diff options
Diffstat (limited to 'misc/man9ossddk/ossddk_adev_set_channels.9ossddk')
| -rw-r--r-- | misc/man9ossddk/ossddk_adev_set_channels.9ossddk | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/misc/man9ossddk/ossddk_adev_set_channels.9ossddk b/misc/man9ossddk/ossddk_adev_set_channels.9ossddk new file mode 100644 index 0000000..fb1cf57 --- /dev/null +++ b/misc/man9ossddk/ossddk_adev_set_channels.9ossddk @@ -0,0 +1,63 @@ +'\" te +.\" Copyright (c) 2005, 4Front Technologies 2005\&. +.TH ossddk_adev_set_channels 9ossddk "12 Sep 2005" "SunOS 5.10" "OSS DDK Services" +.SH "NAME" +ossddk_adev_set_channels \- Set the supported channel configuration +.PP +.SH "SYNOPSIS" +.nf +#include <sys/soundcard.h> +.LP +#include <sys/ossddk/ossddk.h> +.fi +.LP +\fBvoid\fR ossddk_adev_set_channels(\fBint \fIdev\fP, \fBint \fImin_channels\fP, \fBint \fImax_channels\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\fImin_channels\fR +.in +16n +.rt +Minimum number of channels (should be at least 1). +.in -16n +.sp +.ne 2 +.mk +\fB\fImax_channels\fR +.in +16n +.rt +Maximum number of channels supported. +.in -16n +.PP +.SH "DESCRIPTION" +.PP +This function sets meta information that can be read using the \fISNDCTL_AUDIOINFO(2oss)\fR ioctl call. It is recommended that the driver calls this function after installing +the audio device. +.PP +This call sets only the bounds to the number of channels supported by the device. It's +possible that the device doesn't support all possible channel configurations between +these limits. For example it may support 2 and 8 channels but not anything between +them. This is OK and the driver developer should not worry about this. +.PP +.SH "SEE ALSO" +.PP +\fISNDCTL_AUDIOINFO(2oss)\fR +.LP +\fIWriting Sound Device Drivers with OSS DDK\fR +.LP +\fIOpen Sound System Programmer's Guide\fR |