linux-kernel - Re: [PATCH v3 3/5] ASoC: dt-bindings: qcom,wsa8840: Add reset-gpios for shared line

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Date: Tue, 16 Jan 2024 12:27:17 -0600
From: Rob Herring <robh@...nel.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Bjorn Andersson <andersson@...nel.org>, linux-arm-msm@...r.kernel.org,
	linux-sound@...r.kernel.org, Philipp Zabel <p.zabel@...gutronix.de>,
	Banajit Goswami <bgoswami@...cinc.com>, alsa-devel@...a-project.org,
	Bartosz Golaszewski <brgl@...ev.pl>,
	Sean Anderson <sean.anderson@...o.com>,
	Rob Herring <robh+dt@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	Konrad Dybcio <konrad.dybcio@...aro.org>,
	linux-kernel@...r.kernel.org, Conor Dooley <conor+dt@...nel.org>,
	Mark Brown <broonie@...nel.org>, Takashi Iwai <tiwai@...e.com>,
	devicetree@...r.kernel.org,
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Jaroslav Kysela <perex@...ex.cz>, Peter Rosin <peda@...ntia.se>,
	linux-i2c@...r.kernel.org
Subject: Re: [PATCH v3 3/5] ASoC: dt-bindings: qcom,wsa8840: Add reset-gpios
 for shared line


On Fri, 12 Jan 2024 17:36:06 +0100, Krzysztof Kozlowski wrote:
> On newer Qualcomm platforms, like X1E80100-CRD, the WSA884x speakers
> share SD_N GPIOs between two speakers, thus a coordinated assertion is
> needed.  Linux supports handling shared GPIO lines through "reset-gpios"
> property, thus allow specifying either powerdown or reset GPIOs (these
> are the same).
> 
> Cc: Bartosz Golaszewski <brgl@...ev.pl>
> Cc: Sean Anderson <sean.anderson@...o.com>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> 
> ---
> 
> If previous patches are fine, then this commit is independent and could
> be taken via ASoC.
> ---
>  .../devicetree/bindings/sound/qcom,wsa8840.yaml       | 11 ++++++++++-
>  1 file changed, 10 insertions(+), 1 deletion(-)
> 

Acked-by: Rob Herring <robh@...nel.org>