diff mbox series

[v4,2/2] ASoC: qcom: Add support for playback recover after resume

Message ID 1606539559-4277-3-git-send-email-srivasam@codeaurora.org
State Superseded
Headers show
Series Platform driver update to support playback recover after resume | expand

Commit Message

Srinivasa Rao Mandadapu Nov. 28, 2020, 4:59 a.m. UTC
To support playback continuation after hard suspend(bypass powerd)
and resume add component driver ops and do regcache sync.

Signed-off-by: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
---
 sound/soc/qcom/lpass-platform.c | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

Comments

Srinivas Kandagatla Nov. 30, 2020, 11:19 a.m. UTC | #1
On 28/11/2020 04:59, Srinivasa Rao Mandadapu wrote:
> To support playback continuation after hard suspend(bypass powerd)
> and resume add component driver ops and do regcache sync.
> 
> Signed-off-by: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
> Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>

LGTM,

Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>


> ---
>   sound/soc/qcom/lpass-platform.c | 35 +++++++++++++++++++++++++++++++++++
>   1 file changed, 35 insertions(+)
> 
> diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c
> index 0e71899..12764a8 100644
> --- a/sound/soc/qcom/lpass-platform.c
> +++ b/sound/soc/qcom/lpass-platform.c
> @@ -827,6 +827,39 @@ 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,
> @@ -839,6 +872,8 @@ 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,
>   
>   };
>   
>
diff mbox series

Patch

diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c
index 0e71899..12764a8 100644
--- a/sound/soc/qcom/lpass-platform.c
+++ b/sound/soc/qcom/lpass-platform.c
@@ -827,6 +827,39 @@  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,
@@ -839,6 +872,8 @@  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,
 
 };