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charset="utf-8" The IEC958 subframe format SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE are used in HDMI and DisplayPort to describe the audio stream, but hardware device may need to reorder the IEC958 bits for internal transmission, so need these standard bits definitions for IEC958 subframe format. Signed-off-by: Shengjiu Wang Reviewed-by: Takashi Iwai Tested-by: Alexander Stein --- include/sound/asoundef.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/sound/asoundef.h b/include/sound/asoundef.h index 09b2c3dffb30..c4a929d4fd51 100644 --- a/include/sound/asoundef.h +++ b/include/sound/asoundef.h @@ -12,6 +12,15 @@ * Digital audio interface * * = * *************************************************************************= ***/ +/* IEC958 subframe format */ +#define IEC958_SUBFRAME_PREAMBLE_MASK (0xfU) +#define IEC958_SUBFRAME_AUXILIARY_MASK (0xfU << 4) +#define IEC958_SUBFRAME_SAMPLE_24_MASK (0xffffffU << 4) +#define IEC958_SUBFRAME_SAMPLE_20_MASK (0xfffffU << 8) +#define IEC958_SUBFRAME_VALIDITY (0x1U << 28) +#define IEC958_SUBFRAME_USER_DATA (0x1U << 29) +#define IEC958_SUBFRAME_CHANNEL_STATUS (0x1U << 30) +#define IEC958_SUBFRAME_PARITY (0x1U << 31) =20 /* AES/IEC958 channel status bits */ #define IEC958_AES0_PROFESSIONAL (1<<0) /* 0 =3D consumer, 1 =3D professio= nal */ --=20 2.34.1