UCM config: To use PeriodFrames 512
The cras may use the default little period_size which is query from
kernel sound, For example, the period_size by default may be 256,
hence, when we playback a wav which is 44100Hz, the DMA needs to
callback per 256/44100~5.8ms, it is easy interrupted by other kernel
thread, we would like increase the period_size to reduce the callback
times of the DMA.
BUG=chrome-os-partner:55555
TEST=It sounds like playback more smoothly
Change-Id: I08310933dda7d215a74ae39fa329b15b45720664
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Reviewed-on: https://chromium-review.googlesource.com/364421
Reviewed-by: Cheng-Yi Chiang <cychiang@chromium.org>
Commit-Queue: Wonjoon Lee <woojoo.lee@samsung.com>
1 file changed
