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ASoC: wsa881x: fix wsa881x speaker damage

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wsa881x speaker damage has been reported due to DC at
wsa output. Add a register setting which will reset
the soundwire when there are any DC or synchronization issues.

CRs-Fixed: 2086505
Change-Id: Id2bfb876a5bace891befa613153a88ee54033d76
Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>
This commit is contained in:
Vatsal Bucha
2017-09-14 12:13:13 +05:30
parent 383f3df747
commit 83716b9a69
1 changed files with 2 additions and 0 deletions
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2
asoc/codecs/wsa881x.c
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@@ -968,6 +968,8 @@ static void wsa881x_init(struct snd_soc_codec *codec)
wsa881x->version = snd_soc_read(codec, WSA881X_CHIP_ID1);
wsa881x_regmap_defaults(wsa881x->regmap, wsa881x->version);
/* Enable software reset output from soundwire slave */
snd_soc_update_bits(codec, WSA881X_SWR_RESET_EN, 0x07, 0x07);
/* Bring out of analog reset */
snd_soc_update_bits(codec, WSA881X_CDC_RST_CTL, 0x02, 0x02);
/* Bring out of digital reset */