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ASoC: qcom: Add support for playback recover after resume

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To support playback continuation after hard suspend(bypass powerd)
and resume do regcache sync with component driver pm ops.

Signed-off-by: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Tested-by: Steev Klimaszewski <steev@kali.org>
Link: https://lore.kernel.org/r/1608192514-29695-3-git-send-email-srivasam@codeaurora.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Srinivasa Rao Mandadapu 2020-12-17 13:38:34 +05:30 committed by Mark Brown
parent 315fbe4cef
commit 8d1bfc04c9
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GPG Key ID: 24D68B725D5487D0
1 changed files with 35 additions and 0 deletions
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35
sound/soc/qcom/lpass-platform.c
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@ -823,6 +823,39 @@ static void lpass_platform_pcm_free(struct snd_soc_component *component,
}
}
static int lpass_platform_pcmops_suspend(struct snd_soc_component *component)
{
struct lpass_data *drvdata = snd_soc_component_get_drvdata(component);
struct regmap *map;
unsigned int dai_id = component->id;
if (dai_id == LPASS_DP_RX)
map = drvdata->hdmiif_map;
else
map = drvdata->lpaif_map;
regcache_cache_only(map, true);
regcache_mark_dirty(map);
return 0;
}
static int lpass_platform_pcmops_resume(struct snd_soc_component *component)
{
struct lpass_data *drvdata = snd_soc_component_get_drvdata(component);
struct regmap *map;
unsigned int dai_id = component->id;
if (dai_id == LPASS_DP_RX)
map = drvdata->hdmiif_map;
else
map = drvdata->lpaif_map;
regcache_cache_only(map, false);
return regcache_sync(map);
}
static const struct snd_soc_component_driver lpass_component_driver = {
.name = DRV_NAME,
.open = lpass_platform_pcmops_open,
@ -835,6 +868,8 @@ static const struct snd_soc_component_driver lpass_component_driver = {
.mmap = lpass_platform_pcmops_mmap,
.pcm_construct = lpass_platform_pcm_new,
.pcm_destruct = lpass_platform_pcm_free,
.suspend = lpass_platform_pcmops_suspend,
.resume = lpass_platform_pcmops_resume,
};