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MLK-10899: ASoC: si476x: add startup/shutdown to powerup/down FM

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The hw parameter is set failed for si476x if si476x is not powerup,
the codec use the default value of this module. So add startup/shutdown
to powerup/powerdown FM, then we can set parameter successfully.

Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com>
(cherry picked from commit 796665760605e020e6835f13db6ce49e0a0e03f5)
This commit is contained in:
Shengjiu Wang 2015-05-28 14:57:33 +08:00 committed by Dong Aisheng
parent ebf67d3ab0
commit 7d0becbfe1
1 changed files with 19 additions and 0 deletions
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19
sound/soc/codecs/si476x.c
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@ -199,9 +199,28 @@ static int si476x_codec_hw_params(struct snd_pcm_substream *substream,
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 = {