snd_pcm_lib_ioctl (9) - Linux Manuals
snd_pcm_lib_ioctl: a generic PCM ioctl callback
NAME
snd_pcm_lib_ioctl - a generic PCM ioctl callback
SYNOPSIS
-
int snd_pcm_lib_ioctl(struct snd_pcm_substream
* substream, unsigned intcmd, void * arg);
ARGUMENTS
substream
-
- the pcm substream instance
cmd
- ioctl command
arg
- ioctl argument
DESCRIPTION
Processes the generic ioctl commands for PCM. Can be passed as the ioctl callback for PCM ops.
RETURN
Zero if successful, or a negative error code on failure.
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