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Diffstat (limited to 'sound/soc/codecs/wm8731.c')
-rw-r--r--sound/soc/codecs/wm8731.c66
1 files changed, 33 insertions, 33 deletions
diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
index e7c6bf1..0ab9b63 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,
generated by cgit v0.10.2 at 2024-11-02 19:04:15 (GMT)