diff options
Diffstat (limited to 'sys/compat/linux/linux_audio.c')
| -rw-r--r-- | sys/compat/linux/linux_audio.c | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/sys/compat/linux/linux_audio.c b/sys/compat/linux/linux_audio.c index 8e2bc234e4f..8b13d4c4bdd 100644 --- a/sys/compat/linux/linux_audio.c +++ b/sys/compat/linux/linux_audio.c @@ -1,4 +1,4 @@ -/* $OpenBSD: linux_audio.c,v 1.2 1996/04/18 21:21:38 niklas Exp $ */ +/* $OpenBSD: linux_audio.c,v 1.3 1996/09/16 15:34:27 mickey Exp $ */ #include <sys/param.h> #include <sys/proc.h> @@ -73,6 +73,21 @@ linux_ioctl_audio(p, uap, retval) if (error) return error; break; + case LINUX_SNDCTL_DSP_WRITE_CHANNELS: + AUDIO_INITINFO(&tmpinfo); + error = copyin(SCARG(uap, data), &idat, sizeof idat); + if (error) + return error; + tmpinfo.play.channels = idat; + (void) (*fp->f_ops->fo_ioctl)(fp, AUDIO_SETINFO, (caddr_t)&tmpinfo, p); + error = (*fp->f_ops->fo_ioctl)(fp, AUDIO_GETINFO, (caddr_t)&tmpinfo, p); + if (error) + return error; + idat = tmpinfo.play.channels; + error = copyout(&idat, SCARG(uap, data), sizeof idat); + if (error) + return error; + break; case LINUX_SNDCTL_DSP_STEREO: AUDIO_INITINFO(&tmpinfo); error = copyin(SCARG(uap, data), &idat, sizeof idat); @@ -135,7 +150,26 @@ linux_ioctl_audio(p, uap, retval) error = (*fp->f_ops->fo_ioctl)(fp, AUDIO_GETINFO, (caddr_t)&tmpinfo, p); if (error) return error; - /*XXXX*/ + switch(tmpinfo.play.encoding) { + case AUDIO_ENCODING_LINEAR: + if (tmpinfo.play.precision == 8) + idat = LINUX_AFMT_U8; + else if (tmpinfo.play.precision == 16) + idat = LINUX_AFMT_S16_LE; + else return EINVAL; + break; + case AUDIO_ENCODING_ULAW: + idat = LINUX_AFMT_MU_LAW; + break; + case AUDIO_ENCODING_ALAW: + idat = LINUX_AFMT_A_LAW; + break; + default: + return EINVAL; + } + error = copyout(&idat, SCARG(uap, data), sizeof idat); + if (error) + return error; break; case LINUX_SNDCTL_DSP_SETFRAGMENT: AUDIO_INITINFO(&tmpinfo); |