add ax88772_rst

hc

2024-05-10 9999e48639b3cecb08ffb37358bcba3b48161b29

 kernel/drivers/media/usb/stk1160/stk1160-v4l.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * STK1160 driver
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  *
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@@ -7,17 +8,6 @@
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  * Based on Easycap driver by R.M. Thomas
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  *	Copyright (C) 2010 R.M. Thomas
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  *	<rmthomas--a.t--sciolus.org>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * 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.
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- *
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  */
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 #include <linux/module.h>
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@@ -56,7 +46,6 @@
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 /* supported video standards */
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 static struct stk1160_fmt format[] = {
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 	{
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-		.name     = "16 bpp YUY2, 4:2:2, packed",
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 		.fourcc   = V4L2_PIX_FMT_UYVY,
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 		.depth    = 16,
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 	}
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@@ -269,7 +258,7 @@
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 	stk1160_uninit_isoc(dev);
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 out_stop_hw:
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 	usb_set_interface(dev->udev, 0, 0);
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-	stk1160_clear_queue(dev);
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+	stk1160_clear_queue(dev, VB2_BUF_STATE_QUEUED);
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 	mutex_unlock(&dev->v4l_lock);
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@@ -317,7 +306,7 @@
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 	stk1160_stop_hw(dev);
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-	stk1160_clear_queue(dev);
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+	stk1160_clear_queue(dev, VB2_BUF_STATE_ERROR);
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 	stk1160_dbg("streaming stopped\n");
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@@ -344,14 +333,9 @@
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 {
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 	struct stk1160 *dev = video_drvdata(file);
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-	strcpy(cap->driver, "stk1160");
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-	strcpy(cap->card, "stk1160");
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+	strscpy(cap->driver, "stk1160", sizeof(cap->driver));
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+	strscpy(cap->card, "stk1160", sizeof(cap->card));
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 	usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
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-	cap->device_caps =
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-		V4L2_CAP_VIDEO_CAPTURE |
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-		V4L2_CAP_STREAMING |
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-		V4L2_CAP_READWRITE;
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-	cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
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 	return 0;
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 }
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@@ -361,7 +345,6 @@
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 	if (f->index != 0)
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 		return -EINVAL;
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-	strlcpy(f->description, format[f->index].name, sizeof(f->description));
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 	f->pixelformat = format[f->index].fourcc;
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 	return 0;
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 }
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@@ -762,7 +745,7 @@
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 /********************************************************************/
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 /* Must be called with both v4l_lock and vb_queue_lock hold */
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-void stk1160_clear_queue(struct stk1160 *dev)
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+void stk1160_clear_queue(struct stk1160 *dev, enum vb2_buffer_state vb2_state)
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 {
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 	struct stk1160_buffer *buf;
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 	unsigned long flags;
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@@ -773,7 +756,7 @@
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 		buf = list_first_entry(&dev->avail_bufs,
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 			struct stk1160_buffer, list);
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 		list_del(&buf->list);
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-		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
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+		vb2_buffer_done(&buf->vb.vb2_buf, vb2_state);
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 		stk1160_dbg("buffer [%p/%d] aborted\n",
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 			    buf, buf->vb.vb2_buf.index);
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 	}
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@@ -783,7 +766,7 @@
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 		buf = dev->isoc_ctl.buf;
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 		dev->isoc_ctl.buf = NULL;
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-		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
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+		vb2_buffer_done(&buf->vb.vb2_buf, vb2_state);
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 		stk1160_dbg("buffer [%p/%d] aborted\n",
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 			    buf, buf->vb.vb2_buf.index);
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 	}
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@@ -831,6 +814,8 @@
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 	/* This will be used to set video_device parent */
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 	dev->vdev.v4l2_dev = &dev->v4l2_dev;
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+	dev->vdev.device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING |
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+				V4L2_CAP_READWRITE;
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 	/* NTSC is default */
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 	dev->norm = V4L2_STD_NTSC_M;
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@@ -845,7 +830,7 @@
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 			dev->norm);
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 	video_set_drvdata(&dev->vdev, dev);
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-	rc = video_register_device(&dev->vdev, VFL_TYPE_GRABBER, -1);
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+	rc = video_register_device(&dev->vdev, VFL_TYPE_VIDEO, -1);
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 	if (rc < 0) {
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 		stk1160_err("video_register_device failed (%d)\n", rc);
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 		return rc;