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ASoC: wcd937x: Fix pop after PDR

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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
parent 53b4e14f94
commit 79da9fb84a
2 changed files with 6 additions and 0 deletions
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1
asoc/codecs/wcd937x/internal.h
View File

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

5
asoc/codecs/wcd937x/wcd937x.c
View File

@@ -1246,6 +1246,11 @@ static int wcd937x_event_notify(struct notifier_block *block,
mask = 0x20;
snd_soc_update_bits(codec, reg, mask, 0x00);
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:
wcd937x_reset_low(wcd937x->dev);
break;