samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
複製 0
程式碼 問題管理 合併請求 Actions Packages Projects 版本發佈 Wiki Activity

ASoC: wcd937x: Fix pop after PDR

瀏覽代碼 
Pop is heard after PDR is triggered. This is
because while device down PA is still on.
Disable PA before SSR device down to prevent pop.

Change-Id: I6bfe3e731bdf60fba8fee90ab39c03a0512006ce
Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>
This commit is contained in:
Vatsal Bucha
2018-11-13 19:49:34 +05:30
父節點 53b4e14f94
當前提交 79da9fb84a
共有 2 個文件被更改，包括 6 次插入 和 0 次删除
Download Patch File Download Diff File Expand all files Collapse all files

1
asoc/codecs/wcd937x/internal.h
查看文件

@@ -123,6 +123,7 @@ enum {
enum { enum {
BOLERO_WCD_EVT_TX_CH_HOLD_CLEAR = 1, BOLERO_WCD_EVT_TX_CH_HOLD_CLEAR = 1,
BOLERO_WCD_EVT_PA_OFF_PRE_SSR,
BOLERO_WCD_EVT_SSR_DOWN, BOLERO_WCD_EVT_SSR_DOWN,
BOLERO_WCD_EVT_SSR_UP, BOLERO_WCD_EVT_SSR_UP,
}; };

5
asoc/codecs/wcd937x/wcd937x.c
查看文件

@@ -1246,6 +1246,11 @@ static int wcd937x_event_notify(struct notifier_block *block,
mask = 0x20; mask = 0x20;
snd_soc_update_bits(codec, reg, mask, 0x00); snd_soc_update_bits(codec, reg, mask, 0x00);
break; break;
case BOLERO_WCD_EVT_PA_OFF_PRE_SSR:
snd_soc_update_bits(codec, WCD937X_ANA_HPH, 0xC0, 0x00);
snd_soc_update_bits(codec, WCD937X_ANA_EAR, 0x80, 0x00);
snd_soc_update_bits(codec, WCD937X_AUX_AUXPA, 0x80, 0x00);
break;
case BOLERO_WCD_EVT_SSR_DOWN: case BOLERO_WCD_EVT_SSR_DOWN:
wcd937x_reset_low(wcd937x->dev); wcd937x_reset_low(wcd937x->dev);
break; break;