a4l_subdevice Struct Reference
[Subdevice management services]

Collaboration diagram for a4l_subdevice:

Detailed Description

Structure describing the subdevice.


Data Fields
struct list_head	list
	List stuff.
struct a4l_device *	dev
	Containing device.
unsigned int	idx
	Subdevice index.
unsigned long	flags
	Type flags.
a4l_chdesc_t *	chan_desc
	Tab of channels descriptors pointers.
a4l_rngdesc_t *	rng_desc
	Tab of ranges descriptors pointers.
a4l_cmd_t *	cmd_mask
	Command capabilities mask.
int(*	insn_read )(struct a4l_subdevice , a4l_kinsn_t )
	Callback for the instruction "read".
int(*	insn_write )(struct a4l_subdevice , a4l_kinsn_t )
	Callback for the instruction "write".
int(*	insn_bits )(struct a4l_subdevice , a4l_kinsn_t )
	Callback for the instruction "bits".
int(*	insn_config )(struct a4l_subdevice , a4l_kinsn_t )
	Callback for the configuration instruction.
int(*	do_cmd )(struct a4l_subdevice , a4l_cmd_t )
	Callback for command handling.
int(*	do_cmdtest )(struct a4l_subdevice , a4l_cmd_t )
	Callback for command checking.
int(*	cancel )(struct a4l_subdevice *)
	Callback for asynchronous transfer cancellation.
void(*	munge )(struct a4l_subdevice , void , unsigned long)
	Callback for munge operation.
int(*	trigger )(struct a4l_subdevice *, lsampl_t)
	Callback for trigger operation.
char	priv [0]
	Private data.

The documentation for this struct was generated from the following file: