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Diffstat (limited to 'misc/man9ossddk/ossddk_adev_set_enable_flag.9ossddk')
| -rw-r--r-- | misc/man9ossddk/ossddk_adev_set_enable_flag.9ossddk | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/misc/man9ossddk/ossddk_adev_set_enable_flag.9ossddk b/misc/man9ossddk/ossddk_adev_set_enable_flag.9ossddk new file mode 100644 index 0000000..1c72fe6 --- /dev/null +++ b/misc/man9ossddk/ossddk_adev_set_enable_flag.9ossddk @@ -0,0 +1,52 @@ +'\" te +.\" Copyright (c) 2005, 4Front Technologies 2005\&. +.TH ossddk_adev_set_enable_flag 9ossddk "12 Sep 2005" "SunOS 5.10" "OSS DDK Services" +.SH "NAME" +ossddk_adev_set_enable_flag \- Set or reset the device enabled flag. +.PP +.SH "SYNOPSIS" +.nf +#include <sys/soundcard.h> +.LP +#include <sys/ossddk/ossddk.h> +.fi +.LP +\fBvoid\fR ossddk_adev_set_enable_flag(\fBint \fIdev\fP, \fBint \fIstate\fP); +.PP +.SH "INTERFACE LEVEL" +.PP +Open Sound System specific (OSS 4.0 DDK)\&. +.PP +.SH "ARGUMENTS" +.PP +.sp +.ne 2 +.mk +\fB\fIdev\fR +.in +16n +.rt +OSS audio device number. +.in -16n +.sp +.ne 2 +.mk +\fB\fIstate\fR +.in +16n +.rt +Device enabled flag (1=available and 0=unavailable). +.in -16n +.PP +.SH "DESCRIPTION" +.PP +Drivers for hot pluggable/unpluggable devices (such as USB or Firewire) can set this +flag at the moment when the device gets unplugged and turn it of when it becomes +available again. By defalt the device is available. Drivers for noh-pluggable devices +(PCI, ISA) must not care about this flag. +.PP +This information is used to prevent OSS from opening a device when it's not present. However this doesn't guarantee that no driver calls are made. The driver must check itself +if the device is really present before doing any operations. +.PP +.SH "SEE ALSO" +.PP +\fIWriting Sound Device Drivers with OSS DDK\fR +\fIOpen Sound System Programmer's Guide\fR |