Date: Sat, 13 Sep 2014 15:20:50 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r271513 - stable/9/sys/dev/sound/pcm Message-ID: <201409131520.s8DFKoqB078538@svn.freebsd.org>
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Author: mav Date: Sat Sep 13 15:20:49 2014 New Revision: 271513 URL: http://svnweb.freebsd.org/changeset/base/271513 Log: MFC r269228: Add support for SOUND_MIXER_INFO IOCTL, used by gstreamer. Submitted by: Dmitry Luhtionov <dmitryluhtionov@gmail.com> Modified: stable/9/sys/dev/sound/pcm/mixer.c Directory Properties: stable/9/ (props changed) stable/9/sys/ (props changed) stable/9/sys/dev/ (props changed) Modified: stable/9/sys/dev/sound/pcm/mixer.c ============================================================================== --- stable/9/sys/dev/sound/pcm/mixer.c Sat Sep 13 15:05:10 2014 (r271512) +++ stable/9/sys/dev/sound/pcm/mixer.c Sat Sep 13 15:20:49 2014 (r271513) @@ -1222,6 +1222,15 @@ 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 ! @@ -1280,6 +1289,10 @@ 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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