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Commit bd720ecf authored by Chen-Yu Tsai's avatar Chen-Yu Tsai Committed by Mark Brown
Browse files

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: default avatarChen-Yu Tsai <wens@csie.org>
Acked-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 2f2a3462

sound/soc/sunxi/sun4i-codec.c

+11 −3
Original line number Diff line number Diff line
@@ -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 {