From: Axel Lin <axel.lin@gmail.com>
To: linux-kernel <linux-kernel@vger.kernel.org>
Cc: Liam Girdwood <lrg@slimlogic.co.uk>,
Mark Brown <broonie@opensource.wolfsonmicro.com>,
Peter Ujfalusi <peter.ujfalusi@nokia.com>
Subject: [PATCH] ASoC: Do not update the cache if write to hardware failed
Date: Tue, 23 Nov 2010 14:14:07 +0800 [thread overview]
Message-ID: <1290492847.7286.1.camel@mola> (raw)
Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
sound/soc/codecs/tpa6130a2.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/sound/soc/codecs/tpa6130a2.c b/sound/soc/codecs/tpa6130a2.c
index bfef3da..2d64502 100644
--- a/sound/soc/codecs/tpa6130a2.c
+++ b/sound/soc/codecs/tpa6130a2.c
@@ -77,8 +77,10 @@ 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 */
--
1.7.2
next reply other threads:[~2010-11-23 6:09 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-23 6:14 Axel Lin [this message]
2010-11-23 7:39 ` [PATCH] ASoC: Do not update the cache if write to hardware failed Peter Ujfalusi
2010-11-23 7:39 ` Peter Ujfalusi
2010-11-23 10:24 ` Liam Girdwood
2010-11-23 14:53 ` Mark Brown
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