Function

ALSAHwdepget_device_info

Declaration [src]

gboolean
alsahwdep_get_device_info (
  guint card_id,
  guint device_id,
  ALSAHwdepDeviceInfo** device_info,
  GError** error
)

Description [src]

Get the information according to given numeric IDs for card and device.

The call of function executes open(2), close(2), and ioctl(2) system call with SNDRV_CTL_IOCTL_HWDEP_INFO command for ALSA control character device.

Parameters

`card_id`	`guint`
	The numeric value for sound card to query.
`device_id`	`guint`
	The numeric value of hwdep device to query.
`device_info`	`ALSAHwdepDeviceInfo`
	The information of the device.
	The argument will be set by the function.
	The called function takes ownership of the data, and is responsible for freeing it.
`error`	`GError **`
	The return location for a `GError*`, or `NULL`.

Return value

Returns:	`gboolean`
	`TRUE` when the overall operation finishes successfully, else `FALSE`.