LEDS: propagate error codes in blinkm_detect()

Use the error codes from the lower levels instead of -ENODEV.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Jan-Simon Möller <jansimon.moeller@gmx.de>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
1 file changed