diff options
Diffstat (limited to 'sound/soc/codecs/wm8350.c')
| -rw-r--r-- | sound/soc/codecs/wm8350.c | 40 |
1 files changed, 0 insertions, 40 deletions
diff --git a/sound/soc/codecs/wm8350.c b/sound/soc/codecs/wm8350.c index 8c4c9591ec05..1dee57e67a1b 100644 --- a/sound/soc/codecs/wm8350.c +++ b/sound/soc/codecs/wm8350.c @@ -71,13 +71,6 @@ struct wm8350_data { int fll_freq_in; }; -static unsigned int wm8350_codec_cache_read(struct snd_soc_codec *codec, - unsigned int reg) -{ - struct wm8350 *wm8350 = codec->control_data; - return wm8350->reg_cache[reg]; -} - static unsigned int wm8350_codec_read(struct snd_soc_codec *codec, unsigned int reg) { @@ -929,38 +922,6 @@ static int wm8350_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) return 0; } -static int wm8350_pcm_trigger(struct snd_pcm_substream *substream, - int cmd, struct snd_soc_dai *codec_dai) -{ - struct snd_soc_codec *codec = codec_dai->codec; - int master = wm8350_codec_cache_read(codec, WM8350_AI_DAC_CONTROL) & - WM8350_BCLK_MSTR; - int enabled = 0; - - /* Check that the DACs or ADCs are enabled since they are - * required for LRC in master mode. The DACs or ADCs need a - * valid audio path i.e. pin -> ADC or DAC -> pin before - * the LRC will be enabled in master mode. */ - if (!master || cmd != SNDRV_PCM_TRIGGER_START) - return 0; - - if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { - enabled = wm8350_codec_cache_read(codec, WM8350_POWER_MGMT_4) & - (WM8350_ADCR_ENA | WM8350_ADCL_ENA); - } else { - enabled = wm8350_codec_cache_read(codec, WM8350_POWER_MGMT_4) & - (WM8350_DACR_ENA | WM8350_DACL_ENA); - } - - if (!enabled) { - dev_err(codec->dev, - "%s: invalid audio path - no clocks available\n", - __func__); - return -EINVAL; - } - return 0; -} - static int wm8350_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *codec_dai) @@ -1491,7 +1452,6 @@ EXPORT_SYMBOL_GPL(wm8350_mic_jack_detect); static const struct snd_soc_dai_ops wm8350_dai_ops = { .hw_params = wm8350_pcm_hw_params, .digital_mute = wm8350_mute, - .trigger = wm8350_pcm_trigger, .set_fmt = wm8350_set_dai_fmt, .set_sysclk = wm8350_set_dai_sysclk, .set_pll = wm8350_set_fll, |