diff options
| author | Alexander Leidinger <netchild@FreeBSD.org> | 2004-07-02 15:31:44 +0000 |
|---|---|---|
| committer | Alexander Leidinger <netchild@FreeBSD.org> | 2004-07-02 15:31:44 +0000 |
| commit | a92c890fd179386f34a4d4a91993c1eedb8ae056 (patch) | |
| tree | 53f37d81502aa7a7aad9b21b4c91c28a5f59e77d /sys/dev | |
| parent | a5a5d84784f44fe6e9e25b6ec71968e257202837 (diff) | |
Notes
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/sound/pcm/dsp.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sys/dev/sound/pcm/dsp.c b/sys/dev/sound/pcm/dsp.c index 29fe27f946377..64088f95117c0 100644 --- a/sys/dev/sound/pcm/dsp.c +++ b/sys/dev/sound/pcm/dsp.c @@ -1006,6 +1006,15 @@ dsp_ioctl(struct cdev *i_dev, u_long cmd, caddr_t arg, int mode, struct thread * } break; + case SNDCTL_DSP_SETDUPLEX: + /* + * switch to full-duplex mode if card is in half-duplex + * mode and is able to work in full-duplex mode + */ + if (rdch && wrch && (dsp_get_flags(i_dev) & SD_F_SIMPLEX)) + dsp_set_flags(i_dev, dsp_get_flags(i_dev)^SD_F_SIMPLEX); + break; + case SNDCTL_DSP_MAPINBUF: case SNDCTL_DSP_MAPOUTBUF: case SNDCTL_DSP_SETSYNCRO: @@ -1015,6 +1024,7 @@ dsp_ioctl(struct cdev *i_dev, u_long cmd, caddr_t arg, int mode, struct thread * case SOUND_PCM_WRITE_FILTER: case SOUND_PCM_READ_FILTER: /* dunno what these do, don't sound important */ + default: DEB(printf("default ioctl fn 0x%08lx fail\n", cmd)); ret = EINVAL; |