hwmon: (pmbus/ltc2978) Use detected chip ID to select supported functionality
We read the chip ID from the chip, use it to determine if the chip ID provided
to the driver is correct, and report it if wrong. We should also use the
correct chip ID to select supported functionality.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: stable@vger.kernel.org # 3.2+
Acked-by: Jean Delvare <khali@linux-fr.org>
diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c
index cc29a7e..a58de38 100644
--- a/drivers/hwmon/pmbus/ltc2978.c
+++ b/drivers/hwmon/pmbus/ltc2978.c
@@ -326,7 +326,7 @@
data->temp_max = 0x7c00;
data->temp2_max = 0x7c00;
- switch (id->driver_data) {
+ switch (data->id) {
case ltc2978:
info->read_word_data = ltc2978_read_word_data;
info->pages = 8;