The branch main has been updated by christos: URL: https://cgit.FreeBSD.org/src/commit/?id=8b8dbc6bbe391fd95a19bd1d9f0aac47bac085f8
commit 8b8dbc6bbe391fd95a19bd1d9f0aac47bac085f8 Author: Christos Margiolis <[email protected]> AuthorDate: 2026-04-17 16:10:48 +0000 Commit: Christos Margiolis <[email protected]> CommitDate: 2026-05-27 15:27:11 +0000 sndctl(8): Implement EQ controls Sponsored by: The FreeBSD Foundation MFC after: 1 week Pull Request: https://ron-dev.freebsd.org/FreeBSD/src/pulls/15 --- usr.sbin/sndctl/sndctl.8 | 4 +++- usr.sbin/sndctl/sndctl.c | 41 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 44 insertions(+), 1 deletion(-) diff --git a/usr.sbin/sndctl/sndctl.8 b/usr.sbin/sndctl/sndctl.8 index 73414bd95325..44dcb791ca51 100644 --- a/usr.sbin/sndctl/sndctl.8 +++ b/usr.sbin/sndctl/sndctl.8 @@ -27,7 +27,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.Dd December 2, 2025 +.Dd April 17, 2026 .Dt SNDCTL 8 .Os .Sh NAME @@ -82,6 +82,8 @@ The device controls are as follows: .It bitperfect Ta Boolean Ta Read/Write Ta Bit-perfect mode enabled .It autoconv Ta Boolean Ta Read/Write Ta Auto-conversions enabled .It realtime Ta Boolean Ta Read/Write Ta Real-time mode enabled +.It eq Ta Boolean Ta Read/Write Ta Equalization enabled +.It eq_preamp Ta String Ta Read/Write Ta Equalization preamp value (in dB) .It play Ta Group Ta Read Ta Playback properties .It play.format Ta String Ta Read/Write Ta Playback format .It play.rate Ta Number Ta Read/Write Ta Playback sample rate diff --git a/usr.sbin/sndctl/sndctl.c b/usr.sbin/sndctl/sndctl.c index bbc2da6a4ab9..778643a2a978 100644 --- a/usr.sbin/sndctl/sndctl.c +++ b/usr.sbin/sndctl/sndctl.c @@ -97,6 +97,8 @@ struct snd_dev { int bitperfect; int realtime; int autoconv; + int eq; + char eq_preamp[BUFSIZ]; struct { char format[FMTSTR_LEN]; int rate; @@ -130,6 +132,8 @@ struct map { static int mod_bitperfect(struct snd_dev *, void *); static int mod_autoconv(struct snd_dev *, void *); static int mod_realtime(struct snd_dev *, void *); +static int mod_eq(struct snd_dev *, void *); +static int mod_eq_preamp(struct snd_dev *, void *); static int mod_play_vchans(struct snd_dev *, void *); static int mod_play_rate(struct snd_dev *, void *); static int mod_play_format(struct snd_dev *, void *); @@ -149,6 +153,8 @@ static struct snd_ctl dev_ctls[] = { { "bitperfect", F(bitperfect), NUM, mod_bitperfect }, { "autoconv", F(autoconv), NUM, mod_autoconv }, { "realtime", F(realtime), NUM, mod_realtime }, + { "eq", F(eq), NUM, mod_eq }, + { "eq_preamp", F(eq_preamp), STR, mod_eq_preamp }, { "play", F(play), GRP, NULL }, { "play.format", F(play.format), STR, mod_play_format }, { "play.rate", F(play.rate), NUM, mod_play_rate }, @@ -436,6 +442,7 @@ read_dev(char *path) struct sndstioc_nv_arg arg; struct snd_dev *dp = NULL; struct snd_chan *ch; + char buf[64]; size_t nitems, nchans, i, j; int fd, caps, unit, t1, t2, t3; @@ -557,6 +564,14 @@ read_dev(char *path) if (t1 == 0 && t2 == 0 && t3 == 0) dp->realtime = 1; + snprintf(buf, sizeof(buf), "dev.pcm.%d.eq", dp->unit); + if (sysctl_int(buf, NULL, &dp->eq)) + xo_err(1, "%s: sysctl", dp->name); + + snprintf(buf, sizeof(buf), "dev.pcm.%d.eq_preamp", dp->unit); + if (sysctl_str(buf, NULL, dp->eq_preamp, sizeof(dp->eq_preamp))) + xo_err(1, "%s: sysctl", dp->name); + if (!nvlist_exists(nvlist_get_nvlist(di[i], SNDST_DSPS_PROVIDER_INFO), SNDST_DSPS_SOUND4_CHAN_INFO)) xo_errx(1, "%s: channel info list empty", dp->name); @@ -842,6 +857,32 @@ mod_realtime(struct snd_dev *dp, void *arg) return (rc); } +static int +mod_eq(struct snd_dev *dp, void *arg) +{ + char buf[64]; + + if (dp->from_user) + return (-1); + + snprintf(buf, sizeof(buf), "dev.pcm.%d.eq", dp->unit); + + return (sysctl_int(buf, arg, &dp->eq)); +} + +static int +mod_eq_preamp(struct snd_dev *dp, void *arg) +{ + char buf[64]; + + if (dp->from_user) + return (-1); + + snprintf(buf, sizeof(buf), "dev.pcm.%d.eq_preamp", dp->unit); + + return (sysctl_str(buf, arg, dp->eq_preamp, sizeof(dp->eq_preamp))); +} + static int mod_play_vchans(struct snd_dev *dp, void *arg) {
