From 7a479b02843c8d78ef51a64d1168592258440c97 Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@gmail.com>
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 <axel.lin@gmail.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
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 ee4fb201de60c..d2c2430956730 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 */
--
2.30.2