hwmon: (lm75) Fixup tmp75b clr_mask
authorIker Perez del Palomar Sustatxa <iker.perez@codethink.co.uk>
Thu, 1 Aug 2019 07:53:24 +0000 (08:53 +0100)
committerGuenter Roeck <linux@roeck-us.net>
Wed, 7 Aug 2019 21:50:49 +0000 (14:50 -0700)
The configuration register of the tmp75b sensor is 16bit long, however
the first byte is reserved, so there is not no need to take care of it.

Because the order of the bytes is little endian and it is only necessary
to write one byte, the desired bits must be shifted into a 8 bit range.

Fixes: 39abe9d88b30 ("hwmon: (lm75) Add support for TMP75B")
Cc: stable@vger.kernel.org
Signed-off-by: Iker Perez del Palomar Sustatxa <iker.perez@codethink.co.uk>
Link: https://lore.kernel.org/r/20190801075324.4638-1-iker.perez@codethink.co.uk
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
drivers/hwmon/lm75.c

index 3fb9c0a2d6d0bc2241d6777901d9a7da49057ceb..ce5ec403ec739c819ee8f896e5958d63380246ee 100644 (file)
@@ -343,7 +343,7 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id)
                data->sample_time = MSEC_PER_SEC / 2;
                break;
        case tmp75b:  /* not one-shot mode, Conversion rate 37Hz */
-               clr_mask |= 1 << 15 | 0x3 << 13;
+               clr_mask |= 1 << 7 | 0x3 << 5;
                data->resolution = 12;
                data->sample_time = MSEC_PER_SEC / 37;
                break;