From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Tue, 11 Nov 2014 04:36:47 +0000 (+0000)
Subject: ARM: shmobile: lager: add Volume Ramp usage on comment
X-Git-Tag: upstream/snapshot3+hdmi^2~6
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=44296d5f5776b676d34a37ec529528aec5c0fe61;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

ARM: shmobile: lager: add Volume Ramp usage on comment

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit bd2e4a62ef68b3c5a8542026533bd87c631c544d)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---

diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
index 0055c38..fac52a0 100644
--- a/arch/arm/boot/dts/r8a7790-lager.dts
+++ b/arch/arm/boot/dts/r8a7790-lager.dts
@@ -26,6 +26,15 @@
  *
  *	amixer set "DVC Out Mute" on
  *	amixer set "DVC In Mute" on
+ *
+ * You can use Volume Ramp
+ *
+ *	amixer set "DVC Out Ramp Up Rate"   "0.125 dB/64 steps"
+ *	amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps"
+ *	amixer set "DVC Out Ramp" on
+ *	aplay xxx.wav &
+ *	amixer set "DVC Out"  80%  // Volume Down
+ *	amixer set "DVC Out" 100%  // Volume Up
  */
 
 /dts-v1/;