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| author |   Mengdong Lin <mengdong.lin@linux.intel.com> | 2016-09-29 14:09:14 +0800 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2016-10-21 12:07:03 +0100 |
| commit | d2e3cb85a9c5824fab237ee4577250d0c76969fe (patch) | |
| tree | de78836e1aa58c772838b7776b9e7b84683ca896 /include/uapi/sound | |
| parent | Linux 4.9-rc1 (diff) | |
| download | linux-dev-d2e3cb85a9c5824fab237ee4577250d0c76969fe.tar.xz linux-dev-d2e3cb85a9c5824fab237ee4577250d0c76969fe.zip | |
ASoC: topology: ABI - Define DAI physical PCM data formats
Define DAI physical PCM data formats for user space, so users can
configure the formats of backends by topology (e.g. the DAI format
to set on backend link init).
The kernel will also refer to these formats.
Signed-off-by: Mengdong Lin <mengdong.lin@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/uapi/sound')
| -rw-r--r-- | include/uapi/sound/asoc.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/uapi/sound/asoc.h b/include/uapi/sound/asoc.h index 33d00a4ce656..8d9814b17c46 100644 --- a/include/uapi/sound/asoc.h +++ b/include/uapi/sound/asoc.h @@ -130,6 +130,21 @@ #define SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_CHANNELS (1 << 1) #define SND_SOC_TPLG_DAI_FLGBIT_SYMMETRIC_SAMPLEBITS (1 << 2) +/* DAI physical PCM data formats. + * Add new formats to the end of the list. + */ +#define SND_SOC_DAI_FORMAT_I2S 1 /* I2S mode */ +#define SND_SOC_DAI_FORMAT_RIGHT_J 2 /* Right Justified mode */ +#define SND_SOC_DAI_FORMAT_LEFT_J 3 /* Left Justified mode */ +#define SND_SOC_DAI_FORMAT_DSP_A 4 /* L data MSB after FRM LRC */ +#define SND_SOC_DAI_FORMAT_DSP_B 5 /* L data MSB during FRM LRC */ +#define SND_SOC_DAI_FORMAT_AC97 6 /* AC97 */ +#define SND_SOC_DAI_FORMAT_PDM 7 /* Pulse density modulation */ + +/* left and right justified also known as MSB and LSB respectively */ +#define SND_SOC_DAI_FORMAT_MSB SND_SOC_DAI_FORMAT_LEFT_J +#define SND_SOC_DAI_FORMAT_LSB SND_SOC_DAI_FORMAT_RIGHT_J + /* * Block Header. * This header precedes all object and object arrays below. |