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author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2014-11-11 04:36:47 (GMT) |
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committer | Simon Horman <horms+renesas@verge.net.au> | 2014-11-19 00:22:11 (GMT) |
commit | bd2e4a62ef68b3c5a8542026533bd87c631c544d (patch) | |
tree | a94ca7bff209f19c05da25d051954cff43ca9388 /arch/arm | |
parent | 3f58c54bd027b42099d59e5ea0521f7b39d82e15 (diff) | |
download | linux-bd2e4a62ef68b3c5a8542026533bd87c631c544d.tar.xz |
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>
Diffstat (limited to 'arch/arm')
-rw-r--r-- | arch/arm/boot/dts/r8a7790-lager.dts | 9 |
1 files changed, 9 insertions, 0 deletions
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/; |