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hc
2024-01-03 2f7c68cb55ecb7331f2381deb497c27155f32faf 
 kernel/drivers/media/pci/cx18/cx18-ioctl.c
....@@ -1,3 +1,4 @@
1
+// SPDX-License-Identifier: GPL-2.0-or-later
12 /*
23  *  cx18 ioctl system call
34  *
....@@ -5,16 +6,6 @@
56  *
67  *  Copyright (C) 2007  Hans Verkuil <hverkuil@xs4all.nl>
78  *  Copyright (C) 2008  Andy Walls <awalls@md.metrocast.net>
8
- *
9
- *  This program is free software; you can redistribute it and/or modify
10
- *  it under the terms of the GNU General Public License as published by
11
- *  the Free Software Foundation; either version 2 of the License, or
12
- *  (at your option) any later version.
13
- *
14
- *  This program is distributed in the hope that it will be useful,
15
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *  GNU General Public License for more details.
189  */
1910 
2011 #include "cx18-driver.h"
....@@ -87,7 +78,7 @@
8778 			return 0;
8879 	}
8980 	for (i = 0; i < 32; i++) {
90
-		if ((1 << i) & set)
81
+		if (BIT(i) & set)
9182 			return 1 << i;
9283 	}
9384 	return 0;
....@@ -394,16 +385,13 @@
394385 				struct v4l2_capability *vcap)
395386 {
396387 	struct cx18_open_id *id = fh2id(fh);
397
-	struct cx18_stream *s = video_drvdata(file);
398388 	struct cx18 *cx = id->cx;
399389 
400
-	strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
401
-	strlcpy(vcap->card, cx->card_name, sizeof(vcap->card));
390
+	strscpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver));
391
+	strscpy(vcap->card, cx->card_name, sizeof(vcap->card));
402392 	snprintf(vcap->bus_info, sizeof(vcap->bus_info),
403393 		 "PCI:%s", pci_name(cx->pci_dev));
404
-	vcap->capabilities = cx->v4l2_cap;	/* capabilities */
405
-	vcap->device_caps = s->v4l2_dev_caps;	/* device capabilities */
406
-	vcap->capabilities |= V4L2_CAP_DEVICE_CAPS;
394
+	vcap->capabilities = cx->v4l2_cap | V4L2_CAP_DEVICE_CAPS;
407395 	return 0;
408396 }
409397 
....@@ -441,15 +429,16 @@
441429 	return cx18_get_input(cx, vin->index, vin);
442430 }
443431 
444
-static int cx18_cropcap(struct file *file, void *fh,
445
-			struct v4l2_cropcap *cropcap)
432
+static int cx18_g_pixelaspect(struct file *file, void *fh,
433
+			      int type, struct v4l2_fract *f)
446434 {
447435 	struct cx18 *cx = fh2id(fh)->cx;
448436 
449
-	if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
437
+	if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
450438 		return -EINVAL;
451
-	cropcap->pixelaspect.numerator = cx->is_50hz ? 54 : 11;
452
-	cropcap->pixelaspect.denominator = cx->is_50hz ? 59 : 10;
439
+
440
+	f->numerator = cx->is_50hz ? 54 : 11;
441
+	f->denominator = cx->is_50hz ? 59 : 10;
453442 	return 0;
454443 }
455444 
....@@ -477,14 +466,24 @@
477466 					struct v4l2_fmtdesc *fmt)
478467 {
479468 	static const struct v4l2_fmtdesc formats[] = {
480
-		{ 0, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0,
481
-		  "HM12 (YUV 4:1:1)", V4L2_PIX_FMT_HM12, { 0, 0, 0, 0 }
469
+		{
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+			.index = 0,
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+			.type = V4L2_BUF_TYPE_VIDEO_CAPTURE,
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+			.description = "HM12 (YUV 4:1:1)",
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+			.pixelformat = V4L2_PIX_FMT_HM12,
482474 		},
483
-		{ 1, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FMT_FLAG_COMPRESSED,
484
-		  "MPEG", V4L2_PIX_FMT_MPEG, { 0, 0, 0, 0 }
475
+		{
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+			.index = 1,
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+			.type = V4L2_BUF_TYPE_VIDEO_CAPTURE,
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+			.flags = V4L2_FMT_FLAG_COMPRESSED,
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+			.description = "MPEG",
480
+			.pixelformat = V4L2_PIX_FMT_MPEG,
485481 		},
486
-		{ 2, V4L2_BUF_TYPE_VIDEO_CAPTURE, 0,
487
-		  "UYVY 4:2:2", V4L2_PIX_FMT_UYVY, { 0, 0, 0, 0 }
482
+		{
483
+			.index = 2,
484
+			.type = V4L2_BUF_TYPE_VIDEO_CAPTURE,
485
+			.description = "UYVY 4:2:2",
486
+			.pixelformat = V4L2_PIX_FMT_UYVY,
488487 		},
489488 	};
490489 
....@@ -632,9 +631,9 @@
632631 	cx18_call_all(cx, tuner, g_tuner, vt);
633632 
634633 	if (vt->type == V4L2_TUNER_RADIO)
635
-		strlcpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name));
634
+		strscpy(vt->name, "cx18 Radio Tuner", sizeof(vt->name));
636635 	else
637
-		strlcpy(vt->name, "cx18 TV Tuner", sizeof(vt->name));
636
+		strscpy(vt->name, "cx18 TV Tuner", sizeof(vt->name));
638637 	return 0;
639638 }
640639 
....@@ -675,7 +674,7 @@
675674 	struct cx18_enc_idx_entry *e_buf;
676675 
677676 	/* Frame type lookup: 1=I, 2=P, 4=B */
678
-	const int mapping[8] = {
677
+	static const int mapping[8] = {
679678 		-1, V4L2_ENC_IDX_FRAME_I, V4L2_ENC_IDX_FRAME_P,
680679 		-1, V4L2_ENC_IDX_FRAME_B, -1, -1, -1
681680 	};
....@@ -1079,7 +1078,7 @@
10791078 	.vidioc_g_audio                 = cx18_g_audio,
10801079 	.vidioc_enumaudio               = cx18_enumaudio,
10811080 	.vidioc_enum_input              = cx18_enum_input,
1082
-	.vidioc_cropcap                 = cx18_cropcap,
1081
+	.vidioc_g_pixelaspect           = cx18_g_pixelaspect,
10831082 	.vidioc_g_selection             = cx18_g_selection,
10841083 	.vidioc_g_input                 = cx18_g_input,
10851084 	.vidioc_s_input                 = cx18_s_input,