From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Date: Thu, 23 Mar 2023 16:44:01 +0000 (+0000)
Subject: ASoC: qcom: sdw: do not restart soundwire ports for every prepare
X-Git-Tag: v6.4-rc1~125^2^2~50^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e2e530886359246ae782c779be248c59bc2ed111;p=thirdparty%2Fkernel%2Fstable.git

ASoC: qcom: sdw: do not restart soundwire ports for every prepare

unpreparing/disabling and preparing/reenabling soundwire ports is not required
for every prepare call, this add lots of click and pop noise if we do this in
middle of playback or capture.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230323164403.6654-3-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
---

diff --git a/sound/soc/qcom/sdw.c b/sound/soc/qcom/sdw.c
index 10249519a39e5..1a41419c7eb8f 100644
--- a/sound/soc/qcom/sdw.c
+++ b/sound/soc/qcom/sdw.c
@@ -32,11 +32,8 @@ int qcom_snd_sdw_prepare(struct snd_pcm_substream *substream,
 		return 0;
 	}
 
-	if (*stream_prepared) {
-		sdw_disable_stream(sruntime);
-		sdw_deprepare_stream(sruntime);
-		*stream_prepared = false;
-	}
+	if (*stream_prepared)
+		return 0;
 
 	ret = sdw_prepare_stream(sruntime);
 	if (ret)