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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-11-19 11:49:35 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2010-11-19 11:49:35 +0000 |
| commit | 9e18e1869f5ebac69f0d881fe97a198ebc0834db (patch) | |
| tree | 18c5b5c185d39cbb50fa652b5e08d047c8cf06e1 /drivers/misc/isl29020.c | |
| parent | 04af964f9cb666caa7c1436d003f8fac0f1fedcc (diff) | |
| parent | 460ed699f4c943e1ec4a8458869eb532fe31fd16 (diff) | |
| download | talos-op-linux-9e18e1869f5ebac69f0d881fe97a198ebc0834db.tar.gz talos-op-linux-9e18e1869f5ebac69f0d881fe97a198ebc0834db.zip | |
Merge branch 'next-samsung-asoc' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into for-2.6.38
Diffstat (limited to 'drivers/misc/isl29020.c')
| -rw-r--r-- | drivers/misc/isl29020.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/misc/isl29020.c b/drivers/misc/isl29020.c index 34fe835921c4..ca47e6285075 100644 --- a/drivers/misc/isl29020.c +++ b/drivers/misc/isl29020.c @@ -87,7 +87,7 @@ static ssize_t als_sensing_range_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct i2c_client *client = to_i2c_client(dev); - unsigned int ret_val; + int ret_val; unsigned long val; if (strict_strtoul(buf, 10, &val)) @@ -106,6 +106,8 @@ static ssize_t als_sensing_range_store(struct device *dev, val = 4; ret_val = i2c_smbus_read_byte_data(client, 0x00); + if (ret_val < 0) + return ret_val; ret_val &= 0xFC; /*reset the bit before setting them */ ret_val |= val - 1; |
