Unverified Commit 8d1bfc04 authored by Srinivasa Rao Mandadapu's avatar Srinivasa Rao Mandadapu Committed by Mark Brown
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ASoC: qcom: Add support for playback recover after resume 



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

Signed-off-by: default avatarV Sujith Kumar Reddy <vsujithk@codeaurora.org>
Signed-off-by: default avatarSrinivasa Rao Mandadapu <srivasam@codeaurora.org>
Reviewed-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Tested-by: default avatarSteev Klimaszewski <steev@kali.org>
Link: https://lore.kernel.org/r/1608192514-29695-3-git-send-email-srivasam@codeaurora.org


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 315fbe4c

sound/soc/qcom/lpass-platform.c

+35 −0
Original line number Diff line number Diff line
@@ -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,



};