diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0374-ASoC-tlv320aic32x4-Add-Playback-PowerTune-Controls.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0374-ASoC-tlv320aic32x4-Add-Playback-PowerTune-Controls.patch | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0374-ASoC-tlv320aic32x4-Add-Playback-PowerTune-Controls.patch b/target/linux/brcm2708/patches-4.19/950-0374-ASoC-tlv320aic32x4-Add-Playback-PowerTune-Controls.patch new file mode 100644 index 0000000000..98514255df --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0374-ASoC-tlv320aic32x4-Add-Playback-PowerTune-Controls.patch @@ -0,0 +1,52 @@ +From 6e5099288c946037476abd1488e4c7ab6b818e2b Mon Sep 17 00:00:00 2001 +From: Annaliese McDermond <nh6z@nh6z.net> +Date: Wed, 3 Apr 2019 21:01:55 -0700 +Subject: [PATCH] ASoC: tlv320aic32x4: Add Playback PowerTune Controls + +commit d3e6e374566e1154820a9a3dc82f7eef646fcf95 upstream. + +PowerTune controls the power level of the chip. On playback this +indirectly controls things like the gain of the various output +amplifiers. This can allow for the decrease of output levels +from the codec. This adds controls for those power levels to +the driver. + +Signed-off-by: Annaliese McDermond <nh6z@nh6z.net> +Signed-off-by: Mark Brown <broonie@kernel.org> +--- + sound/soc/codecs/tlv320aic32x4.c | 9 +++++++++ + sound/soc/codecs/tlv320aic32x4.h | 2 ++ + 2 files changed, 11 insertions(+) + +--- a/sound/soc/codecs/tlv320aic32x4.c ++++ b/sound/soc/codecs/tlv320aic32x4.c +@@ -248,9 +248,18 @@ static const char * const lo_cm_text[] = + + static SOC_ENUM_SINGLE_DECL(lo_cm_enum, AIC32X4_CMMODE, 3, lo_cm_text); + ++static const char * const ptm_text[] = { ++ "P3", "P2", "P1", ++}; ++ ++static SOC_ENUM_SINGLE_DECL(l_ptm_enum, AIC32X4_LPLAYBACK, 2, ptm_text); ++static SOC_ENUM_SINGLE_DECL(r_ptm_enum, AIC32X4_RPLAYBACK, 2, ptm_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), ++ SOC_ENUM("DAC Left Playback PowerTune Switch", l_ptm_enum), ++ SOC_ENUM("DAC Right Playback PowerTune Switch", r_ptm_enum), + SOC_DOUBLE_R_S_TLV("HP Driver Gain Volume", AIC32X4_HPLGAIN, + AIC32X4_HPRGAIN, 0, -0x6, 0x1d, 5, 0, + tlv_driver_gain), +--- a/sound/soc/codecs/tlv320aic32x4.h ++++ b/sound/soc/codecs/tlv320aic32x4.h +@@ -78,6 +78,8 @@ int aic32x4_register_clocks(struct devic + + #define AIC32X4_PWRCFG AIC32X4_REG(1, 1) + #define AIC32X4_LDOCTL AIC32X4_REG(1, 2) ++#define AIC32X4_LPLAYBACK AIC32X4_REG(1, 3) ++#define AIC32X4_RPLAYBACK AIC32X4_REG(1, 4) + #define AIC32X4_OUTPWRCTL AIC32X4_REG(1, 9) + #define AIC32X4_CMMODE AIC32X4_REG(1, 10) + #define AIC32X4_HPLROUTE AIC32X4_REG(1, 12) |