From: Kuninori Morimoto <kuninori.morimoto.gx@gmail.com>
To: linux-sh@vger.kernel.org
Subject: [PATCH 09/12 v2] ARM: shmobile: lager: Sound DMA support via DVC on DTS
Date: Fri, 31 Oct 2014 00:26:51 +0000 [thread overview]
Message-ID: <87k33h2ies.wl%kuninori.morimoto.gx@gmail.com> (raw)
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
DMA transfer uses DVC
DMA DMApp
[MEM] -> [SRC] -> [DVC] -> [SSIU] -> [SSI]
DMA DMApp
[MEM] <- [DVC] <- [SRC] <- [SSIU] <- [SSI]
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
---
v1 -> v2
- no change
arch/arm/boot/dts/r8a7790-lager.dts | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
index 06365de..7aab833 100644
--- a/arch/arm/boot/dts/r8a7790-lager.dts
+++ b/arch/arm/boot/dts/r8a7790-lager.dts
@@ -19,6 +19,13 @@
* This command is required when Playback/Capture
*
* amixer set "LINEOUT Mixer DACL" on
+ * amixer set "DVC Out" 100%
+ * amixer set "DVC In" 100%
+ *
+ * You can use Mute
+ *
+ * amixer set "DVC Out Mute" on
+ * amixer set "DVC In Mute" on
*/
/dts-v1/;
@@ -567,8 +574,8 @@
rcar_sound,dai {
dai0 {
- playback = <&ssi0 &src2>;
- capture = <&ssi1 &src3>;
+ playback = <&ssi0 &src2 &dvc0>;
+ capture = <&ssi1 &src3 &dvc1>;
};
};
};
--
1.7.9.5
reply other threads:[~2014-10-31 0:26 UTC|newest]
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