diff options
Diffstat (limited to 'include/sound/soc-dai.h')
-rw-r--r-- | include/sound/soc-dai.h | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index 7a85a6f83ca8..4bf759f025d2 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -72,21 +72,29 @@ struct snd_compr_stream; #define SND_SOC_DAIFMT_IB_IF (4 << 8) /* invert BCLK + FRM */ /* - * DAI hardware clock masters. + * DAI hardware clock providers/consumers * * This is wrt the codec, the inverse is true for the interface - * i.e. if the codec is clk and FRM master then the interface is - * clk and frame secondary. + * i.e. if the codec is clk and FRM provider then the interface is + * clk and frame consumer. */ -#define SND_SOC_DAIFMT_CBM_CFM (1 << 12) /* codec clk & FRM master */ -#define SND_SOC_DAIFMT_CBS_CFM (2 << 12) /* codec clk secondary & FRM master */ -#define SND_SOC_DAIFMT_CBM_CFS (3 << 12) /* codec clk master & frame secondary */ -#define SND_SOC_DAIFMT_CBS_CFS (4 << 12) /* codec clk & FRM secondary */ - -#define SND_SOC_DAIFMT_FORMAT_MASK 0x000f -#define SND_SOC_DAIFMT_CLOCK_MASK 0x00f0 -#define SND_SOC_DAIFMT_INV_MASK 0x0f00 -#define SND_SOC_DAIFMT_MASTER_MASK 0xf000 +#define SND_SOC_DAIFMT_CBP_CFP (1 << 12) /* codec clk provider & frame provider */ +#define SND_SOC_DAIFMT_CBC_CFP (2 << 12) /* codec clk consumer & frame provider */ +#define SND_SOC_DAIFMT_CBP_CFC (3 << 12) /* codec clk provider & frame consumer */ +#define SND_SOC_DAIFMT_CBC_CFC (4 << 12) /* codec clk consumer & frame follower */ + +/* previous definitions kept for backwards-compatibility, do not use in new contributions */ +#define SND_SOC_DAIFMT_CBM_CFM SND_SOC_DAIFMT_CBP_CFP +#define SND_SOC_DAIFMT_CBS_CFM SND_SOC_DAIFMT_CBC_CFP +#define SND_SOC_DAIFMT_CBM_CFS SND_SOC_DAIFMT_CBP_CFC +#define SND_SOC_DAIFMT_CBS_CFS SND_SOC_DAIFMT_CBC_CFC + +#define SND_SOC_DAIFMT_FORMAT_MASK 0x000f +#define SND_SOC_DAIFMT_CLOCK_MASK 0x00f0 +#define SND_SOC_DAIFMT_INV_MASK 0x0f00 +#define SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK 0xf000 + +#define SND_SOC_DAIFMT_MASTER_MASK SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK /* * Master Clock Directions |