pvr2_ctrl_set_value identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

drivers/media/usb/pvrusb2/pvrusb2-ctrl.h, line 20 (as a prototype)

Defined in 1 files as a function:

drivers/media/usb/pvrusb2/pvrusb2-ctrl.c, line 39 (as a function)

Referenced in 1 files:

drivers/media/usb/pvrusb2/pvrusb2-v4l2.c

Smatch caller information:

drivers/media/usb/pvrusb2/pvrusb2-v4l2.c pvr2_s_ext_ctrls() -> pvr2_ctrl_set_value()

Type	Parameter	Key	Value
PARAM_VALUE	0	cptr	0,4096-ptr_max
PARAM_VALUE	0	cptr->info->v4l_id	s32min-(-1),1-s32max
UNITS	1	val	unit_array_size
HALF_LOCKED2		lock
HALF_LOCKED2		req_queue_lock

drivers/media/usb/pvrusb2/pvrusb2-v4l2.c pvr2_s_fmt_vid_cap() -> pvr2_ctrl_set_value()

Type	Parameter	Key	Value
PARAM_VALUE	0	cptr	0,4096-ptr_max
PARAM_VALUE	0	cptr->info->internal_id	2-12,19
DATA_SOURCE	0	cptr	r pvr2_hdw_get_ctrl_by_id
NOCHECK_CALL
USER_DATA	1	val	0-s32max[c]
UNITS	1	val	unit_byte
HALF_LOCKED2		lock
HALF_LOCKED2		req_queue_lock

drivers/media/usb/pvrusb2/pvrusb2-v4l2.c pvr2_s_fmt_vid_cap() -> pvr2_ctrl_set_value()

Type	Parameter	Key	Value
PARAM_VALUE	0	cptr	0,4096-ptr_max
PARAM_VALUE	0	cptr->info->internal_id	2-12,19
DATA_SOURCE	0	cptr	r pvr2_hdw_get_ctrl_by_id
NOCHECK_CALL
USER_DATA	1	val	0-s32max[c]
HALF_LOCKED2		lock
HALF_LOCKED2		req_queue_lock

drivers/media/usb/pvrusb2/pvrusb2-v4l2.c pvr2_s_frequency() -> pvr2_ctrl_set_value()

Type	Parameter	Key	Value
PARAM_VALUE	0	cptr	4096-ptr_max
PARAM_VALUE	0	cptr->hdw->big_lock_held	0
PARAM_VALUE	0	cptr->hdw->big_lock_mutex.dep_map->name	0-255
PARAM_VALUE	0	cptr->hdw->big_lock_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	cptr->hdw->big_lock_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	cptr->hdw->big_lock_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	cptr->hdw->big_lock_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	cptr->hdw->big_lock_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	cptr->hdw->big_lock_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	cptr->hdw->big_lock_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	cptr->hdw->cmd_debug_code	0-255
PARAM_VALUE	0	cptr->hdw->cmd_debug_read_len	0-65536
PARAM_VALUE	0	cptr->hdw->cmd_debug_state	0,2-3
PARAM_VALUE	0	cptr->hdw->cmd_debug_write_len	0-64
PARAM_VALUE	0	cptr->hdw->cropcap_stale	0
PARAM_VALUE	0	cptr->hdw->ctl_done.done	0-4294967293,4294967295
PARAM_VALUE	0	cptr->hdw->ctl_done.wait.lock.magic	3735899821
PARAM_VALUE	0	cptr->hdw->ctl_done.wait.lock.owner	(-1)
PARAM_VALUE	0	cptr->hdw->ctl_done.wait.lock.owner_cpu	4294967295
PARAM_VALUE	0	cptr->hdw->ctl_lock_held	0
PARAM_VALUE	0	cptr->hdw->ctl_lock_mutex.dep_map->name	0-255
PARAM_VALUE	0	cptr->hdw->ctl_lock_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	cptr->hdw->ctl_lock_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	cptr->hdw->ctl_lock_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	cptr->hdw->ctl_lock_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	cptr->hdw->ctl_lock_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	cptr->hdw->ctl_lock_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	0	cptr->hdw->ctl_lock_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_lock_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	cptr->hdw->ctl_read_pend_flag	0-1
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->actual_length	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->interval	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->kref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->num_mapped_sgs	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->pipe	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->sg->dma_flags	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->sg->dma_length	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->sg->length	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->sg->offset	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->status	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->transfer_buffer->_refcount.counter	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->transfer_buffer->bDeviceProtocol	1
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->transfer_buffer->bmAttributes	0-255
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->transfer_buffer->page_type	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->transfer_buffer_length	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->transfer_flags	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->unlinked	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->use_count.counter	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_timeout_flag	0
PARAM_VALUE	0	cptr->hdw->ctl_write_pend_flag	0-1
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->actual_length	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->interval	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->kref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->num_mapped_sgs	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->pipe	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->sg->dma_flags	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->sg->dma_length	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->sg->length	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->sg->offset	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->status	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->transfer_buffer_length	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->transfer_flags	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->unlinked	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->use_count.counter	s32min-s32max
PARAM_VALUE	0	cptr->hdw->flag_ok	s32min-s32max
PARAM_VALUE	0	cptr->hdw->state_stale	s32min-s32max
PARAM_VALUE	0	cptr->hdw->tuner_signal_info.afc	0
PARAM_VALUE	0	cptr->hdw->tuner_signal_info.audmode	0
PARAM_VALUE	0	cptr->hdw->tuner_signal_info.capability	0
PARAM_VALUE	0	cptr->hdw->tuner_signal_info.index	0
PARAM_VALUE	0	cptr->hdw->tuner_signal_info.rangehigh	0
PARAM_VALUE	0	cptr->hdw->tuner_signal_info.rangelow	0
PARAM_VALUE	0	cptr->hdw->tuner_signal_info.rxsubchans	0
PARAM_VALUE	0	cptr->hdw->tuner_signal_info.signal	0
PARAM_VALUE	0	cptr->hdw->tuner_signal_info.type	1-2
PARAM_VALUE	0	cptr->hdw->tuner_signal_stale	0
PARAM_VALUE	0	cptr->hdw->vid_stream->buffer_slot_count	0-4294967295
PARAM_VALUE	0	cptr->hdw->vid_stream->buffer_total_count	0-4294967295
PARAM_VALUE	0	cptr->hdw->vid_stream->endpoint	s32min-s32max
PARAM_VALUE	0	cptr->hdw->vid_stream->fail_tolerance	0-4294967295
PARAM_VALUE	0	cptr->info->internal_id	2-12,19
PARAM_VALUE	0	*cptr->hdw->cmd_buffer	0-255
PARAM_VALUE	0	*cptr->hdw->ctl_read_buffer	0-255
PARAM_VALUE	0	*cptr->hdw->ctl_read_urb->context	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*cptr->hdw->ctl_read_urb->setup_packet	0-255
PARAM_VALUE	0	*cptr->hdw->ctl_read_urb->transfer_buffer	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*cptr->hdw->ctl_write_buffer	0-255
PARAM_VALUE	0	*cptr->hdw->ctl_write_urb->context	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*cptr->hdw->ctl_write_urb->setup_packet	0-255
PARAM_VALUE	0	*cptr->hdw->ctl_write_urb->transfer_buffer	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	1	val	4
DATA_SOURCE	0	cptr	r pvr2_hdw_get_ctrl_by_id
NOCHECK_CALL
HALF_LOCKED2		lock
HALF_LOCKED2		req_queue_lock

drivers/media/usb/pvrusb2/pvrusb2-v4l2.c pvr2_s_frequency() -> pvr2_ctrl_set_value()

Type	Parameter	Key	Value
PARAM_VALUE	0	cptr	4096-ptr_max
PARAM_VALUE	0	cptr->hdw->big_lock_held	0
PARAM_VALUE	0	cptr->hdw->big_lock_mutex.dep_map->name	0-255
PARAM_VALUE	0	cptr->hdw->big_lock_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	cptr->hdw->big_lock_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	cptr->hdw->big_lock_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	cptr->hdw->big_lock_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	cptr->hdw->big_lock_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	cptr->hdw->big_lock_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	cptr->hdw->big_lock_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	cptr->hdw->cmd_debug_code	0-255
PARAM_VALUE	0	cptr->hdw->cmd_debug_read_len	0-65536
PARAM_VALUE	0	cptr->hdw->cmd_debug_state	0,2-3
PARAM_VALUE	0	cptr->hdw->cmd_debug_write_len	0-64
PARAM_VALUE	0	cptr->hdw->cropcap_stale	0
PARAM_VALUE	0	cptr->hdw->ctl_done.done	0-4294967293,4294967295
PARAM_VALUE	0	cptr->hdw->ctl_done.wait.lock.magic	3735899821
PARAM_VALUE	0	cptr->hdw->ctl_done.wait.lock.owner	(-1)
PARAM_VALUE	0	cptr->hdw->ctl_done.wait.lock.owner_cpu	4294967295
PARAM_VALUE	0	cptr->hdw->ctl_lock_held	0
PARAM_VALUE	0	cptr->hdw->ctl_lock_mutex.dep_map->name	0-255
PARAM_VALUE	0	cptr->hdw->ctl_lock_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	cptr->hdw->ctl_lock_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	cptr->hdw->ctl_lock_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	cptr->hdw->ctl_lock_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	cptr->hdw->ctl_lock_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	cptr->hdw->ctl_lock_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	0	cptr->hdw->ctl_lock_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_lock_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	cptr->hdw->ctl_read_pend_flag	0-1
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->actual_length	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->interval	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->kref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->num_mapped_sgs	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->pipe	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->sg->dma_flags	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->sg->dma_length	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->sg->length	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->sg->offset	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->status	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->transfer_buffer->_refcount.counter	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->transfer_buffer->bDeviceProtocol	1
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->transfer_buffer->bmAttributes	0-255
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->transfer_buffer->page_type	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->transfer_buffer_length	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->transfer_flags	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->unlinked	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_read_urb->use_count.counter	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_timeout_flag	0
PARAM_VALUE	0	cptr->hdw->ctl_write_pend_flag	0-1
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->actual_length	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->interval	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->kref.refcount.refs.counter	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->num_mapped_sgs	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->pipe	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->sg->dma_flags	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->sg->dma_length	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->sg->length	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->sg->offset	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->status	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->transfer_buffer_length	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->transfer_flags	0-4294967295
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->unlinked	s32min-s32max
PARAM_VALUE	0	cptr->hdw->ctl_write_urb->use_count.counter	s32min-s32max
PARAM_VALUE	0	cptr->hdw->flag_ok	s32min-s32max
PARAM_VALUE	0	cptr->hdw->state_stale	s32min-s32max
PARAM_VALUE	0	cptr->hdw->tuner_signal_info.afc	0
PARAM_VALUE	0	cptr->hdw->tuner_signal_info.audmode	0
PARAM_VALUE	0	cptr->hdw->tuner_signal_info.capability	0
PARAM_VALUE	0	cptr->hdw->tuner_signal_info.index	0
PARAM_VALUE	0	cptr->hdw->tuner_signal_info.rangehigh	0
PARAM_VALUE	0	cptr->hdw->tuner_signal_info.rangelow	0
PARAM_VALUE	0	cptr->hdw->tuner_signal_info.rxsubchans	0
PARAM_VALUE	0	cptr->hdw->tuner_signal_info.signal	0
PARAM_VALUE	0	cptr->hdw->tuner_signal_info.type	1-2
PARAM_VALUE	0	cptr->hdw->tuner_signal_stale	0
PARAM_VALUE	0	cptr->hdw->vid_stream->buffer_slot_count	0-4294967295
PARAM_VALUE	0	cptr->hdw->vid_stream->buffer_total_count	0-4294967295
PARAM_VALUE	0	cptr->hdw->vid_stream->endpoint	s32min-s32max
PARAM_VALUE	0	cptr->hdw->vid_stream->fail_tolerance	0-4294967295
PARAM_VALUE	0	cptr->info->internal_id	2-12,19
PARAM_VALUE	0	*cptr->hdw->cmd_buffer	0-255
PARAM_VALUE	0	*cptr->hdw->ctl_read_buffer	0-255
PARAM_VALUE	0	*cptr->hdw->ctl_read_urb->context	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*cptr->hdw->ctl_read_urb->setup_packet	0-255
PARAM_VALUE	0	*cptr->hdw->ctl_read_urb->transfer_buffer	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*cptr->hdw->ctl_write_buffer	0-255
PARAM_VALUE	0	*cptr->hdw->ctl_write_urb->context	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	*cptr->hdw->ctl_write_urb->setup_packet	0-255
PARAM_VALUE	0	*cptr->hdw->ctl_write_urb->transfer_buffer	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	1	val	0
DATA_SOURCE	0	cptr	r pvr2_hdw_get_ctrl_by_id
NOCHECK_CALL
HALF_LOCKED2		lock
HALF_LOCKED2		req_queue_lock

drivers/media/usb/pvrusb2/pvrusb2-v4l2.c pvr2_s_frequency() -> pvr2_ctrl_set_value()

Type	Parameter	Key	Value
PARAM_VALUE	0	cptr	0,4096-ptr_max
PARAM_VALUE	0	cptr->info->internal_id	2-12,19
USER_DATA	1	val	0-s32max[c]
UNITS	1	val	unit_byte
HALF_LOCKED2		lock
HALF_LOCKED2		req_queue_lock

drivers/media/usb/pvrusb2/pvrusb2-v4l2.c pvr2_s_input() -> pvr2_ctrl_set_value()

Type	Parameter	Key	Value
PARAM_VALUE	0	cptr	0,4096-ptr_max
PARAM_VALUE	0	cptr->info->internal_id	2-12,19
PARAM_VALUE	1	val	0-255
HALF_LOCKED2		lock
HALF_LOCKED2		req_queue_lock

drivers/media/usb/pvrusb2/pvrusb2-v4l2.c pvr2_s_selection() -> pvr2_ctrl_set_value()

Type	Parameter	Key	Value
PARAM_VALUE	0	cptr	0,4096-ptr_max
PARAM_VALUE	0	cptr->info->internal_id	2-12,19
USER_DATA	1	val	s32min-s32max[u]
UNITS	1	val	unit_byte
HALF_LOCKED2		lock
HALF_LOCKED2		req_queue_lock

drivers/media/usb/pvrusb2/pvrusb2-v4l2.c pvr2_s_selection() -> pvr2_ctrl_set_value()

Type	Parameter	Key	Value
PARAM_VALUE	0	cptr	0,4096-ptr_max
PARAM_VALUE	0	cptr->info->internal_id	2-12,19
USER_DATA	1	val	s32min-s32max[u]
UNITS	1	val	unit_byte
HALF_LOCKED2		lock
HALF_LOCKED2		req_queue_lock

drivers/media/usb/pvrusb2/pvrusb2-v4l2.c pvr2_s_selection() -> pvr2_ctrl_set_value()

Type	Parameter	Key	Value
PARAM_VALUE	0	cptr	0,4096-ptr_max
PARAM_VALUE	0	cptr->info->internal_id	2-12,19
USER_DATA	1	val	s32min-s32max[u]
UNITS	1	val	unit_byte
HALF_LOCKED2		lock
HALF_LOCKED2		req_queue_lock

drivers/media/usb/pvrusb2/pvrusb2-v4l2.c pvr2_s_selection() -> pvr2_ctrl_set_value()

Type	Parameter	Key	Value
PARAM_VALUE	0	cptr	0,4096-ptr_max
PARAM_VALUE	0	cptr->info->internal_id	2-12,19
USER_DATA	1	val	s32min-s32max[u]
HALF_LOCKED2		lock
HALF_LOCKED2		req_queue_lock

drivers/media/usb/pvrusb2/pvrusb2-v4l2.c pvr2_s_std() -> pvr2_ctrl_set_value()

Type	Parameter	Key	Value
PARAM_VALUE	0	cptr	0,4096-ptr_max
PARAM_VALUE	0	cptr->info->internal_id	2-12,19
CAPPED_DATA	1	val	1
DATA_SOURCE	1	val	$2
USER_DATA	1	val	0-s32max[c]
HALF_LOCKED2		lock
HALF_LOCKED2		req_queue_lock

drivers/media/usb/pvrusb2/pvrusb2-v4l2.c pvr2_s_tuner() -> pvr2_ctrl_set_value()

Type	Parameter	Key	Value
PARAM_VALUE	0	cptr	0,4096-ptr_max
PARAM_VALUE	0	cptr->info->internal_id	2-12,19
USER_DATA	1	val	s32min-s32max[u]
HALF_LOCKED2		lock
HALF_LOCKED2		req_queue_lock