tree 0290ca3031c1ec04fca96fdb303f981f7aedcac0
parent 5564b14b88a5a34ea848732030fbc202a050daa6
author Cliff Cai <cliff.cai@analog.com> 1222525940 +0800
committer Takashi Iwai <tiwai@suse.de> 1223856990 +0200

ALSA: ASoC Blackfin: fix bug - Audio Latency on AD1981 with MMAP enabled

With MMAP enabled (DMA mode) on the AD1981, there is +/- 250ms of delay between
writing data to alsa and audio starts coming out of the AD1981.

Copy more data to local buffer before starting DMA

Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>