[media] media/radio: use v4l2_ctrl_subscribe_event where possible

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 2 insertions, 22 deletions

diff --git a/drivers/media/radio/radio-isa.c b/drivers/media/radio/radio-isa.c
index c7450fb90d2..3c0067de432 100644
--- a/drivers/media/radio/radio-isa.c
+++ b/drivers/media/radio/radio-isa.c
@@ -150,14 +150,6 @@ static int radio_isa_log_status(struct file *file, void *priv)
         return 0;
 }
 
-static int radio_isa_subscribe_event(struct v4l2_fh *fh,
-                                struct v4l2_event_subscription *sub)
-{
-        if (sub->type == V4L2_EVENT_CTRL)
-                return v4l2_event_subscribe(fh, sub, 0);
-        return -EINVAL;
-}
-
 static const struct v4l2_ctrl_ops radio_isa_ctrl_ops = {
         .s_ctrl = radio_isa_s_ctrl,
 };
@@ -177,7 +169,7 @@ static const struct v4l2_ioctl_ops radio_isa_ioctl_ops = {
         .vidioc_g_frequency = radio_isa_g_frequency,
         .vidioc_s_frequency = radio_isa_s_frequency,
         .vidioc_log_status  = radio_isa_log_status,
-        .vidioc_subscribe_event   = radio_isa_subscribe_event,
+        .vidioc_subscribe_event   = v4l2_ctrl_subscribe_event,
         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
 };
 
diff --git a/drivers/media/radio/radio-keene.c b/drivers/media/radio/radio-keene.c
index 62d32c4946f..79adf3e654e 100644
--- a/drivers/media/radio/radio-keene.c
+++ b/drivers/media/radio/radio-keene.c
@@ -271,18 +271,6 @@ static int keene_s_ctrl(struct v4l2_ctrl *ctrl)
         return -EINVAL;
 }
 
-static int vidioc_subscribe_event(struct v4l2_fh *fh,
-                                struct v4l2_event_subscription *sub)
-{
-        switch (sub->type) {
-        case V4L2_EVENT_CTRL:
-                return v4l2_event_subscribe(fh, sub, 0);
-        default:
-                return -EINVAL;
-        }
-}
-
-
 /* File system interface */
 static const struct v4l2_file_operations usb_keene_fops = {
         .owner          = THIS_MODULE,
@@ -303,7 +291,7 @@ static const struct v4l2_ioctl_ops usb_keene_ioctl_ops = {
         .vidioc_g_frequency = vidioc_g_frequency,
         .vidioc_s_frequency = vidioc_s_frequency,
         .vidioc_log_status = v4l2_ctrl_log_status,
-        .vidioc_subscribe_event = vidioc_subscribe_event,
+        .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
         .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
 };