diff options
| author |   Srinivasa Rao Mandadapu <srivasam@codeaurora.org> | 2020-12-17 13:38:34 +0530 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2020-12-17 14:24:41 +0000 |
| commit | 8d1bfc04c97407767559f6389a0f0fb060cbe25e (patch) | |
| tree | 2828bcd4442c8106c8495297b51c01b6aceb9418 /sound | |
| parent | ASoC: qcom: Fix incorrect volatile registers (diff) | |
| download | linux-dev-8d1bfc04c97407767559f6389a0f0fb060cbe25e.tar.xz linux-dev-8d1bfc04c97407767559f6389a0f0fb060cbe25e.zip | |
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: 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>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/qcom/lpass-platform.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sound/soc/qcom/lpass-platform.c b/sound/soc/qcom/lpass-platform.c index 232deee6fde5..d1c248590f3a 100644 --- a/sound/soc/qcom/lpass-platform.c +++ b/sound/soc/qcom/lpass-platform.c @@ -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, }; |