korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-04 01:24:12 +08:00
Code Issues Packages Projects Releases Wiki Activity

ASoC: rsnd: disable SRC.out only when stop timing

Browse Source 
Because SRC is connected to DMA and DMA want to keep dreq when stop
timing. This patch makes SRC stop SRC.out only when stop timing. And
it stops both SRC.out/SRC.in when quit timing

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2015-10-26 08:40:59 +00:00 committed by Mark Brown
parent 37447b46e8
commit b761bf272b
1 changed files with 16 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
sound/soc/sh/rcar/src.c
View File

@ -665,13 +665,27 @@ static int _rsnd_src_stop_gen2(struct rsnd_mod *mod)
{
rsnd_src_irq_disable_gen2(mod);
rsnd_mod_write(mod, SRC_CTRL, 0);
/*
* stop SRC output only
* see rsnd_src_quit_gen2
*/
rsnd_mod_write(mod, SRC_CTRL, 0x01);
rsnd_src_error_record_gen2(mod);
return rsnd_src_stop(mod);
}
static int rsnd_src_quit_gen2(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv)
{
/* stop both out/in */
rsnd_mod_write(mod, SRC_CTRL, 0);
return 0;
}
static void __rsnd_src_interrupt_gen2(struct rsnd_mod *mod,
struct rsnd_dai_stream *io)
{
@ -943,7 +957,7 @@ static struct rsnd_mod_ops rsnd_src_gen2_ops = {
.probe = rsnd_src_probe_gen2,
.remove = rsnd_src_remove_gen2,
.init = rsnd_src_init_gen2,
.quit = rsnd_src_quit,
.quit = rsnd_src_quit_gen2,
.start = rsnd_src_start_gen2,
.stop = rsnd_src_stop_gen2,
.hw_params = rsnd_src_hw_params,