From: Rob Herring <robh@kernel.org>
To: Nicolin Chen <nicoleotsuka@gmail.com>
Cc: broonie@kernel.org, lgirdwood@gmail.com, brian.austin@cirrus.com,
Paul.Handrigan@cirrus.com, linux-kernel@vger.kernel.org,
alsa-devel@alsa-project.org, devicetree@vger.kernel.org,
mark.rutland@arm.com
Subject: Re: [PATCH] ASoC: cs53l30: Add MUTE pin control support via GPIO
Date: Tue, 21 Jun 2016 16:34:37 -0500 [thread overview]
Message-ID: <20160621213437.GA3571@rob-hp-laptop> (raw)
In-Reply-To: <1466474084-6775-1-git-send-email-nicoleotsuka@gmail.com>
On Mon, Jun 20, 2016 at 06:54:44PM -0700, Nicolin Chen wrote:
> The codec chip has a physical MUTE pin to let users control it via
> GPIO. So this patch add a mute control support to the driver.
>
> Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
> ---
> .../devicetree/bindings/sound/cs53l30.txt | 2 ++
> sound/soc/codecs/cs53l30.c | 30 ++++++++++++++++++++++
> sound/soc/codecs/cs53l30.h | 1 +
> 3 files changed, 33 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/sound/cs53l30.txt b/Documentation/devicetree/bindings/sound/cs53l30.txt
> index 18d6b99..6f7d3c8 100644
> --- a/Documentation/devicetree/bindings/sound/cs53l30.txt
> +++ b/Documentation/devicetree/bindings/sound/cs53l30.txt
> @@ -13,6 +13,8 @@ Optional properties:
>
> - reset-gpios : a GPIO spec for the reset pin.
>
> + - mute-gpios : a GPIO spec for the MUTE pin.
Please define the active state for the gpio.
> +
> - cirrus,micbias-lvl : Set the output voltage level on the MICBIAS Pin.
> 0 = Hi-Z
> 1 = 1.80 V
next prev parent reply other threads:[~2016-06-21 21:34 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-21 1:54 [PATCH] ASoC: cs53l30: Add MUTE pin control support via GPIO Nicolin Chen
2016-06-21 21:34 ` Rob Herring [this message]
2016-06-21 22:32 ` Nicolin Chen
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