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Thu, 20 Mar 2025 04:56:43 -0700 (PDT) From: srinivas.kandagatla@linaro.org To: peda@axentia.se, broonie@kernel.org, andersson@kernel.org, krzk+dt@kernel.org Cc: ivprusov@salutedevices.com, luca.ceresoli@bootlin.com, zhoubinbin@loongson.cn, paulha@opensource.cirrus.com, lgirdwood@gmail.com, robh@kernel.org, conor+dt@kernel.org, konradybcio@kernel.org, perex@perex.cz, tiwai@suse.com, dmitry.baryshkov@oss.qualcomm.com, linux-sound@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, johan+linaro@kernel.org, Srinivas Kandagatla Subject: [PATCH v2 3/5] ASoC: dt-bindings: wcd93xx: add bindings for audio mux controlling hp Date: Thu, 20 Mar 2025 11:56:31 +0000 Message-Id: <20250320115633.4248-4-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250320115633.4248-1-srinivas.kandagatla@linaro.org> References: <20250320115633.4248-1-srinivas.kandagatla@linaro.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Srinivas Kandagatla On some platforms to minimise pop and click during switching between CTIA and OMTP headset an additional HiFi mux is used. Most common case is that this switch is switched on by default, but on some platforms this needs a regulator enable. Move to using mux-controls so that both the gpio and regulators can be driven correctly, rather than adding regulator handing in the codec. This patch adds required bindings to add such mux controls. Signed-off-by: Srinivas Kandagatla --- Documentation/devicetree/bindings/sound/qcom,wcd938x.yaml | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd938x.yaml b/Do= cumentation/devicetree/bindings/sound/qcom,wcd938x.yaml index 10531350c336..e7aa00a9c59a 100644 --- a/Documentation/devicetree/bindings/sound/qcom,wcd938x.yaml +++ b/Documentation/devicetree/bindings/sound/qcom,wcd938x.yaml @@ -23,8 +23,13 @@ properties: - qcom,wcd9380-codec - qcom,wcd9385-codec =20 + mux-controls: + description: A reference to the audio mux switch for + switching CTIA/OMTP Headset types + us-euro-gpios: - description: GPIO spec for swapping gnd and mic segments + description: GPIO spec for swapping gnd and mic segments. + This property is considered obsolete, recommended to use mux-control= s. maxItems: 1 =20 required: --=20 2.39.5