diff options
Diffstat (limited to 'Documentation/sound/alsa/soc/DAI.txt')
-rw-r--r-- | Documentation/sound/alsa/soc/DAI.txt | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Documentation/sound/alsa/soc/DAI.txt b/Documentation/sound/alsa/soc/DAI.txt index 3feeb9ecdec4..0ebd7ea9706c 100644 --- a/Documentation/sound/alsa/soc/DAI.txt +++ b/Documentation/sound/alsa/soc/DAI.txt | |||
@@ -1,5 +1,5 @@ | |||
1 | ASoC currently supports the three main Digital Audio Interfaces (DAI) found on | 1 | ASoC currently supports the three main Digital Audio Interfaces (DAI) found on |
2 | SoC controllers and portable audio CODECS today, namely AC97, I2S and PCM. | 2 | SoC controllers and portable audio CODECs today, namely AC97, I2S and PCM. |
3 | 3 | ||
4 | 4 | ||
5 | AC97 | 5 | AC97 |
@@ -25,7 +25,7 @@ left/right clock (LRC) synchronise the link. I2S is flexible in that either the | |||
25 | controller or CODEC can drive (master) the BCLK and LRC clock lines. Bit clock | 25 | controller or CODEC can drive (master) the BCLK and LRC clock lines. Bit clock |
26 | usually varies depending on the sample rate and the master system clock | 26 | usually varies depending on the sample rate and the master system clock |
27 | (SYSCLK). LRCLK is the same as the sample rate. A few devices support separate | 27 | (SYSCLK). LRCLK is the same as the sample rate. A few devices support separate |
28 | ADC and DAC LRCLK's, this allows for simultaneous capture and playback at | 28 | ADC and DAC LRCLKs, this allows for simultaneous capture and playback at |
29 | different sample rates. | 29 | different sample rates. |
30 | 30 | ||
31 | I2S has several different operating modes:- | 31 | I2S has several different operating modes:- |
@@ -35,7 +35,7 @@ I2S has several different operating modes:- | |||
35 | 35 | ||
36 | o Left Justified - MSB is transmitted on transition of LRC. | 36 | o Left Justified - MSB is transmitted on transition of LRC. |
37 | 37 | ||
38 | o Right Justified - MSB is transmitted sample size BCLK's before LRC | 38 | o Right Justified - MSB is transmitted sample size BCLKs before LRC |
39 | transition. | 39 | transition. |
40 | 40 | ||
41 | PCM | 41 | PCM |