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Sat, 28 Nov 2020 04:59:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 93EF6C433ED Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=srivasam@codeaurora.org From: Srinivasa Rao Mandadapu To: agross@kernel.org, bjorn.andersson@linaro.org, lgirdwood@gmail.com, broonie@kernel.org, robh+dt@kernel.org, plai@codeaurora.org, bgoswami@codeaurora.org, perex@perex.cz, tiwai@suse.com, srinivas.kandagatla@linaro.org, rohitkr@codeaurora.org, linux-arm-msm@vger.kernel.org, alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 2/2] ASoC: qcom: Add support for playback recover after resume Date: Sat, 28 Nov 2020 10:29:19 +0530 Message-Id: <1606539559-4277-3-git-send-email-srivasam@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1606539559-4277-1-git-send-email-srivasam@codeaurora.org> References: <1606539559-4277-1-git-send-email-srivasam@codeaurora.org> Cc: V Sujith Kumar Reddy , Srinivasa Rao Mandadapu X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" 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 Signed-off-by: Srinivasa Rao Mandadapu Reviewed-by: Srinivas Kandagatla --- 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, };