diff options
Diffstat (limited to 'sound/soc/codecs/wm8731.c')
| -rw-r--r-- | sound/soc/codecs/wm8731.c | 66 |
1 files changed, 33 insertions, 33 deletions
diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c index e7c6bf163185..0ab9b6355297 100644 --- a/sound/soc/codecs/wm8731.c +++ b/sound/soc/codecs/wm8731.c @@ -225,7 +225,7 @@ static int wm8731_hw_params(struct snd_pcm_substream *substream, struct snd_soc_pcm_runtime *rtd = substream->private_data; struct snd_soc_device *socdev = rtd->socdev; struct snd_soc_codec *codec = socdev->card->codec; - struct wm8731_priv *wm8731 = codec->private_data; + struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); u16 iface = snd_soc_read(codec, WM8731_IFACE) & 0xfff3; int i = get_coeff(wm8731->sysclk, params_rate(params)); u16 srate = (coeff_div[i].sr << 2) | @@ -292,7 +292,7 @@ static int wm8731_set_dai_sysclk(struct snd_soc_dai *codec_dai, int clk_id, unsigned int freq, int dir) { struct snd_soc_codec *codec = codec_dai->codec; - struct wm8731_priv *wm8731 = codec->private_data; + struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); switch (freq) { case 11289600: @@ -369,6 +369,10 @@ static int wm8731_set_dai_fmt(struct snd_soc_dai *codec_dai, static int wm8731_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { + struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec); + int i, ret; + u8 data[2]; + u16 *cache = codec->reg_cache; u16 reg; switch (level) { @@ -377,6 +381,24 @@ static int wm8731_set_bias_level(struct snd_soc_codec *codec, case SND_SOC_BIAS_PREPARE: break; case SND_SOC_BIAS_STANDBY: + if (codec->bias_level == SND_SOC_BIAS_OFF) { + ret = regulator_bulk_enable(ARRAY_SIZE(wm8731->supplies), + wm8731->supplies); + if (ret != 0) + return ret; + + /* Sync reg_cache with the hardware */ + for (i = 0; i < ARRAY_SIZE(wm8731_reg); i++) { + if (cache[i] == wm8731_reg[i]) + continue; + + data[0] = (i << 1) | ((cache[i] >> 8) + & 0x0001); + data[1] = cache[i] & 0x00ff; + codec->hw_write(codec->control_data, data, 2); + } + } + /* Clear PWROFF, gate CLKOUT, everything else as-is */ reg = snd_soc_read(codec, WM8731_PWR) & 0xff7f; snd_soc_write(codec, WM8731_PWR, reg | 0x0040); @@ -384,17 +406,15 @@ static int wm8731_set_bias_level(struct snd_soc_codec *codec, case SND_SOC_BIAS_OFF: snd_soc_write(codec, WM8731_ACTIVE, 0x0); snd_soc_write(codec, WM8731_PWR, 0xffff); + regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), + wm8731->supplies); break; } codec->bias_level = level; return 0; } -#define WM8731_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ - SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ - SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\ - SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\ - SNDRV_PCM_RATE_96000) +#define WM8731_RATES SNDRV_PCM_RATE_8000_96000 #define WM8731_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ SNDRV_PCM_FMTBIT_S24_LE) @@ -432,12 +452,9 @@ static int wm8731_suspend(struct platform_device *pdev, pm_message_t state) { struct snd_soc_device *socdev = platform_get_drvdata(pdev); struct snd_soc_codec *codec = socdev->card->codec; - struct wm8731_priv *wm8731 = codec->private_data; - snd_soc_write(codec, WM8731_ACTIVE, 0x0); wm8731_set_bias_level(codec, SND_SOC_BIAS_OFF); - regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), - wm8731->supplies); + return 0; } @@ -445,27 +462,8 @@ static int wm8731_resume(struct platform_device *pdev) { struct snd_soc_device *socdev = platform_get_drvdata(pdev); struct snd_soc_codec *codec = socdev->card->codec; - struct wm8731_priv *wm8731 = codec->private_data; - int i, ret; - u8 data[2]; - u16 *cache = codec->reg_cache; - ret = regulator_bulk_enable(ARRAY_SIZE(wm8731->supplies), - wm8731->supplies); - if (ret != 0) - return ret; - - /* Sync reg_cache with the hardware */ - for (i = 0; i < ARRAY_SIZE(wm8731_reg); i++) { - if (cache[i] == wm8731_reg[i]) - continue; - - data[0] = (i << 1) | ((cache[i] >> 8) & 0x0001); - data[1] = cache[i] & 0x00ff; - codec->hw_write(codec->control_data, data, 2); - } wm8731_set_bias_level(codec, SND_SOC_BIAS_STANDBY); - wm8731_set_bias_level(codec, codec->suspend_bias_level); return 0; } @@ -540,7 +538,7 @@ static int wm8731_register(struct wm8731_priv *wm8731, INIT_LIST_HEAD(&codec->dapm_widgets); INIT_LIST_HEAD(&codec->dapm_paths); - codec->private_data = wm8731; + snd_soc_codec_set_drvdata(codec, wm8731); codec->name = "WM8731"; codec->owner = THIS_MODULE; codec->bias_level = SND_SOC_BIAS_OFF; @@ -609,6 +607,9 @@ static int wm8731_register(struct wm8731_priv *wm8731, goto err_codec; } + /* Regulators will have been enabled by bias management */ + regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies); + return 0; err_codec: @@ -627,7 +628,6 @@ static void wm8731_unregister(struct wm8731_priv *wm8731) wm8731_set_bias_level(&wm8731->codec, SND_SOC_BIAS_OFF); snd_soc_unregister_dai(&wm8731_dai); snd_soc_unregister_codec(&wm8731->codec); - regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies); regulator_bulk_free(ARRAY_SIZE(wm8731->supplies), wm8731->supplies); kfree(wm8731); wm8731_codec = NULL; @@ -708,7 +708,7 @@ MODULE_DEVICE_TABLE(i2c, wm8731_i2c_id); static struct i2c_driver wm8731_i2c_driver = { .driver = { - .name = "WM8731 I2C Codec", + .name = "wm8731", .owner = THIS_MODULE, }, .probe = wm8731_i2c_probe, |