LM95233 is similar to LM95234, but it only supports two
instead of four external temperature sensors.
Reviewed-by: NJean Delvare <jdelvare@suse.de>
Signed-off-by: NGuenter Roeck <linux@roeck-us.net>

drivers/hwmon/lm95234.c:704:1-3: WARNING: PTR_RET can be used

 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: coccinelle/api/ptr_ret.cocci

CC: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: NFengguang Wu <fengguang.wu@intel.com>
Signed-off-by: NGuenter Roeck <linux@roeck-us.net>

Also use new macro ATTRIBUTE_GROUPS to declare attribute groups.
Signed-off-by: NGuenter Roeck <linux@roeck-us.net>

Signed-off-by: NGuenter Roeck <linux@roeck-us.net>