diff options
Diffstat (limited to 'sound/soc/codecs/si476x.c')
| -rw-r--r-- | sound/soc/codecs/si476x.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sound/soc/codecs/si476x.c b/sound/soc/codecs/si476x.c index 8d88db9c11a6..8924aeb6bed4 100644 --- a/sound/soc/codecs/si476x.c +++ b/sound/soc/codecs/si476x.c @@ -199,9 +199,28 @@ out: return err; } +static int si476x_codec_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) { + struct si476x_core *core = i2c_mfd_cell_to_core(dai->dev); + + if (!si476x_core_is_powered_up(core)) + si476x_core_set_power_state(core, SI476X_POWER_UP_FULL); + return 0; +} + +static void si476x_codec_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) { + struct si476x_core *core = i2c_mfd_cell_to_core(dai->dev); + + if (si476x_core_is_powered_up(core)) + si476x_core_set_power_state(core, SI476X_POWER_DOWN); +} + static const struct snd_soc_dai_ops si476x_dai_ops = { .hw_params = si476x_codec_hw_params, .set_fmt = si476x_codec_set_dai_fmt, + .startup = si476x_codec_startup, + .shutdown = si476x_codec_shutdown, }; static struct snd_soc_dai_driver si476x_dai = { |