diff options
Diffstat (limited to 'kernel/sound/soc/codecs/wm8523.c')
| -rw-r--r-- | kernel/sound/soc/codecs/wm8523.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/kernel/sound/soc/codecs/wm8523.c b/kernel/sound/soc/codecs/wm8523.c index b1cc94f5f..aa287a396 100644 --- a/kernel/sound/soc/codecs/wm8523.c +++ b/kernel/sound/soc/codecs/wm8523.c @@ -113,6 +113,15 @@ static struct { { 7, 1152 }, }; +static struct { + int value; + int ratio; +} bclk_ratios[WM8523_NUM_RATES] = { + { 2, 32 }, + { 3, 64 }, + { 4, 128 }, +}; + static int wm8523_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { @@ -162,6 +171,23 @@ static int wm8523_hw_params(struct snd_pcm_substream *substream, aifctrl2 &= ~WM8523_SR_MASK; aifctrl2 |= lrclk_ratios[i].value; + if (aifctrl1 & WM8523_AIF_MSTR) { + /* Find a fs->bclk ratio */ + for (i = 0; i < ARRAY_SIZE(bclk_ratios); i++) + if (params_width(params) * 2 <= bclk_ratios[i].ratio) + break; + + if (i == ARRAY_SIZE(bclk_ratios)) { + dev_err(codec->dev, + "No matching BCLK/fs ratio for word length %d\n", + params_width(params)); + return -EINVAL; + } + + aifctrl2 &= ~WM8523_BCLKDIV_MASK; + aifctrl2 |= bclk_ratios[i].value << WM8523_BCLKDIV_SHIFT; + } + aifctrl1 &= ~WM8523_WL_MASK; switch (params_width(params)) { case 16: @@ -308,7 +334,7 @@ static int wm8523_set_bias_level(struct snd_soc_codec *codec, break; case SND_SOC_BIAS_STANDBY: - if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { + if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) { ret = regulator_bulk_enable(ARRAY_SIZE(wm8523->supplies), wm8523->supplies); if (ret != 0) { @@ -344,7 +370,6 @@ static int wm8523_set_bias_level(struct snd_soc_codec *codec, wm8523->supplies); break; } - codec->dapm.bias_level = level; return 0; } @@ -405,6 +430,7 @@ static const struct of_device_id wm8523_of_match[] = { { .compatible = "wlf,wm8523" }, { }, }; +MODULE_DEVICE_TABLE(of, wm8523_of_match); static const struct regmap_config wm8523_regmap = { .reg_bits = 8, @@ -509,7 +535,6 @@ MODULE_DEVICE_TABLE(i2c, wm8523_i2c_id); static struct i2c_driver wm8523_i2c_driver = { .driver = { .name = "wm8523", - .owner = THIS_MODULE, .of_match_table = wm8523_of_match, }, .probe = wm8523_i2c_probe, |