hdpvr_i2c_read identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

drivers/media/usb/hdpvr/hdpvr-i2c.c, line 50 (as a function)

Referenced in 1 files:

drivers/media/usb/hdpvr/hdpvr-i2c.c

Smatch caller information:

drivers/media/usb/hdpvr/hdpvr-i2c.c hdpvr_activate_ir() -> hdpvr_i2c_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev	4096-ptr_max
PARAM_VALUE	0	dev->bulk_in_size	8192
PARAM_VALUE	0	dev->free_buff_list.next	4096-ptr_max
PARAM_VALUE	0	dev->free_buff_list.next->next	4096-ptr_max
PARAM_VALUE	0	dev->free_buff_list.prev	4096-ptr_max
PARAM_VALUE	0	dev->free_buff_list.prev->next	4096-ptr_max
PARAM_VALUE	0	dev->free_buff_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev->i2c_mutex.dep_map->name	0-255
PARAM_VALUE	0	dev->i2c_mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	dev->i2c_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dev->i2c_mutex.magic	4096-ptr_max
PARAM_VALUE	0	dev->i2c_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	dev->i2c_mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	dev->i2c_mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	dev->i2c_mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	0	dev->io_mutex.dep_map->name	0-255
PARAM_VALUE	0	dev->io_mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	dev->io_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dev->io_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	dev->io_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	dev->io_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	dev->io_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	dev->io_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	dev->io_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	dev->io_mutex.magic	4096-ptr_max
PARAM_VALUE	0	dev->io_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	dev->io_mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	dev->options.audio_input	0-2
PARAM_VALUE	0	dev->options.brightness	128
PARAM_VALUE	0	dev->options.contrast	64
PARAM_VALUE	0	dev->options.hue	15
PARAM_VALUE	0	dev->options.saturation	64
PARAM_VALUE	0	dev->options.sharpness	128
PARAM_VALUE	0	dev->options.video_input	0-2
PARAM_VALUE	0	dev->rec_buff_list.next	4096-ptr_max
PARAM_VALUE	0	dev->rec_buff_list.next->next	4096-ptr_max
PARAM_VALUE	0	dev->rec_buff_list.prev	4096-ptr_max
PARAM_VALUE	0	dev->rec_buff_list.prev->next	4096-ptr_max
PARAM_VALUE	0	dev->rec_buff_list.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev->status	1
PARAM_VALUE	0	dev->udev	4096-ptr_max
PARAM_VALUE	0	dev->udev->bus	1-u64max
PARAM_VALUE	0	dev->udev->bus->sysdev->iommu->attach_deferred	0-1
PARAM_VALUE	0	dev->usbc_buf	4096-ptr_max
PARAM_VALUE	0	dev->usbc_mutex.dep_map->name	0-255
PARAM_VALUE	0	dev->usbc_mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	dev->usbc_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dev->usbc_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	dev->usbc_mutex.first_waiter->task->blocked_lock.dep_map->name	0-255
PARAM_VALUE	0	dev->usbc_mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	dev->usbc_mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	dev->usbc_mutex.first_waiter->task->blocked_lock.raw_lock.val.counter	s32min-s32max
PARAM_VALUE	0	dev->usbc_mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	dev->usbc_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	dev->v4l2_dev->name	0-255
PARAM_VALUE	0	dev->v4l2_dev.dev	4096-ptr_max
PARAM_VALUE	0	dev->v4l2_dev.ref.refcount.refs.counter	1
PARAM_VALUE	0	dev->v4l2_dev.subdevs.next	4096-ptr_max
PARAM_VALUE	0	dev->v4l2_dev.subdevs.next->next	4096-ptr_max
PARAM_VALUE	0	dev->v4l2_dev.subdevs.prev	4096-ptr_max
PARAM_VALUE	0	dev->v4l2_dev.subdevs.prev->next	4096-ptr_max
PARAM_VALUE	0	dev->v4l2_dev.subdevs.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev->wait_buffer.head.next	4096-ptr_max
PARAM_VALUE	0	dev->wait_buffer.head.next->next	4096-ptr_max
PARAM_VALUE	0	dev->wait_buffer.head.prev	4096-ptr_max
PARAM_VALUE	0	dev->wait_buffer.head.prev->next	4096-ptr_max
PARAM_VALUE	0	dev->wait_buffer.head.prev->prev	4096-ptr_max
PARAM_VALUE	0	dev->wait_data.head.next	4096-ptr_max
PARAM_VALUE	0	dev->wait_data.head.next->next	4096-ptr_max
PARAM_VALUE	0	dev->wait_data.head.prev	4096-ptr_max
PARAM_VALUE	0	dev->wait_data.head.prev->next	4096-ptr_max
PARAM_VALUE	0	dev->wait_data.head.prev->prev	4096-ptr_max
PARAM_VALUE	1	bus	0
PARAM_VALUE	2	addr	84
PARAM_VALUE	3	wdata	0
PARAM_VALUE	4	wlen	0
PARAM_VALUE	5	data	2584323378519588864
PARAM_VALUE	6	len	1
BUF_SIZE	0	dev	6120
BUF_SIZE	0	dev->usbc_buf	64
BUF_SIZE	5	data	2
CAPPED_DATA	0	&dev->i2c_mutex	1
DATA_SOURCE	0	dev	$0
MEM_ZERO	0	&dev->v4l2_dev.prio
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&dev->i2c_mutex
TYPE_LOCK		(struct hdpvr_device)->i2c_mutex

drivers/media/usb/hdpvr/hdpvr-i2c.c hdpvr_transfer() -> hdpvr_i2c_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev->i2c_mutex.dep_map->name	0-255
PARAM_VALUE	0	dev->i2c_mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	dev->i2c_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dev->i2c_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	dev->i2c_mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	dev->i2c_mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	dev->i2c_mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	1	bus	1
PARAM_VALUE	3	wdata	0
PARAM_VALUE	4	wlen	0
PARAM_VALUE	6	len	0-u16max
BUF_SIZE	0	dev	s32min-(-2),1-s32max
BUF_SIZE	0	dev	s32min-(-2),1-s32max
BUF_SIZE	5	data	s32min-(-2),1-s32max
CAPPED_DATA	0	&dev->i2c_mutex	1
STR_LEN	0	dev	(-1)
STR_LEN	0	dev	(-1)
BIT_INFO	2	addr	0x0,0xfffe
RX_PATH
TASK_NOT_RUNNING
UNITS	0	dev	unit_byte
UNITS	5	data	unit_byte
UNITS	6	len	unit_byte
LOCK2	0	&dev->i2c_mutex
TYPE_LOCK		(struct hdpvr_device)->i2c_mutex

drivers/media/usb/hdpvr/hdpvr-i2c.c hdpvr_transfer() -> hdpvr_i2c_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	dev->i2c_mutex.dep_map->name	0-255
PARAM_VALUE	0	dev->i2c_mutex.first_waiter	0,4096-ptr_max
PARAM_VALUE	0	dev->i2c_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	dev->i2c_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	dev->i2c_mutex.wait_lock.dep_map->name	0-255
PARAM_VALUE	0	dev->i2c_mutex.wait_lock.owner	(-1)
PARAM_VALUE	0	dev->i2c_mutex.wait_lock.owner_cpu	u32max
PARAM_VALUE	1	bus	1
PARAM_VALUE	4	wlen	0-u16max
PARAM_VALUE	6	len	0-u16max
BUF_SIZE	0	dev	s32min-(-2),1-s32max
BUF_SIZE	0	dev	s32min-(-2),1-s32max
BUF_SIZE	3	wdata	s32min-(-2),1-s32max
BUF_SIZE	5	data	s32min-(-2),1-s32max
CAPPED_DATA	0	&dev->i2c_mutex	1
STR_LEN	0	dev	(-1)
STR_LEN	0	dev	(-1)
BIT_INFO	2	addr	0x0,0xfffe
RX_PATH
TASK_NOT_RUNNING
UNITS	0	dev	unit_byte
UNITS	3	wdata	unit_byte
UNITS	4	wlen	unit_byte
UNITS	5	data	unit_byte
UNITS	6	len	unit_byte
LOCK2	0	&dev->i2c_mutex
TYPE_LOCK		(struct hdpvr_device)->i2c_mutex