diff options
| author | Chen-Yu Tsai <wens@csie.org> | 2016-11-03 15:55:45 +0800 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-11-03 14:26:04 -0600 |
| commit | bd720ecf4ec6923207b4059ff4b4a43ee25ac891 (patch) | |
| tree | 2430abf5b887f7e93e2ab6605278d435d2739fb4 /sound/soc/sunxi | |
| parent | 2f2a3462bc15e9613412ca186bf8a6611afa66c7 (diff) | |
| download | linux-bd720ecf4ec6923207b4059ff4b4a43ee25ac891.tar.bz2 | |
ASoC: sun4i-codec: Revise comments for register definition macros
This revises existing comments in the register definition macros
section, and adds a few more, so that readers can clearly identify
the types of control registers.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/sunxi')
| -rw-r--r-- | sound/soc/sunxi/sun4i-codec.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c index 7b78f4045d38..969d86b4cd44 100644 --- a/sound/soc/sunxi/sun4i-codec.c +++ b/sound/soc/sunxi/sun4i-codec.c @@ -38,7 +38,7 @@ #include <sound/initval.h> #include <sound/dmaengine_pcm.h> -/* Codec DAC register offsets and bit fields */ +/* Codec DAC digital controls and FIFO registers */ #define SUN4I_CODEC_DAC_DPC (0x00) #define SUN4I_CODEC_DAC_DPC_EN_DA (31) #define SUN4I_CODEC_DAC_DPC_DVOL (12) @@ -55,6 +55,8 @@ #define SUN4I_CODEC_DAC_FIFOC_FIFO_FLUSH (0) #define SUN4I_CODEC_DAC_FIFOS (0x08) #define SUN4I_CODEC_DAC_TXDATA (0x0c) + +/* Codec DAC side analog signal controls */ #define SUN4I_CODEC_DAC_ACTL (0x10) #define SUN4I_CODEC_DAC_ACTL_DACAENR (31) #define SUN4I_CODEC_DAC_ACTL_DACAENL (30) @@ -69,7 +71,7 @@ #define SUN4I_CODEC_DAC_TUNE (0x14) #define SUN4I_CODEC_DAC_DEBUG (0x18) -/* Codec ADC register offsets and bit fields */ +/* Codec ADC digital controls and FIFO registers */ #define SUN4I_CODEC_ADC_FIFOC (0x1c) #define SUN4I_CODEC_ADC_FIFOC_ADC_FS (29) #define SUN4I_CODEC_ADC_FIFOC_EN_AD (28) @@ -81,6 +83,8 @@ #define SUN4I_CODEC_ADC_FIFOC_FIFO_FLUSH (0) #define SUN4I_CODEC_ADC_FIFOS (0x20) #define SUN4I_CODEC_ADC_RXDATA (0x24) + +/* Codec ADC side analog signal controls */ #define SUN4I_CODEC_ADC_ACTL (0x28) #define SUN4I_CODEC_ADC_ACTL_ADC_R_EN (31) #define SUN4I_CODEC_ADC_ACTL_ADC_L_EN (30) @@ -93,10 +97,14 @@ #define SUN4I_CODEC_ADC_ACTL_DDE (3) #define SUN4I_CODEC_ADC_DEBUG (0x2c) -/* Other various ADC registers */ +/* FIFO counters */ #define SUN4I_CODEC_DAC_TXCNT (0x30) #define SUN4I_CODEC_ADC_RXCNT (0x34) + +/* Calibration register (sun7i only) */ #define SUN7I_CODEC_AC_DAC_CAL (0x38) + +/* Microphone controls (sun7i only) */ #define SUN7I_CODEC_AC_MIC_PHONE_CAL (0x3c) struct sun4i_codec { |