diff options
| author | mav <mav@FreeBSD.org> | 2014-09-06 15:24:48 +0000 |
|---|---|---|
| committer | mav <mav@FreeBSD.org> | 2014-09-06 15:24:48 +0000 |
| commit | 273fd132165d21fb00358721a0061170eb38177a (patch) | |
| tree | e5a350db73b97502bc7aacc3bdefdf916828f614 /sys/dev/sound | |
| parent | ed4c49e7dd0635009225ccd41194c41c10f63915 (diff) | |
| download | FreeBSD-src-273fd132165d21fb00358721a0061170eb38177a.zip FreeBSD-src-273fd132165d21fb00358721a0061170eb38177a.tar.gz | |
MFC r269228:
Add support for SOUND_MIXER_INFO IOCTL, used by gstreamer.
Submitted by: Dmitry Luhtionov <dmitryluhtionov@gmail.com>
Approved by: re (marius)
Diffstat (limited to 'sys/dev/sound')
| -rw-r--r-- | sys/dev/sound/pcm/mixer.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sys/dev/sound/pcm/mixer.c b/sys/dev/sound/pcm/mixer.c index 8f9a5fb..7a34907 100644 --- a/sys/dev/sound/pcm/mixer.c +++ b/sys/dev/sound/pcm/mixer.c @@ -1222,6 +1222,15 @@ mixer_ioctl(struct cdev *i_dev, u_long cmd, caddr_t arg, int mode, return (ret); } +static void +mixer_mixerinfo(struct snd_mixer *m, mixer_info *mi) +{ + bzero((void *)mi, sizeof(*mi)); + strlcpy(mi->id, m->name, sizeof(mi->id)); + strlcpy(mi->name, device_get_desc(m->dev), sizeof(mi->name)); + mi->modify_counter = m->modify_counter; +} + /* * XXX Make sure you can guarantee concurrency safety before calling this * function, be it through Giant, PCM_*, etc ! @@ -1280,6 +1289,10 @@ mixer_ioctl_cmd(struct cdev *i_dev, u_long cmd, caddr_t arg, int mode, *arg_i = SOUND_VERSION; ret = 0; goto done; + case SOUND_MIXER_INFO: + mixer_mixerinfo(m, (mixer_info *)arg); + ret = 0; + goto done; } if ((cmd & ~0xff) == MIXER_WRITE(0)) { if (j == SOUND_MIXER_RECSRC) |
