_set_reg),
-	SOC_SINGLE_EXT("Amp Mono Playback Volume", LM4857_MVOL, 0, 31, 0,
-		lm4857_get_reg, lm4857_set_reg),
+	SOC_SINGLE_EXT_TLV("Amp Left Playback Volume", LM4857_LVOL, 0, 31, 0,
+		lm4857_get_reg, lm4857_set_reg, stereo_tlv),
+	SOC_SINGLE_EXT_TLV("Amp Right Playback Volume", LM4857_RVOL, 0, 31, 0,
+		lm4857_get_reg, lm4857_set_reg, stereo_tlv),
+	SOC_SINGLE_EXT_TLV("Amp Mono Playback Volume", LM4857_MVOL, 0, 31, 0,
+		lm4857_get_reg, lm4857_set_reg, mono_tlv),
 	SOC_ENUM_EXT("Amp Mode", lm4857_mode_enum[0],
 		lm4857_get_mode, lm4857_set_mode),
 	SOC_ENUM_EXT("Neo Mode", neo_scenario_enum[0],
@@ -483,21 +508,23 @@ static int neo1973_wm8753_init(struct snd_soc_codec *codec)
 {
 	int i, err;
 
+	DBG("Entered %s\n", __func__);
+
 	/* set up NC codec pins */
-	snd_soc_dapm_set_endpoint(codec, "LOUT2", 0);
-	snd_soc_dapm_set_endpoint(codec, "ROUT2", 0);
-	snd_soc_dapm_set_endpoint(codec, "OUT3",  0);
-	snd_soc_dapm_set_endpoint(codec, "OUT4",  0);
-	snd_soc_dapm_set_endpoint(codec, "LINE1", 0);
-	snd_soc_dapm_set_endpoint(codec, "LINE2", 0);
+	snd_soc_dapm_disable_pin(codec, "LOUT2");
+	snd_soc_dapm_disable_pin(codec, "ROUT2");
+	snd_soc_dapm_disable_pin(codec, "OUT3");
+	snd_soc_dapm_disable_pin(codec, "OUT4");
+	snd_soc_dapm_disable_pin(codec, "LINE1");
+	snd_soc_dapm_disable_pin(codec, "LINE2");
 
 
 	/* set endpoints to default mode */
 	set_scenario_endpoints(codec, NEO_AUDIO_OFF);
 
 	/* Add neo1973 specific widgets */
-	for (i = 0; i < ARRAY_SIZE(wm8753_dapm_widgets); i++)
-		snd_soc_dapm_new_control(codec, &wm8753_dapm_widgets[i]);
+	snd_soc_dapm_new_controls(codec, wm8753_dapm_widgets,
+				  ARRAY_SIZE(wm8753_dapm_widgets));
 
 	/* add neo1973 specific controls */
 	for (i = 0; i < ARRAY_SIZE(wm8753_neo1973_controls); i++) {
@@ -508,20 +535,18 @@ static int neo1973_wm8753_init(struct snd_soc_codec *codec)
 			return err;
 	}
 
-	/* set up neo1973 specific audio path audio_mapnects */
-	for (i = 0; audio_map[i][0] != NULL; i++) {
-		snd_soc_dapm_connect_input(codec, audio_map[i][0],
-			audio_map[i][1], audio_map[i][2]);
-	}
+	/* set up neo1973 specific audio routes */
+	err = snd_soc_dapm_add_routes(codec, dapm_routes,
+				      ARRAY_SIZE(dapm_routes));
 
-	snd_soc_dapm_sync_endpoints(codec);
+	snd_soc_dapm_sync(codec);
 	return 0;
 }
 
 /*
  * BT Codec DAI
  */
-static struct snd_soc_cpu_dai bt_dai = {
+static struct snd_soc_dai bt_dai = {
 	.name = "Bluetooth",
 	.id = 0,
 	.type = SND_SOC_DAI_PCM,
@@ -583,6 +608,8 @@ static int lm4857_amp_probe(struct i2c_adapter *adap, int addr, int kind)
 {
 	int ret;
 
+	DBG("Entered %s\n", __func__);
+
 	client_template.adapter = adap;
 	client_template.addr = addr;
 
@@ -606,6 +633,8 @@ exit_err:
 
 static int lm4857_i2c_detach(struct i2c_client *client)
 {
+	DBG("Entered %s\n", __func__);
+
 	i2c_detach_client(client);
 	kfree(client);
 	return 0;
@@ -613,6 +642,8 @@ static int lm4857_i2c_detach(struct i2c_client *client)
 
 static int lm4857_i2c_attach(struct i2c_adapter *adap)
 {
+	DBG("Entered %s\n", __func__);
+
 	return i2c_probe(adap, &addr_data, lm4857_amp_probe);
 }
 
@@ -620,6 +651,8 @@ static u8 lm4857_state;
 
 static int lm4857_suspend(struct i2c_client *dev, pm_message_t state)
 {
+	DBG("Entered %s\n", __func__);
+
 	dev_dbg(&dev->dev, "lm4857_suspend\n");
 	lm4857_state = lm4857_regs[LM4857_CTRL] & 0xf;
 	if (lm4857_state) {
@@ -631,6 +664,8 @@ static int lm4857_suspend(struct i2c_client *dev, pm_message_t state)
 
 static int lm4857_resume(struct i2c_client *dev)
 {
+	DBG("Entered %s\n", __func__);
+
 	if (lm4857_state) {
 		lm4857_regs[LM4857_CTRL] |= (lm4857_state & 0x0f);
 		lm4857_write_regs();
@@ -640,6 +675,8 @@ static int lm4857_resume(struct i2c_client *dev)
 
 static void lm4857_shutdown(struct i2c_client *dev)
 {
+	DBG("Entered %s\n", __func__);
+
 	dev_dbg(&dev->dev, "lm4857_shutdown\n");
 	lm4857_regs[LM4857_CTRL] &= 0xf0;
 	lm4857_write_regs();
@@ -671,6 +708,8 @@ static int __init neo1973_init(void)
 {
 	int ret;
 
+	DBG("Entered %s\n", __func__);
+
 	neo1973_snd_device = platform_device_alloc("soc-audio", -1);
 	if (!neo1973_snd_device)
 		return -ENOMEM;
@@ -691,6 +730,8 @@ static int __init neo1973_init(void)
 
 static void __exit neo1973_exit(void)
 {
+	DBG("Entered %s\n", __func__);
+
 	i2c_del_driver(&lm4857_i2c_driver);
 	platform_device_unregister(neo1973_snd_device);
 }