table of contents
| SND_PCM_LIB_IOCTL(9) | PCM API | SND_PCM_LIB_IOCTL(9) |
NAME¶
snd_pcm_lib_ioctl - a generic PCM ioctl callback
SYNOPSIS¶
int snd_pcm_lib_ioctl(struct snd_pcm_substream * substream, unsigned int cmd, 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.
Returns zero if successful, or a negative error code on failure.
COPYRIGHT¶
| May 2024 | Kernel Hackers Manual 2.6. |