[media] cx231xx-417: use one querycap for all device nodes

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

Author: Hans Verkuil

drivers/media/usb/cx231xx/cx231xx-417.c

@@ -1626,24 +1626,6 @@ static int vidioc_s_ctrl(struct file *file, void *priv,
 	dprintk(3, "exit vidioc_s_ctrl()\n");
 	return 0;
 }
-static struct v4l2_capability pvr_capability = {
-	.driver         = "cx231xx",
-	.card           = "VideoGrabber",
-	.bus_info       = "usb",
-	.version        = 1,
-	.capabilities   = (V4L2_CAP_VIDEO_CAPTURE |
-			   V4L2_CAP_TUNER | V4L2_CAP_AUDIO | V4L2_CAP_RADIO |
-			 V4L2_CAP_STREAMING | V4L2_CAP_READWRITE),
-};
-static int vidioc_querycap(struct file *file, void  *priv,
-				struct v4l2_capability *cap)
-{
-
-
-
-		memcpy(cap, &pvr_capability, sizeof(struct v4l2_capability));
-	return 0;
-}
 
 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
 					struct v4l2_fmtdesc *f)
@@ -2016,7 +1998,7 @@ static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
 	.vidioc_g_input		 = vidioc_g_input,
 	.vidioc_s_input		 = vidioc_s_input,
 	.vidioc_s_ctrl		 = vidioc_s_ctrl,
-	.vidioc_querycap	 = vidioc_querycap,
+	.vidioc_querycap	 = cx231xx_querycap,
 	.vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
 	.vidioc_g_fmt_vid_cap	 = vidioc_g_fmt_vid_cap,
 	.vidioc_try_fmt_vid_cap	 = vidioc_try_fmt_vid_cap,

drivers/media/usb/cx231xx/cx231xx-video.c

@@ -1632,7 +1632,7 @@ static int vidioc_streamoff(struct file *file, void *priv,
 	return 0;
 }
 
-static int vidioc_querycap(struct file *file, void *priv,
+int cx231xx_querycap(struct file *file, void *priv,
 			   struct v4l2_capability *cap)
 {
 	struct video_device *vdev = video_devdata(file);
@@ -2186,7 +2186,7 @@ static const struct v4l2_file_operations cx231xx_v4l_fops = {
 };
 
 static const struct v4l2_ioctl_ops video_ioctl_ops = {
-	.vidioc_querycap               = vidioc_querycap,
+	.vidioc_querycap               = cx231xx_querycap,
 	.vidioc_enum_fmt_vid_cap       = vidioc_enum_fmt_vid_cap,
 	.vidioc_g_fmt_vid_cap          = vidioc_g_fmt_vid_cap,
 	.vidioc_try_fmt_vid_cap        = vidioc_try_fmt_vid_cap,
@@ -2237,7 +2237,7 @@ static const struct v4l2_file_operations radio_fops = {
 };
 
 static const struct v4l2_ioctl_ops radio_ioctl_ops = {
-	.vidioc_querycap    = vidioc_querycap,
+	.vidioc_querycap    = cx231xx_querycap,
 	.vidioc_g_tuner     = radio_g_tuner,
 	.vidioc_s_tuner     = radio_s_tuner,
 	.vidioc_g_frequency = vidioc_g_frequency,

drivers/media/usb/cx231xx/cx231xx.h

@@ -934,6 +934,8 @@ int cx231xx_register_extension(struct cx231xx_ops *dev);
 void cx231xx_unregister_extension(struct cx231xx_ops *dev);
 void cx231xx_init_extension(struct cx231xx *dev);
 void cx231xx_close_extension(struct cx231xx *dev);
+int cx231xx_querycap(struct file *file, void *priv,
+			   struct v4l2_capability *cap);
 
 /* Provided by cx231xx-cards.c */
 extern void cx231xx_pre_card_setup(struct cx231xx *dev);