int ivtv_v4l2_close(struct file *filp)
{
struct ivtv_open_id *id = filp->private_data;
struct ivtv *itv = id->itv;
struct ivtv_stream *s = &itv->streams[id->type];
IVTV_DEBUG_FILE("close %s\n", s->name);
v4l2_prio_close(&itv->prio, &id->prio);
/* Easy case first: this stream was never claimed by us */
if (s->id != id->open_id) {
kfree(id);
return 0;
}
/* 'Unclaim' this stream */
/* Stop radio */
mutex_lock(&itv->serialize_lock);
if (id->type == IVTV_ENC_STREAM_TYPE_RAD) {
/* Closing radio device, return to TV mode */
ivtv_mute(itv);
/* Mark that the radio is no longer in use */
clear_bit(IVTV_F_I_RADIO_USER, &itv->i_flags);
/* Switch tuner to TV */
ivtv_call_all(itv, core, s_std, itv->std);
/* Select correct audio input (i.e. TV tuner or Line in) */
ivtv_audio_set_io(itv);
if (itv->hw_flags & IVTV_HW_SAA711X) {
ivtv_call_hw(itv, IVTV_HW_SAA711X, video, s_crystal_freq,
SAA7115_FREQ_32_11_MHZ, 0);
}
if (atomic_read(&itv->capturing) > 0) {
/* Undo video mute */
ivtv_vapi(itv, CX2341X_ENC_MUTE_VIDEO, 1,
itv->params.video_mute | (itv->params.video_mute_yuv << 8));
}
/* Done! Unmute and continue. */
ivtv_unmute(itv);
ivtv_release_stream(s);
} else if (s->type >= IVTV_DEC_STREAM_TYPE_MPG) {
struct ivtv_stream *s_vout = &itv->streams[IVTV_DEC_STREAM_TYPE_VOUT];
ivtv_stop_decoding(id, VIDEO_CMD_STOP_TO_BLACK | VIDEO_CMD_STOP_IMMEDIATELY, 0);
/* If all output streams are closed, and if the user doesn't have
IVTV_DEC_STREAM_TYPE_VOUT open, then disable CC on TV-out. */
if (itv->output_mode == OUT_NONE && !test_bit(IVTV_F_S_APPL_IO, &s_vout->s_flags)) {
/* disable CC on TV-out */
ivtv_disable_cc(itv);
}
} else {
ivtv_stop_capture(id, 0);
}
kfree(id);
mutex_unlock(&itv->serialize_lock);
return 0;
}
void v4l2_fh_del(struct v4l2_fh *fh)
{
unsigned long flags;
spin_lock_irqsave(&fh->vdev->fh_lock, flags);
list_del_init(&fh->list);
spin_unlock_irqrestore(&fh->vdev->fh_lock, flags);
if (test_bit(V4L2_FL_USE_FH_PRIO, &fh->vdev->flags))
v4l2_prio_close(fh->vdev->prio, fh->prio);
}
/**
* vpif_release : function to clean up file close
* @filep: file pointer
*
* This function deletes buffer queue, frees the buffers and the vpfe file
* handle
*/
static int vpif_release(struct file *filep)
{
struct vpif_fh *fh = filep->private_data;
struct channel_obj *ch = fh->channel;
struct common_obj *common;
vpif_dbg(2, debug, "vpif_release\n");
common = &ch->common[VPIF_VIDEO_INDEX];
if (mutex_lock_interruptible(&common->lock))
return -ERESTARTSYS;
/* if this instance is doing IO */
if (fh->io_allowed[VPIF_VIDEO_INDEX]) {
/* Reset io_usrs member of channel object */
common->io_usrs = 0;
/* Disable channel as per its device type and channel id */
if (VPIF_CHANNEL0_VIDEO == ch->channel_id) {
enable_channel0(0);
channel0_intr_enable(0);
}
if ((VPIF_CHANNEL1_VIDEO == ch->channel_id) ||
(2 == common->started)) {
enable_channel1(0);
channel1_intr_enable(0);
}
common->started = 0;
/* Free buffers allocated */
videobuf_queue_cancel(&common->buffer_queue);
videobuf_mmap_free(&common->buffer_queue);
}
/* Decrement channel usrs counter */
ch->usrs--;
/* unlock mutex on channel object */
mutex_unlock(&common->lock);
/* Close the priority */
v4l2_prio_close(&ch->prio, fh->prio);
if (fh->initialized)
ch->initialized = 0;
filep->private_data = NULL;
kfree(fh);
return 0;
}
static int vpif_release(struct file *filep)
{
struct vpif_fh *fh = filep->private_data;
struct channel_obj *ch = fh->channel;
struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX];
if (mutex_lock_interruptible(&common->lock))
return -ERESTARTSYS;
/* if this instance is doing IO */
if (fh->io_allowed[VPIF_VIDEO_INDEX]) {
/* Reset io_usrs member of channel object */
common->io_usrs = 0;
/* Disable channel */
if (VPIF_CHANNEL2_VIDEO == ch->channel_id) {
enable_channel2(0);
channel2_intr_enable(0);
}
if ((VPIF_CHANNEL3_VIDEO == ch->channel_id) ||
(2 == common->started)) {
enable_channel3(0);
channel3_intr_enable(0);
}
common->started = 0;
/* Free buffers allocated */
videobuf_queue_cancel(&common->buffer_queue);
videobuf_mmap_free(&common->buffer_queue);
common->numbuffers =
config_params.numbuffers[ch->channel_id];
}
mutex_unlock(&common->lock);
/* Decrement channel usrs counter */
atomic_dec(&ch->usrs);
/* If this file handle has initialize encoder device, reset it */
if (fh->initialized)
ch->initialized = 0;
/* Close the priority */
v4l2_prio_close(&ch->prio, fh->prio);
filep->private_data = NULL;
fh->initialized = 0;
kfree(fh);
return 0;
}
int cx18_v4l2_close(struct inode *inode, struct file *filp)
{
struct cx18_open_id *id = filp->private_data;
struct cx18 *cx = id->cx;
struct cx18_stream *s = &cx->streams[id->type];
CX18_DEBUG_IOCTL("close() of %s\n", s->name);
v4l2_prio_close(&cx->prio, &id->prio);
/* Easy case first: this stream was never claimed by us */
if (s->id != id->open_id) {
kfree(id);
return 0;
}
/* 'Unclaim' this stream */
/* Stop radio */
mutex_lock(&cx->serialize_lock);
if (id->type == CX18_ENC_STREAM_TYPE_RAD) {
/* Closing radio device, return to TV mode */
cx18_mute(cx);
/* Mark that the radio is no longer in use */
clear_bit(CX18_F_I_RADIO_USER, &cx->i_flags);
/* Switch tuner to TV */
cx18_call_i2c_clients(cx, VIDIOC_S_STD, &cx->std);
/* Select correct audio input (i.e. TV tuner or Line in) */
cx18_audio_set_io(cx);
if (atomic_read(&cx->ana_capturing) > 0) {
/* Undo video mute */
cx18_vapi(cx, CX18_CPU_SET_VIDEO_MUTE, 2, s->handle,
cx->params.video_mute |
(cx->params.video_mute_yuv << 8));
}
/* Done! Unmute and continue. */
cx18_unmute(cx);
cx18_release_stream(s);
} else {
cx18_stop_capture(id, 0);
}
kfree(id);
mutex_unlock(&cx->serialize_lock);
return 0;
}
static int vpif_release(struct file *filep)
{
struct vpif_fh *fh = filep->private_data;
struct channel_obj *ch = fh->channel;
struct common_obj *common;
vpif_dbg(2, debug, "vpif_release\n");
common = &ch->common[VPIF_VIDEO_INDEX];
if (fh->io_allowed[VPIF_VIDEO_INDEX]) {
common->io_usrs = 0;
if (VPIF_CHANNEL0_VIDEO == ch->channel_id) {
enable_channel0(0);
channel0_intr_enable(0);
}
if ((VPIF_CHANNEL1_VIDEO == ch->channel_id) ||
(2 == common->started)) {
enable_channel1(0);
channel1_intr_enable(0);
}
common->started = 0;
videobuf_queue_cancel(&common->buffer_queue);
videobuf_mmap_free(&common->buffer_queue);
}
ch->usrs--;
v4l2_prio_close(&ch->prio, fh->prio);
if (fh->initialized)
ch->initialized = 0;
filep->private_data = NULL;
kfree(fh);
return 0;
}