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2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da 
 kernel/drivers/media/pci/cx25821/cx25821-video.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  *  Driver for the Conexant CX25821 PCIe bridge
34  *
....@@ -6,18 +7,6 @@
67  *  Based on Steven Toth <stoth@linuxtv.org> cx25821 driver
78  *  Parts adapted/taken from Eduardo Moscoso Rubino
89  *  Copyright (C) 2009 Eduardo Moscoso Rubino <moscoso@TopoLogica.com>
9
- *
10
- *
11
- *  This program is free software; you can redistribute it and/or modify
12
- *  it under the terms of the GNU General Public License as published by
13
- *  the Free Software Foundation; either version 2 of the License, or
14
- *  (at your option) any later version.
15
- *
16
- *  This program is distributed in the hope that it will be useful,
17
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
18
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19
- *
20
- *  GNU General Public License for more details.
2110  */
2211 
2312 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
....@@ -46,12 +35,10 @@
4635 
4736 static const struct cx25821_fmt formats[] = {
4837 	{
49
-		.name = "4:1:1, packed, Y41P",
5038 		.fourcc = V4L2_PIX_FMT_Y41P,
5139 		.depth = 12,
5240 		.flags = FORMAT_FLAGS_PACKED,
5341 	}, {
54
-		.name = "4:2:2, packed, YUYV",
5542 		.fourcc = V4L2_PIX_FMT_YUYV,
5643 		.depth = 16,
5744 		.flags = FORMAT_FLAGS_PACKED,
....@@ -226,9 +213,9 @@
226213 		break;
227214 	}
228215 
229
-	dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
216
+	dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp 0x%08x - dma=0x%08lx\n",
230217 		buf, buf->vb.vb2_buf.index, chan->width, chan->height,
231
-		chan->fmt->depth, chan->fmt->name,
218
+		chan->fmt->depth, chan->fmt->fourcc,
232219 		(unsigned long)buf->risc.dma);
233220 
234221 	return ret;
....@@ -322,7 +309,6 @@
322309 	if (unlikely(f->index >= ARRAY_SIZE(formats)))
323310 		return -EINVAL;
324311 
325
-	strlcpy(f->description, formats[f->index].name, sizeof(f->description));
326312 	f->pixelformat = formats[f->index].fourcc;
327313 
328314 	return 0;
....@@ -437,18 +423,13 @@
437423 {
438424 	struct cx25821_channel *chan = video_drvdata(file);
439425 	struct cx25821_dev *dev = chan->dev;
440
-	const u32 cap_input = V4L2_CAP_VIDEO_CAPTURE |
441
-			V4L2_CAP_READWRITE | V4L2_CAP_STREAMING;
442
-	const u32 cap_output = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_READWRITE;
443426 
444
-	strcpy(cap->driver, "cx25821");
445
-	strlcpy(cap->card, cx25821_boards[dev->board].name, sizeof(cap->card));
427
+	strscpy(cap->driver, "cx25821", sizeof(cap->driver));
428
+	strscpy(cap->card, cx25821_boards[dev->board].name, sizeof(cap->card));
446429 	sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
447
-	if (chan->id >= VID_CHANNEL_NUM)
448
-		cap->device_caps = cap_output;
449
-	else
450
-		cap->device_caps = cap_input;
451
-	cap->capabilities = cap_input | cap_output | V4L2_CAP_DEVICE_CAPS;
430
+	cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_VIDEO_OUTPUT |
431
+			    V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
432
+			    V4L2_CAP_DEVICE_CAPS;
452433 	return 0;
453434 }
454435 
....@@ -486,7 +467,7 @@
486467 
487468 	i->type = V4L2_INPUT_TYPE_CAMERA;
488469 	i->std = CX25821_NORMS;
489
-	strcpy(i->name, "Composite");
470
+	strscpy(i->name, "Composite", sizeof(i->name));
490471 	return 0;
491472 }
492473 
....@@ -534,7 +515,7 @@
534515 
535516 	o->type = V4L2_INPUT_TYPE_CAMERA;
536517 	o->std = CX25821_NORMS;
537
-	strcpy(o->name, "Composite");
518
+	strscpy(o->name, "Composite", sizeof(o->name));
538519 	return 0;
539520 }
540521 
....@@ -635,6 +616,8 @@
635616 	.minor = -1,
636617 	.ioctl_ops = &video_ioctl_ops,
637618 	.tvnorms = CX25821_NORMS,
619
+	.device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
620
+		       V4L2_CAP_STREAMING,
638621 };
639622 
640623 static const struct v4l2_file_operations video_out_fops = {
....@@ -668,6 +651,7 @@
668651 	.minor = -1,
669652 	.ioctl_ops = &video_out_ioctl_ops,
670653 	.tvnorms = CX25821_NORMS,
654
+	.device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_READWRITE,
671655 };
672656 
673657 void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num)
....@@ -773,7 +757,7 @@
773757 		snprintf(vdev->name, sizeof(vdev->name), "%s #%d", dev->name, i);
774758 		video_set_drvdata(vdev, chan);
775759 
776
-		err = video_register_device(vdev, VFL_TYPE_GRABBER,
760
+		err = video_register_device(vdev, VFL_TYPE_VIDEO,
777761 					    video_nr[dev->nr]);
778762 
779763 		if (err < 0)