shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-07 19:30:30 +09:00
Code Issues Packages Projects Releases Wiki Activity

ASoC: rockchip: vad: add judgement for vad stop

Browse Source 
This patch add the judgement for vad stop, do nothing
if vad was stopped.

Change-Id: Iea9fa635d38644335ba30c821460c11d8526a7a6
Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
This commit is contained in:
Sugar Zhang
2018-08-24 11:42:18 +08:00
committed by Tao Huang
parent 6e1f2fba64
commit dccb11bc4c
1 changed files with 4 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
sound/soc/rockchip/rockchip_vad.c
View File

@@ -81,6 +81,10 @@ static int rockchip_vad_stop(struct rockchip_vad *vad)
struct vad_buf *vbuf = &vad->vbuf;
struct vad_params *params = &vad->params;
regmap_read(vad->regmap, VAD_CTRL, &val);
if ((val & VAD_EN_MASK) == VAD_DISABLE)
return 0;
regmap_update_bits(vad->regmap, VAD_CTRL, VAD_EN_MASK, VAD_DISABLE);
regmap_read(vad->regmap, VAD_RAM_END_ADDR, &val);
vbuf->end = vbuf->begin + (val - vad->memphy) + 0x8;