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ASoC: rsnd: add usage for SRC 

This patch add missing usage comment for SRC.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87zgy9z9es.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2021-04-08 13:29:15 +09:00 committed by Mark Brown
parent 15c57ce07c
commit 63346d3d2f
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1 changed files with 9 additions and 0 deletions
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sound/soc/sh/rcar/src.c
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@ -5,6 +5,15 @@
// Copyright (C) 2013 Renesas Solutions Corp. // Copyright (C) 2013 Renesas Solutions Corp.
// Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> // Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
/*
* You can use Synchronous Sampling Rate Convert (if no DVC)
*
* amixer set "SRC Out Rate" on
* aplay xxx.wav &
* amixer set "SRC Out Rate" 96000 // convert rate to 96000Hz
* amixer set "SRC Out Rate" 22050 // convert rate to 22050Hz
*/
/* /*
* you can enable below define if you don't need * you can enable below define if you don't need
* SSI interrupt status debug message when debugging * SSI interrupt status debug message when debugging