NAME¶

snd_pcm_kernel_ioctl - Execute PCM ioctl in the kernel-space

SYNOPSIS¶

int snd_pcm_kernel_ioctl(struct snd_pcm_substream * substream, unsigned int cmd, void * arg);

ARGUMENTS¶

substream

cmd

arg

DESCRIPTION¶

The function is provided primarily for OSS layer and USB gadget drivers, and it allows only the limited set of ioctls (hw_params, sw_params, prepare, start, drain, drop, forward).

COPYRIGHT¶