[media] cx18: add device_caps support

This was missing in this driver, so add this functionality.

Signed-off-by: Hans Verkuil <[e-mail]>
Cc: Andy Walls <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/pci/cx18/cx18-cards.h

···
 /* V4L2 capability aliases */
 #define CX18_CAP_ENCODER (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER | \
 			  V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | \
-			  V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE)
+			  V4L2_CAP_STREAMING | V4L2_CAP_VBI_CAPTURE | \
+			  V4L2_CAP_SLICED_VBI_CAPTURE)
 
 struct cx18_card_video_input {
 	u8  video_type; 	/* video input type */

drivers/media/pci/cx18/cx18-driver.h

···
 	const char *name;		/* name of the stream */
 	int type;			/* stream type */
 	u32 handle;			/* task handle */
+	u32 v4l2_dev_caps;		/* device capabilities */
 	unsigned int mdl_base_idx;
 
 	u32 id;

drivers/media/pci/cx18/cx18-ioctl.c

···
 				struct v4l2_capability *vcap)
 {
 	struct cx18_open_id *id = fh2id(fh);
+	struct cx18_stream *s = video_drvdata(file);
 	struct cx18 *cx = id->cx;
 
 	strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
 	strlcpy(vcap->card, cx->card_name, sizeof(vcap->card));
 	snprintf(vcap->bus_info, sizeof(vcap->bus_info),
 		 "PCI:%s", pci_name(cx->pci_dev));
-	vcap->capabilities = cx->v4l2_cap; 	    /* capabilities */
-	if (id->type == CX18_ENC_STREAM_TYPE_YUV)
-		vcap->capabilities |= V4L2_CAP_STREAMING;
+	vcap->capabilities = cx->v4l2_cap;	/* capabilities */
+	vcap->device_caps = s->v4l2_dev_caps;	/* device capabilities */
+	vcap->capabilities |= V4L2_CAP_DEVICE_CAPS;
 	return 0;
 }
 

drivers/media/pci/cx18/cx18-streams.c

···
 	int vfl_type;
 	int num_offset;
 	int dma;
+	u32 caps;
 } cx18_stream_info[] = {
 	{	/* CX18_ENC_STREAM_TYPE_MPG */
 		"encoder MPEG",
 		VFL_TYPE_GRABBER, 0,
 		PCI_DMA_FROMDEVICE,
+		V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
+		V4L2_CAP_AUDIO | V4L2_CAP_TUNER
 	},
 	{	/* CX18_ENC_STREAM_TYPE_TS */
 		"TS",
···
 		"encoder YUV",
 		VFL_TYPE_GRABBER, CX18_V4L2_ENC_YUV_OFFSET,
 		PCI_DMA_FROMDEVICE,
+		V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
+		V4L2_CAP_STREAMING | V4L2_CAP_AUDIO | V4L2_CAP_TUNER
 	},
 	{	/* CX18_ENC_STREAM_TYPE_VBI */
 		"encoder VBI",
 		VFL_TYPE_VBI, 0,
 		PCI_DMA_FROMDEVICE,
+		V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE |
+		V4L2_CAP_READWRITE | V4L2_CAP_TUNER
 	},
 	{	/* CX18_ENC_STREAM_TYPE_PCM */
 		"encoder PCM audio",
···
 		"encoder radio",
 		VFL_TYPE_RADIO, 0,
 		PCI_DMA_NONE,
+		V4L2_CAP_RADIO | V4L2_CAP_TUNER
 	},
 };
 
···
 	s->handle = CX18_INVALID_TASK_HANDLE;
 
 	s->dma = cx18_stream_info[type].dma;
+	s->v4l2_dev_caps = cx18_stream_info[type].caps;
 	s->buffers = cx->stream_buffers[type];
 	s->buf_size = cx->stream_buf_size[type];
 	INIT_LIST_HEAD(&s->buf_pool);