Date: Mon, 13 Apr 2020 16:19:12 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-11@freebsd.org Subject: svn commit: r359868 - stable/11/sys/dev/sound/usb Message-ID: <202004131619.03DGJC4X080406@repo.freebsd.org>
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Author: hselasky Date: Mon Apr 13 16:19:12 2020 New Revision: 359868 URL: https://svnweb.freebsd.org/changeset/base/359868 Log: MFC r359320: Avoid scaling USB audio mixer values twice. Sponsored by: Mellanox Technologies Modified: stable/11/sys/dev/sound/usb/uaudio.c Directory Properties: stable/11/ (props changed) Modified: stable/11/sys/dev/sound/usb/uaudio.c ============================================================================== --- stable/11/sys/dev/sound/usb/uaudio.c Mon Apr 13 16:18:38 2020 (r359867) +++ stable/11/sys/dev/sound/usb/uaudio.c Mon Apr 13 16:19:12 2020 (r359868) @@ -552,10 +552,7 @@ static void uaudio_mixer_add_ctl(struct uaudio_softc * struct uaudio_mixer_node *); static void uaudio_mixer_fill_info(struct uaudio_softc *, struct usb_device *, void *); -static void uaudio_mixer_ctl_set(struct uaudio_softc *, - struct uaudio_mixer_node *, uint8_t, int32_t val); static int uaudio_mixer_signext(uint8_t, int); -static int uaudio_mixer_bsd2value(struct uaudio_mixer_node *, int32_t val); static void uaudio_mixer_init(struct uaudio_softc *); static const struct uaudio_terminal_node *uaudio_mixer_get_input( const struct uaudio_terminal_node *, uint8_t); @@ -5373,7 +5370,7 @@ uaudio_mixer_signext(uint8_t type, int val) } static int -uaudio_mixer_bsd2value(struct uaudio_mixer_node *mc, int32_t val) +uaudio_mixer_bsd2value(struct uaudio_mixer_node *mc, int val) { if (mc->type == MIX_ON_OFF) { val = (val != 0); @@ -5385,7 +5382,7 @@ uaudio_mixer_bsd2value(struct uaudio_mixer_node *mc, i } else { /* compute actual volume */ - val = (val * mc->mul) / 255; + val = (val * mc->mul) / 100; /* add lower offset */ val = val + mc->minval; @@ -5404,7 +5401,7 @@ uaudio_mixer_bsd2value(struct uaudio_mixer_node *mc, i static void uaudio_mixer_ctl_set(struct uaudio_softc *sc, struct uaudio_mixer_node *mc, - uint8_t chan, int32_t val) + uint8_t chan, int val) { val = uaudio_mixer_bsd2value(mc, val); @@ -5493,8 +5490,7 @@ uaudio_mixer_set(struct uaudio_softc *sc, unsigned typ if (mc->ctl == type) { for (chan = 0; chan < mc->nchan; chan++) { uaudio_mixer_ctl_set(sc, mc, chan, - (int)((chan == 0 ? left : right) * - 255) / 100); + chan == 0 ? left : right); } } }
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