diff options
| author | Alexander Motin <mav@FreeBSD.org> | 2014-09-06 15:24:48 +0000 |
|---|---|---|
| committer | Alexander Motin <mav@FreeBSD.org> | 2014-09-06 15:24:48 +0000 |
| commit | 8a4343de258a6766dbe151d13b5fc047959fbae2 (patch) | |
| tree | e5a350db73b97502bc7aacc3bdefdf916828f614 /sys/dev | |
| parent | 0742873d1ae0977f42623c6b8010d6b30c8fc3b2 (diff) | |
Notes
Diffstat (limited to 'sys/dev')
| -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 8f9a5fb3a7f3..7a349071e418 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) |