From bedc09fa9e4d7b04c8f0a893db7ea195972709c1 Mon Sep 17 00:00:00 2001 From: Josef Gajdusek Date: Mon, 12 May 2014 13:48:26 +0200 Subject: [PATCH] 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 --- drivers/hwmon/emc1403.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwmon/emc1403.c b/drivers/hwmon/emc1403.c index 42a3cfcd15c1e..01723f04fe45b 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; -- 2.39.5