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Raven" Date: Thu, 14 Nov 2024 12:01:26 +0100 Subject: [PATCH v2 2/2] ASoC: dt-bindings: simple-mux: add idle-state property Precedence: bulk X-Mailing-List: linux-sound@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241114-simple-mux-idle-state-v2-2-a30cb37d2be2@merzmedtech.de> References: <20241114-simple-mux-idle-state-v2-0-a30cb37d2be2@merzmedtech.de> In-Reply-To: <20241114-simple-mux-idle-state-v2-0-a30cb37d2be2@merzmedtech.de> To: Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alexandre Belloni Cc: linux-sound@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, "Hendrik v. Raven" X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1401; i=h.v.raven@merzmedtech.de; h=from:subject:message-id; bh=sOIKMyPbWIG0Poeysyr0+AYJjRTNBgvPpZH6foQNaJk=; b=owEBzQIy/ZANAwAKAQP8mG1lSaY7AcsmYgBnNdiMcDABgsb+/G2G3pOUZmMSP2mj5v6uLq8Mk y5nKLftdiWJApMEAAEKAH0WIQRfy2xFNGjRY609IOcD/JhtZUmmOwUCZzXYjF8UgAAAAAAuAChp c3N1ZXItZnByQG5vdGF0aW9ucy5vcGVucGdwLmZpZnRoaG9yc2VtYW4ubmV0NUZDQjZDNDUzNDY 4RDE2M0FEM0QyMEU3MDNGQzk4NkQ2NTQ5QTYzQgAKCRAD/JhtZUmmO/qwD/9zouXzECH6g1oPjm vps0H7wpNcRCZr2wi5JAyB9n55k1jFQ8QCqc55li/YKTli5ARGMvORO+LGJfxD4E5o36QDLlyMj 9FZRBTZraJUWcqEwj1EXOib80tBASgZNzdaF+qK6UR2M39oPkWF56zcDV5GyYQAkpQqN00fEx/p OSawB29Rd/feUFtRku836MuFISX0CjxuHJbOx8NKaZJAatDJdearAho21Z7O6g5c7sGX0vCA58S WJDrY0UlbzozvoM9baYBeqJFbdhT2NHBqqR4B/qdIn5U6q7IsifN7/Itfuoubm9/W4UGkFIH07B eNgoAbj/Kc2rwH1y88UBaUCCy5hRzfdUkAh3ooEM61/FykCY+oEKJttgQTRkpjlcf74axd3fUCs xFuZM2OQfhr+z+NOCAWWh2cLFSQCzb1mwWRuyhGnigabgC03paJftuz+VWNjY0/lTn/nBp5PEL3 wqQe0g6Zg0Q36/w25nuUnM5V4nJ05C1iXWwLM6a9YDxm0D/o5mshAJfkjbf3hRYeszuGETRMHGV EIwLuzectoYJazpj4iY4azQQ9kzaWlV7d5QPyFPlMJVBrA3K0fReScjqVhxLR9nkW3hTPPnh+19 o1NerlBSxkAFQs7nm1Y6kgm54TnC6BDUpvVJDVMVRt7oKQzr1BDOe7/sJhib1KMcy25A== X-Developer-Key: i=h.v.raven@merzmedtech.de; a=openpgp; fpr=7A67B9A9F57B4F324AB6B8EB045B81F5FB5BA3AE X-purgate-original-type: suspect.url-count X-purgate-type: clean X-purgate-Ad: Categorized by eleven eXpurgate (R) https://www.eleven.de X-purgate: This mail is considered clean (visit https://www.eleven.de for further information) X-purgate: clean X-purgate-size: 1403 X-purgate-ID: 155922::1731582094-1D5D8432-FA75ECAB/2/61233497599 simple-mux immediately activates the new output, even when it is powered down. This can be undesirable in some cases, for example when a mechanical relais is used. Adds "idle-state" property from the mux controller to select the output state to be used when the mux is powered down. Signed-off-by: Hendrik v. Raven --- Changes in v2: - No changes --- Documentation/devicetree/bindings/sound/simple-audio-mux.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/simple-audio-mux.yaml b/Documentation/devicetree/bindings/sound/simple-audio-mux.yaml index 194ac1d4f4f5f40a9bc44e8cd0acbf2eab708365..9b1bda4852e160618ffd349d2f7c90645d5b3e03 100644 --- a/Documentation/devicetree/bindings/sound/simple-audio-mux.yaml +++ b/Documentation/devicetree/bindings/sound/simple-audio-mux.yaml @@ -29,6 +29,10 @@ properties: $ref: /schemas/types.yaml#/definitions/string-array maxItems: 2 + idle-state: + description: If present specifies the state when the mux is powered down + $ref: /schemas/mux/mux-controller.yaml#/properties/idle-state + sound-name-prefix: true required: @@ -43,4 +47,5 @@ examples: compatible = "simple-audio-mux"; mux-gpios = <&gpio 3 0>; state-labels = "Label_A", "Label_B"; + idle-state = <0>; };