diff options
Diffstat (limited to 'drivers/media/usb/au0828/au0828-video.c')
| -rw-r--r-- | drivers/media/usb/au0828/au0828-video.c | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c index 7876c897cc1d..a414a25e48a8 100644 --- a/drivers/media/usb/au0828/au0828-video.c +++ b/drivers/media/usb/au0828/au0828-video.c @@ -1,18 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Auvitek AU0828 USB Bridge (Analog video support) * * Copyright (C) 2009 Devin Heitmueller <dheitmueller@linuxtv.org> * Copyright (C) 2005-2008 Auvitek International, Ltd. - * - * 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; either version 2 - * of the License, or (at your option) any later version. - * - * 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. */ /* Developer Notes: @@ -758,6 +749,9 @@ static int au0828_analog_stream_enable(struct au0828_dev *d) dprintk(1, "au0828_analog_stream_enable called\n"); + if (test_bit(DEV_DISCONNECTED, &d->dev_state)) + return -ENODEV; + iface = usb_ifnum_to_if(d->usbdev, 0); if (iface && iface->cur_altsetting->desc.bAlternateSetting != 5) { dprintk(1, "Changing intf#0 to alt 5\n"); @@ -839,9 +833,9 @@ int au0828_start_analog_streaming(struct vb2_queue *vq, unsigned int count) return rc; } + v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 1); + if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { - v4l2_device_call_all(&dev->v4l2_dev, 0, video, - s_stream, 1); dev->vid_timeout_running = 1; mod_timer(&dev->vid_timeout, jiffies + (HZ / 10)); } else if (vq->type == V4L2_BUF_TYPE_VBI_CAPTURE) { @@ -861,10 +855,11 @@ static void au0828_stop_streaming(struct vb2_queue *vq) dprintk(1, "au0828_stop_streaming called %d\n", dev->streaming_users); - if (dev->streaming_users-- == 1) + if (dev->streaming_users-- == 1) { au0828_uninit_isoc(dev); + v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0); + } - v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0); dev->vid_timeout_running = 0; del_timer_sync(&dev->vid_timeout); @@ -893,8 +888,10 @@ void au0828_stop_vbi_streaming(struct vb2_queue *vq) dprintk(1, "au0828_stop_vbi_streaming called %d\n", dev->streaming_users); - if (dev->streaming_users-- == 1) + if (dev->streaming_users-- == 1) { au0828_uninit_isoc(dev); + v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0); + } spin_lock_irqsave(&dev->slock, flags); if (dev->isoc_ctl.vbi_buf != NULL) { @@ -1065,7 +1062,7 @@ static int au0828_v4l2_close(struct file *filp) * streaming. * * On most USB devices like au0828 the tuner can - * be safely put in sleep stare here if ALSA isn't + * be safely put in sleep state here if ALSA isn't * streaming. Exceptions are some very old USB tuner * models such as em28xx-based WinTV USB2 which have * a separate audio output jack. The devices that have @@ -1074,7 +1071,7 @@ static int au0828_v4l2_close(struct file *filp) * so the s_power callback are silently ignored. * So, the current logic here does the following: * Disable (put tuner to sleep) when - * - ALSA and DVB aren't not streaming; + * - ALSA and DVB aren't streaming. * - the last V4L2 file handler is closed. * * FIXME: |