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Thu, 23 Mar 2023 09:44:15 -0700 (PDT) From: Srinivas Kandagatla To: broonie@kernel.org Subject: [PATCH 2/4] ASoC: qcom: sdw: do not restart soundwire ports for every prepare Date: Thu, 23 Mar 2023 16:44:01 +0000 Message-Id: <20230323164403.6654-3-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20230323164403.6654-1-srinivas.kandagatla@linaro.org> References: <20230323164403.6654-1-srinivas.kandagatla@linaro.org> MIME-Version: 1.0 Message-ID-Hash: ULU4FVP5MKKS37H6OMJMQB4SFJY2ZWCU X-Message-ID-Hash: ULU4FVP5MKKS37H6OMJMQB4SFJY2ZWCU X-MailFrom: srinivas.kandagatla@linaro.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: tiwai@suse.com, lgirdwood@gmail.com, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, johan+linaro@kernel.org, steev@kali.org, dmitry.baryshkov@linaro.org, Srinivas Kandagatla X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: 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 --- sound/soc/qcom/sdw.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/sound/soc/qcom/sdw.c b/sound/soc/qcom/sdw.c index 10249519a39e..1a41419c7eb8 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)