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[86.30.250.44]) by smtp.gmail.com with ESMTPSA id a184sm3394970wmf.29.2020.03.17.02.56.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 17 Mar 2020 02:56:09 -0700 (PDT) From: Srinivas Kandagatla To: broonie@kernel.org Subject: [PATCH 0/2] ASoC: sdm845: fix soundwire stream handling Date: Tue, 17 Mar 2020 09:53:49 +0000 Message-Id: <20200317095351.15582-1-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, lgirdwood@gmail.com, linux-kernel@vger.kernel.org, pierre-louis.bossart@linux.intel.com, vkoul@kernel.org, Srinivas Kandagatla 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" Recent addition of SoundWire stream state-machine checks in linux-next have shown an existing issue with handling soundwire streams in codec drivers. In general soundwire stream prepare/enable/disable can be called from either codec/machine/controller driver. However calling it in codec driver means that if multiple instances(Left/Right speakers) of the same codec is connected to the same stream then it will endup calling stream prepare/enable/disable more than once. This will mess up the stream state-machine checks in the soundwire core. Moving this stream handling to machine driver would fix this issue and also allow board/platform specfic power sequencing. Srinivas Kandagatla (2): ASoC: qcom: sdm845: handle soundwire stream ASoC: codecs: wsa881x: remove soundwire stream handling sound/soc/codecs/wsa881x.c | 44 +----------------------- sound/soc/qcom/Kconfig | 2 +- sound/soc/qcom/sdm845.c | 69 ++++++++++++++++++++++++++++++++++++++ 3 files changed, 71 insertions(+), 44 deletions(-)