diff options
Diffstat (limited to 'sound/soc/s3c24xx/neo1973_wm8753.c')
| -rw-r--r-- | sound/soc/s3c24xx/neo1973_wm8753.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/sound/soc/s3c24xx/neo1973_wm8753.c b/sound/soc/s3c24xx/neo1973_wm8753.c index 0e9d1c5f248..e469186a407 100644 --- a/sound/soc/s3c24xx/neo1973_wm8753.c +++ b/sound/soc/s3c24xx/neo1973_wm8753.c @@ -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 @@ 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 +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); } |