From 7a479b02843c8d78ef51a64d1168592258440c97 Mon Sep 17 00:00:00 2001 From: Axel Lin Date: Tue, 23 Nov 2010 14:14:07 +0800 Subject: [PATCH] ASoC: Do not update the cache if write to hardware failed Signed-off-by: Axel Lin Acked-by: Peter Ujfalusi Acked-by: Liam Girdwood Signed-off-by: Mark Brown --- sound/soc/codecs/tpa6130a2.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sound/soc/codecs/tpa6130a2.c b/sound/soc/codecs/tpa6130a2.c index ee4fb201de6..d2c24309567 100644 --- a/sound/soc/codecs/tpa6130a2.c +++ b/sound/soc/codecs/tpa6130a2.c @@ -78,8 +78,10 @@ static int tpa6130a2_i2c_write(int reg, u8 value) if (data->power_state) { val = i2c_smbus_write_byte_data(tpa6130a2_client, reg, value); - if (val < 0) + if (val < 0) { dev_err(&tpa6130a2_client->dev, "Write failed\n"); + return val; + } } /* Either powered on or off, we save the context */ -- 2.20.1