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[1/2] ARM: shmobile: lager: add Volume Ramp usage on comment

Message ID 87egta2w0y.wl%kuninori.morimoto.gx@renesas.com (mailing list archive)
State Accepted
Commit bd2e4a62ef68b3c5a8542026533bd87c631c544d
Delegated to: Simon Horman
Headers show

Commit Message

Kuninori Morimoto Nov. 11, 2014, 4:36 a.m. UTC 
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
---
 arch/arm/boot/dts/r8a7790-lager.dts |    9 +++++++++
 1 file changed, 9 insertions(+)
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Patch

diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
index 2f91740..a235158 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/;