[alsa-devel] [PATCH] ASoC: Added PCM short and long frame sync formats

[Omair Mohammed Abdullah]

The PCM short frame sync sends a short (1 clock length) sync signal before the
MSB of data. The PCM long frame sync sends a 1 word length sync signal along
with the data.

Signed-off-by: Omair Mohammed Abdullah <omair.m.abdullah at linux.intel.com>
---
 include/sound/soc-dai.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h
index c429f24..dc94b25 100644
--- a/include/sound/soc-dai.h
+++ b/include/sound/soc-dai.h
@@ -32,6 +32,8 @@ struct snd_soc_dapm_widget;
 #define SND_SOC_DAIFMT_DSP_B		5 /* L data MSB during FRM LRC */
 #define SND_SOC_DAIFMT_AC97		6 /* AC97 */
 #define SND_SOC_DAIFMT_PDM		7 /* Pulse density modulation */
+#define SND_SOC_DAIFMT_SHORT_SYNC	8 /* FRM for 1 clock before MSB */
+#define SND_SOC_DAIFMT_LONG_SYNC	9 /* FRM for 1 word starting with MSB */
 
 /* left and right justified also known as MSB and LSB respectively */
 #define SND_SOC_DAIFMT_MSB		SND_SOC_DAIFMT_LEFT_J
-- 
1.7.4.1