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Diffstat (limited to 'arch/arm64/boot/dts/renesas/ulcb-kf.dtsi')
-rw-r--r--arch/arm64/boot/dts/renesas/ulcb-kf.dtsi18
1 files changed, 17 insertions, 1 deletions
diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 5c211ed83049..2a157d1efb3d 100644
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -4,8 +4,24 @@
*
* Copyright (C) 2017 Renesas Electronics Corp.
* Copyright (C) 2017 Cogent Embedded, Inc.
+ *
+ * Sample Audio settings:
+ *
+ * > amixer set "DVC Out" 1%
+ * > amixer set "DVC In" 20%
+ *
+ * // if you use xxxx-mix+split.dtsi
+ * > amixer -D hw:1 set "pcm3168a DAC1" 50%
+ * > amixer -D hw:1 set "pcm3168a DAC2" 50%
+ * > amixer -D hw:1 set "pcm3168a DAC3" 50%
+ * > amixer -D hw:1 set "pcm3168a DAC4" 50%
+ *
+ * // else
+ * > amixer -D hw:1 set "DAC1" 50%
+ * > amixer -D hw:1 set "DAC2" 50%
+ * > amixer -D hw:1 set "DAC3" 50%
+ * > amixer -D hw:1 set "DAC4" 50%
*/
-
/ {
aliases {
serial1 = &hscif0;