SND_RAWMIDI_NEW(9) Sound Devices SND_RAWMIDI_NEW(9)NAME
snd_rawmidi_new - create a rawmidi instance
SYNOPSIS
int snd_rawmidi_new(struct snd_card * card, char * id, int device, int output_count, int input_count, struct snd_rawmidi ** rrawmidi);
ARGUMENTS
card
the card instance
id
the id string
device
the device index
output_count
the number of output streams
input_count
the number of input streams
rrawmidi
the pointer to store the new rawmidi instance
DESCRIPTION
Creates a new rawmidi instance. Use snd_rawmidi_set_ops to set the operators to the new instance.
Returns zero if successful, or a negative error code on failure.
COPYRIGHT Kernel Hackers Manual 2.6. July 2010 SND_RAWMIDI_NEW(9)
Check Out this Related Man Page
ddi_get_instance(9F) Kernel Functions for Drivers ddi_get_instance(9F)NAME
ddi_get_instance - get device instance number
SYNOPSIS
#include <sys/ddi.h>
#include <sys/sunddi.h>
int ddi_get_instance(dev_info_t *dip);
INTERFACE LEVEL
Solaris DDI specific (Solaris DDI).
PARAMETERS
dip Pointer to dev_info structure.
DESCRIPTION
ddi_get_instance() returns the instance number of the device corresponding to dip.
The system assigns an instance number to every device. Instance numbers for devices attached to the same driver are unique. This pro-
vides a way for the system and the driver to uniquely identify one or more devices of the same type. The instance number is derived by the
system from different properties for different device types in an implementation specific manner.
Once an instance number has been assigned to a device, it will remain the same even across reconfigurations and reboots. Therefore,
instance numbers seen by a driver may not appear to be in consecutive order. For example, if device foo0 has been assigned an instance
number of 0 and device foo1 has been assigned an instance number of 1, if foo0 is removed, foo1 will continue to be associated with
instance number 1 (even though foo1 is now the only device of its type on the system).
RETURN VALUES
ddi_get_instance() returns the instance number of the device corresponding to dip.
CONTEXT
ddi_get_instance()can be called from user or interrupt context.
SEE ALSO path_to_inst(4)
Writing Device Drivers
SunOS 5.10 20 Jul 1994 ddi_get_instance(9F)
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