Commit a50aac7193f1 introduces 'led.groups' and adds EKR support for these groups. However, unlike the other devices with LEDs, the EKR's LEDs are read-only and we shouldn't attempt to control them in wacom_led_control(). See bug: https://sourceforge.net/p/linuxwacom/bugs/342/ Fixes: a50aac7193f1 ("HID: wacom: leds: dynamically allocate LED groups") Cc: stable <stable@xxxxxxxxxxxxxxx> # 4.9 Signed-off-by: Aaron Armstrong Skomra <aaron.skomra@xxxxxxxxx> --- drivers/hid/wacom_sys.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index 838c1ebfffa9..db1f64dcb9ba 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -766,6 +766,9 @@ static int wacom_led_control(struct wacom *wacom) if (!wacom->led.groups) return -ENOTSUPP; + if (wacom->wacom_wac.features.type == REMOTE) + return -ENOTSUPP; + if (wacom->wacom_wac.pid) { /* wireless connected */ report_id = WAC_CMD_WL_LED_CONTROL; buf_size = 13; -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
