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Date: Mon, 17 Feb 2020 15:20:47 +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 7/8] ASoC: sun50i-codec-analog: Enable DAPM for line out switch On Mon, Feb 17, 2020 at 10:18 AM Samuel Holland <samuel@...lland.org> wrote: > > By including the line out mute switch in the DAPM graph, the > Mixer/DAC inputs can be powered off when the line output is muted. > > The line outputs have an unusual routing scheme. The left side mute > switch is between the source selection and the amplifier, as usual. > The right side source selection comes *after* its amplifier (and > after the left side amplifier), and its mute switch controls > whichever source is currently selected. This matches the diagram in > the SoC manual. > > Signed-off-by: Samuel Holland <samuel@...lland.org> Reviewed-by: Chen-Yu Tsai <wens@...e.org>
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