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Commit 1894c59f authored by Tim Niemeyer's avatar Tim Niemeyer Committed by Jaroslav Kysela
Browse files

[ALSA] soc - Patch to add debug messages to the neo1973_wm8753 (GTA01) sound driver 



Signed-off-by: default avatarTim Niemeyer <reddog@mastersword.de>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@perex.cz>
parent 650f6b13

sound/soc/s3c24xx/neo1973_wm8753.c

+46 −0
Original line number Diff line number Diff line
@@ -43,6 +43,14 @@ 
#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
@@ -67,6 +75,8 @@ static int neo1973_hifi_hw_params(struct snd_pcm_substream *substream, 
	int ret = 0;

	unsigned long iis_clkrate;



	DBG("Entered %s\n", __func__);



	iis_clkrate = s3c24xx_i2s_get_clockrate();



	switch (params_rate(params)) {
@@ -151,6 +161,8 @@ 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;



	DBG("Entered %s\n", __func__);



	/* disable the PLL */

	return codec_dai->dai_ops.set_pll(codec_dai, WM8753_PLL1, 0, 0);

}
@@ -172,6 +184,8 @@ static int neo1973_voice_hw_params(struct snd_pcm_substream *substream, 
	int ret = 0;

	unsigned long iis_clkrate;



	DBG("Entered %s\n", __func__);



	iis_clkrate = s3c24xx_i2s_get_clockrate();



	if (params_rate(params) != 8000)
@@ -213,6 +227,8 @@ 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;



	DBG("Entered %s\n", __func__);



	/* disable the PLL */

	return codec_dai->dai_ops.set_pll(codec_dai, WM8753_PLL2, 0, 0);

}
@@ -233,6 +249,8 @@ 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);
@@ -315,6 +333,8 @@ 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 +347,8 @@ 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 +360,8 @@ 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 +388,8 @@ 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 +402,8 @@ 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;
@@ -483,6 +511,8 @@ 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);
@@ -583,6 +613,8 @@ 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 +638,8 @@ static int lm4857_amp_probe(struct i2c_adapter *adap, int addr, int kind) 


static int lm4857_i2c_detach(struct i2c_client *client)

{

	DBG("Entered %s\n", __func__);



	i2c_detach_client(client);

	kfree(client);

	return 0;
@@ -613,6 +647,8 @@ 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 +656,8 @@ 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 +669,8 @@ 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 +680,8 @@ 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 +713,8 @@ 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 +735,8 @@ 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);

}