[media] lirc: advertise LIRC_CAN_GET_REC_RESOLUTION and improve
This feature was never set. The ioctl should fail if no resolution
is set.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
diff --git a/drivers/media/rc/ir-lirc-codec.c b/drivers/media/rc/ir-lirc-codec.c
index 235d74a..de85f1d 100644
--- a/drivers/media/rc/ir-lirc-codec.c
+++ b/drivers/media/rc/ir-lirc-codec.c
@@ -263,6 +263,9 @@ static long ir_lirc_ioctl(struct file *filep, unsigned int cmd,
return 0;
case LIRC_GET_REC_RESOLUTION:
+ if (!dev->rx_resolution)
+ return -ENOTTY;
+
val = dev->rx_resolution;
break;
@@ -367,8 +370,11 @@ static int ir_lirc_register(struct rc_dev *dev)
if (rc)
goto rbuf_init_failed;
- if (dev->driver_type != RC_DRIVER_IR_RAW_TX)
+ if (dev->driver_type != RC_DRIVER_IR_RAW_TX) {
features |= LIRC_CAN_REC_MODE2;
+ if (dev->rx_resolution)
+ features |= LIRC_CAN_GET_REC_RESOLUTION;
+ }
if (dev->tx_ir) {
features |= LIRC_CAN_SEND_PULSE;
if (dev->s_tx_mask)