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Diffstat (limited to 'Documentation/sound/alsa/soc/clocking.txt')
| -rw-r--r-- | Documentation/sound/alsa/soc/clocking.txt | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/sound/alsa/soc/clocking.txt b/Documentation/sound/alsa/soc/clocking.txt index 14930887c25..b1300162e01 100644 --- a/Documentation/sound/alsa/soc/clocking.txt +++ b/Documentation/sound/alsa/soc/clocking.txt @@ -13,7 +13,7 @@ or SYSCLK). This audio master clock can be derived from a number of sources (e.g. crystal, PLL, CPU clock) and is responsible for producing the correct audio playback and capture sample rates. -Some master clocks (e.g. PLL's and CPU based clocks) are configurable in that +Some master clocks (e.g. PLLs and CPU based clocks) are configurable in that their speed can be altered by software (depending on the system use and to save power). Other master clocks are fixed at a set frequency (i.e. crystals). @@ -41,11 +41,11 @@ BCLK = LRC * x BCLK = LRC * Channels * Word Size This relationship depends on the codec or SoC CPU in particular. In general -it's best to configure BCLK to the lowest possible speed (depending on your -rate, number of channels and wordsize) to save on power. +it is best to configure BCLK to the lowest possible speed (depending on your +rate, number of channels and word size) to save on power. -It's also desirable to use the codec (if possible) to drive (or master) the -audio clocks as it's usually gives more accurate sample rates than the CPU. +It is also desirable to use the codec (if possible) to drive (or master) the +audio clocks as it usually gives more accurate sample rates than the CPU. |