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Date: Mon, 17 Feb 2020 15:17:53 +0800 From: Chen-Yu Tsai <wens@...e.org> To: Samuel Holland <samuel@...lland.org> Cc: Mark Brown <broonie@...nel.org>, Liam Girdwood <lgirdwood@...il.com>, Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>, Maxime Ripard <mripard@...nel.org>, Vasily Khoruzhick <anarsoul@...il.com>, Luca Weiss <luca@...tu.xyz>, Linux-ALSA <alsa-devel@...a-project.org>, linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>, linux-kernel <linux-kernel@...r.kernel.org> Subject: Re: [PATCH 5/8] ASoC: sun50i-codec-analog: Enable DAPM for headphone switch On Mon, Feb 17, 2020 at 10:18 AM Samuel Holland <samuel@...lland.org> wrote: > > By including the headphone mute switch to the DAPM graph, both the > headphone amplifier and the Mixer/DAC inputs can be powered off when > the headphones are muted. > > The mute switch is between the source selection and the amplifier, > as per the diagram in the SoC manual. > > Signed-off-by: Samuel Holland <samuel@...lland.org> Reviewed-by: Chen-Yu Tsai <wens@...e.org> BTW, have you also considered tying in the headphone volume control? It also has a mute setting. ChenYu
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