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| author | alfred <alfred@FreeBSD.org> | 1999-11-29 23:01:59 +0000 |
|---|---|---|
| committer | alfred <alfred@FreeBSD.org> | 1999-11-29 23:01:59 +0000 |
| commit | 45fc07fd1e5bebf1b658751b681e4491d4b26585 (patch) | |
| tree | 105fb2171872f58d211634ae9e0f517f7b083c8f | |
| parent | 881e17e778165a7b9996e02b2536b0bc141ea759 (diff) | |
| download | FreeBSD-src-45fc07fd1e5bebf1b658751b681e4491d4b26585.zip FreeBSD-src-45fc07fd1e5bebf1b658751b681e4491d4b26585.tar.gz | |
tanimura implemented SNDCTL_DSP_GETODELAY for pcm.
Submitted by: tanimura
| -rw-r--r-- | sys/dev/sound/pcm/dsp.c | 10 | ||||
| -rw-r--r-- | sys/sys/soundcard.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/sys/dev/sound/pcm/dsp.c b/sys/dev/sound/pcm/dsp.c index 3990866..c7d4850 100644 --- a/sys/dev/sound/pcm/dsp.c +++ b/sys/dev/sound/pcm/dsp.c @@ -509,6 +509,16 @@ dsp_ioctl(snddev_info *d, int chan, u_long cmd, caddr_t arg) *arg_i |= PCM_ENABLE_INPUT; break; + case SNDCTL_DSP_GETODELAY: + if (wrch) { + snd_dbuf *b = &wrch->buffer; + if (b->dl) + chn_dmaupdate(wrch); + *arg = b->total; + } else + ret = EINVAL; + break; + case SNDCTL_DSP_MAPINBUF: case SNDCTL_DSP_MAPOUTBUF: case SNDCTL_DSP_SETSYNCRO: diff --git a/sys/sys/soundcard.h b/sys/sys/soundcard.h index 1649f8a..f6f577a 100644 --- a/sys/sys/soundcard.h +++ b/sys/sys/soundcard.h @@ -798,6 +798,7 @@ typedef struct buffmem_desc { #define SNDCTL_DSP_MAPINBUF _IOR ('P', 19, buffmem_desc) #define SNDCTL_DSP_MAPOUTBUF _IOR ('P', 20, buffmem_desc) #define SNDCTL_DSP_SETSYNCRO _IO ('P', 21) +#define SNDCTL_DSP_GETODELAY _IOR ('P', 23, int) /* * I guess these are the readonly version of the same |
