Date: Tue, 29 Jul 2014 08:31:10 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r269228 - head/sys/dev/sound/pcm Message-ID: <201407290831.s6T8VAAQ039440@svn.freebsd.org>
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Author: mav Date: Tue Jul 29 08:31:10 2014 New Revision: 269228 URL: http://svnweb.freebsd.org/changeset/base/269228 Log: Add support for SOUND_MIXER_INFO IOCTL, used by gstreamer. Submitted by: Dmitry Luhtionov <dmitryluhtionov@gmail.com> MFC after: 2 weeks Modified: head/sys/dev/sound/pcm/mixer.c Modified: head/sys/dev/sound/pcm/mixer.c ============================================================================== --- head/sys/dev/sound/pcm/mixer.c Tue Jul 29 08:00:13 2014 (r269227) +++ head/sys/dev/sound/pcm/mixer.c Tue Jul 29 08:31:10 2014 (r269228) @@ -1221,6 +1221,15 @@ mixer_ioctl(struct cdev *i_dev, u_long c 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 ! @@ -1279,6 +1288,10 @@ mixer_ioctl_cmd(struct cdev *i_dev, u_lo *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)
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