static long snd_compr_ioctl(struct file *f, unsigned int cmd, unsigned long arg) { struct snd_compr_file *data = f->private_data; struct snd_compr_stream *stream; int retval = -ENOTTY; if (snd_BUG_ON(!data)) return -EFAULT; stream = &data->stream; if (snd_BUG_ON(!stream)) return -EFAULT; mutex_lock(&stream->device->lock); switch (_IOC_NR(cmd)) { case _IOC_NR(SNDRV_COMPRESS_SET_PARAMS): retval = snd_compr_set_params(stream, arg); break; case _IOC_NR(SNDRV_COMPRESS_GET_PARAMS): retval = snd_compr_get_params(stream, arg); break; case _IOC_NR(SNDRV_COMPRESS_SET_METADATA): retval = snd_compr_set_metadata(stream, arg); break; case _IOC_NR(SNDRV_COMPRESS_GET_METADATA): retval = snd_compr_get_metadata(stream, arg); break; case _IOC_NR(SNDRV_COMPRESS_PAUSE): retval = snd_compr_pause(stream); break; case _IOC_NR(SNDRV_COMPRESS_RESUME): retval = snd_compr_resume(stream); break; case _IOC_NR(SNDRV_COMPRESS_START): retval = snd_compr_start(stream); break; case _IOC_NR(SNDRV_COMPRESS_STOP): retval = snd_compr_stop(stream); break; case _IOC_NR(SNDRV_COMPRESS_NEXT_TRACK): retval = snd_compr_next_track(stream); break; default: mutex_unlock(&stream->device->lock); return snd_compress_simple_ioctls(f, stream, cmd, arg); } mutex_unlock(&stream->device->lock); return retval; }
static long snd_compr_ioctl(struct file *f, unsigned int cmd, unsigned long arg) { struct snd_compr_file *data = f->private_data; struct snd_compr_stream *stream; int retval = -ENOTTY; if (snd_BUG_ON(!data)) return -EFAULT; stream = &data->stream; if (snd_BUG_ON(!stream)) return -EFAULT; mutex_lock(&stream->device->lock); switch (_IOC_NR(cmd)) { case _IOC_NR(SNDRV_COMPRESS_IOCTL_VERSION): retval = put_user(SNDRV_COMPRESS_VERSION, (int __user *)arg) ? -EFAULT : 0; break; case _IOC_NR(SNDRV_COMPRESS_GET_CAPS): retval = snd_compr_get_caps(stream, arg); break; case _IOC_NR(SNDRV_COMPRESS_GET_CODEC_CAPS): retval = snd_compr_get_codec_caps(stream, arg); break; case _IOC_NR(SNDRV_COMPRESS_SET_PARAMS): retval = snd_compr_set_params(stream, arg); break; case _IOC_NR(SNDRV_COMPRESS_GET_PARAMS): retval = snd_compr_get_params(stream, arg); break; case _IOC_NR(SNDRV_COMPRESS_TSTAMP): retval = snd_compr_tstamp(stream, arg); break; case _IOC_NR(SNDRV_COMPRESS_AVAIL): retval = snd_compr_ioctl_avail(stream, arg); break; case _IOC_NR(SNDRV_COMPRESS_PAUSE): retval = snd_compr_pause(stream); break; case _IOC_NR(SNDRV_COMPRESS_RESUME): retval = snd_compr_resume(stream); break; case _IOC_NR(SNDRV_COMPRESS_START): retval = snd_compr_start(stream); break; case _IOC_NR(SNDRV_COMPRESS_STOP): retval = snd_compr_stop(stream); break; case _IOC_NR(SNDRV_COMPRESS_DRAIN): retval = snd_compr_drain(stream); break; } mutex_unlock(&stream->device->lock); return retval; }