From: Josef Gajdusek Date: Mon, 12 May 2014 11:48:26 +0000 (+0200) Subject: hwmon: (emc1403) Support full range of known chip revision numbers X-Git-Tag: v3.15-rc6~35^2 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=3a18e1398fc2dc9c32bbdc50664da3a77959a8d1;p=linux.git hwmon: (emc1403) Support full range of known chip revision numbers The datasheet for EMC1413/EMC1414, which is fully compatible to EMC1403/1404 and uses the same chip identification, references revision numbers 0x01, 0x03, and 0x04. Accept the full range of revision numbers from 0x01 to 0x04 to make sure none are missed. Signed-off-by: Josef Gajdusek Cc: stable@vger.kernel.org [Guenter Roeck: Updated headline and description] Signed-off-by: Guenter Roeck --- diff --git a/drivers/hwmon/emc1403.c b/drivers/hwmon/emc1403.c index 42a3cfcd15c1..01723f04fe45 100644 --- a/drivers/hwmon/emc1403.c +++ b/drivers/hwmon/emc1403.c @@ -330,7 +330,7 @@ static int emc1403_detect(struct i2c_client *client, } id = i2c_smbus_read_byte_data(client, THERMAL_REVISION_REG); - if (id != 0x01) + if (id < 0x01 || id > 0x04) return -ENODEV; return 0;