diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0373-ASoC-tlv320aic32x4-Add-Switch-for-Setting-Common-Mod.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0373-ASoC-tlv320aic32x4-Add-Switch-for-Setting-Common-Mod.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0373-ASoC-tlv320aic32x4-Add-Switch-for-Setting-Common-Mod.patch b/target/linux/brcm2708/patches-4.19/950-0373-ASoC-tlv320aic32x4-Add-Switch-for-Setting-Common-Mod.patch new file mode 100644 index 0000000000..1d57237059 --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0373-ASoC-tlv320aic32x4-Add-Switch-for-Setting-Common-Mod.patch @@ -0,0 +1,40 @@ +From 0962637c67a56c1ae42ccb14c9e71c62f4aa1403 Mon Sep 17 00:00:00 2001 +From: Annaliese McDermond <nh6z@nh6z.net> +Date: Wed, 3 Apr 2019 21:01:54 -0700 +Subject: [PATCH] ASoC: tlv320aic32x4: Add Switch for Setting Common + Mode Voltage + +commit 44ceee847e27c828f2f1ef4e400e6bc0c8d04de3 upstream. + +Add a switch for setting common mode voltage. This can allow +for higher drive levels on the amplifier outputs. + +Signed-off-by: Annaliese McDermond <nh6z@nh6z.net> +Signed-off-by: Mark Brown <broonie@kernel.org> +--- + sound/soc/codecs/tlv320aic32x4.c | 7 +++++++ + 1 file changed, 7 insertions(+) + +--- a/sound/soc/codecs/tlv320aic32x4.c ++++ b/sound/soc/codecs/tlv320aic32x4.c +@@ -242,6 +242,12 @@ static DECLARE_TLV_DB_SCALE(tlv_driver_g + /* -12dB min, 0.5dB steps */ + static DECLARE_TLV_DB_SCALE(tlv_adc_vol, -1200, 50, 0); + ++static const char * const lo_cm_text[] = { ++ "Full Chip", "1.65V", ++}; ++ ++static SOC_ENUM_SINGLE_DECL(lo_cm_enum, AIC32X4_CMMODE, 3, lo_cm_text); ++ + static const struct snd_kcontrol_new aic32x4_snd_controls[] = { + SOC_DOUBLE_R_S_TLV("PCM Playback Volume", AIC32X4_LDACVOL, + AIC32X4_RDACVOL, 0, -0x7f, 0x30, 7, 0, tlv_pcm), +@@ -255,6 +261,7 @@ static const struct snd_kcontrol_new aic + AIC32X4_HPRGAIN, 6, 0x01, 1), + SOC_DOUBLE_R("LO DAC Playback Switch", AIC32X4_LOLGAIN, + AIC32X4_LORGAIN, 6, 0x01, 1), ++ SOC_ENUM("LO Playback Common Mode Switch", lo_cm_enum), + SOC_DOUBLE_R("Mic PGA Switch", AIC32X4_LMICPGAVOL, + AIC32X4_RMICPGAVOL, 7, 0x01, 1), + |