[alsa-devel] [PATCH] ASoC: wm8753: Add control to allow swapping HiFi DAC channels

Alexander Shiyan shc_work at mail.ru
Tue Dec 13 11:56:19 CET 2016


This patch adds a control to allow swapping HiFi DAC Left/Right channels.

Signed-off-by: Alexander Shiyan <shc_work at mail.ru>
---
 sound/soc/codecs/wm8753.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sound/soc/codecs/wm8753.c b/sound/soc/codecs/wm8753.c
index 9bdf544..d05d76e 100644
--- a/sound/soc/codecs/wm8753.c
+++ b/sound/soc/codecs/wm8753.c
@@ -280,6 +280,7 @@ static const DECLARE_TLV_DB_SCALE(voice_mix_tlv, -1200, 300, 0);
 static const DECLARE_TLV_DB_SCALE(pga_tlv, -1725, 75, 0);
 
 static const struct snd_kcontrol_new wm8753_snd_controls[] = {
+SOC_SINGLE("Hi-Fi DAC Left/Right channel Swap", WM8753_HIFI, 5, 1, 0),
 SOC_DOUBLE_R_TLV("PCM Volume", WM8753_LDAC, WM8753_RDAC, 0, 255, 0, dac_tlv),
 
 SOC_DOUBLE_R_TLV("ADC Capture Volume", WM8753_LADC, WM8753_RADC, 0, 255, 0,
@@ -1087,7 +1088,7 @@ static int wm8753_i2s_set_dai_fmt(struct snd_soc_codec *codec,
 {
 	u16 ioctl, hifi;
 
-	hifi = snd_soc_read(codec, WM8753_HIFI) & 0x011f;
+	hifi = snd_soc_read(codec, WM8753_HIFI) & 0x013f;
 	ioctl = snd_soc_read(codec, WM8753_IOCTL) & 0x00ae;
 
 	/* set master/slave audio interface */
-- 
2.4.9



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