diff options
Diffstat (limited to 'drivers/media/usb/tm6000/tm6000-video.c')
| -rw-r--r-- | drivers/media/usb/tm6000/tm6000-video.c | 50 |
1 files changed, 21 insertions, 29 deletions
diff --git a/drivers/media/usb/tm6000/tm6000-video.c b/drivers/media/usb/tm6000/tm6000-video.c index 9fa25de6b5a9..8314d3fa9241 100644 --- a/drivers/media/usb/tm6000/tm6000-video.c +++ b/drivers/media/usb/tm6000/tm6000-video.c @@ -1,20 +1,10 @@ -/* - * tm6000-video.c - driver for TM5600/TM6000/TM6010 USB video capture devices - * - * Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org> - * - * Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com> - * - Fixed module load/unload - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation version 2 - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ +// SPDX-License-Identifier: GPL-2.0 +// tm6000-video.c - driver for TM5600/TM6000/TM6010 USB video capture devices +// +// Copyright (c) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org> +// +// Copyright (c) 2007 Michel Ludwig <michel.ludwig@gmail.com> +// - Fixed module load/unload #include <linux/module.h> #include <linux/delay.h> @@ -1323,6 +1313,8 @@ static int __tm6000_open(struct file *file) case VFL_TYPE_RADIO: radio = 1; break; + default: + return -EINVAL; } /* If more than one user, mutex should be added */ @@ -1423,45 +1415,45 @@ tm6000_read(struct file *file, char __user *data, size_t count, loff_t *pos) return 0; } -static unsigned int +static __poll_t __tm6000_poll(struct file *file, struct poll_table_struct *wait) { - unsigned long req_events = poll_requested_events(wait); + __poll_t req_events = poll_requested_events(wait); struct tm6000_fh *fh = file->private_data; struct tm6000_buffer *buf; - int res = 0; + __poll_t res = 0; if (v4l2_event_pending(&fh->fh)) - res = POLLPRI; - else if (req_events & POLLPRI) + res = EPOLLPRI; + else if (req_events & EPOLLPRI) poll_wait(file, &fh->fh.wait, wait); if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) - return res | POLLERR; + return res | EPOLLERR; if (!!is_res_streaming(fh->dev, fh)) - return res | POLLERR; + return res | EPOLLERR; if (!is_res_read(fh->dev, fh)) { /* streaming capture */ if (list_empty(&fh->vb_vidq.stream)) - return res | POLLERR; + return res | EPOLLERR; buf = list_entry(fh->vb_vidq.stream.next, struct tm6000_buffer, vb.stream); poll_wait(file, &buf->vb.done, wait); if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) - return res | POLLIN | POLLRDNORM; - } else if (req_events & (POLLIN | POLLRDNORM)) { + return res | EPOLLIN | EPOLLRDNORM; + } else if (req_events & (EPOLLIN | EPOLLRDNORM)) { /* read() capture */ return res | videobuf_poll_stream(file, &fh->vb_vidq, wait); } return res; } -static unsigned int tm6000_poll(struct file *file, struct poll_table_struct *wait) +static __poll_t tm6000_poll(struct file *file, struct poll_table_struct *wait) { struct tm6000_fh *fh = file->private_data; struct tm6000_core *dev = fh->dev; - unsigned int res; + __poll_t res; mutex_lock(&dev->lock); res = __tm6000_poll(file, wait); |