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snd_uaudio: Remove unused sc_sndstat sbuf

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Sponsored by:	The FreeBSD Foundation
MFC after:	2 days
Reviewed by:	dev_submerge.ch, markj
Differential Revision:	https://reviews.freebsd.org/D45771

(cherry picked from commit 3402d474ceb8541d07689bad6960f90739129997)
This commit is contained in:
Christos Margiolis 2024-07-06 20:22:26 +02:00
parent c9d9975cd4
commit cccdc51d98
1 changed files with 0 additions and 18 deletions
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18
sys/dev/sound/usb/uaudio.c
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@ -368,7 +368,6 @@ struct uaudio_softc_child {
};
struct uaudio_softc {
struct sbuf sc_sndstat;
struct sndcard_func sc_sndcard_func;
struct uaudio_chan sc_rec_chan[UAUDIO_MAX_CHILD];
struct uaudio_chan sc_play_chan[UAUDIO_MAX_CHILD];
@ -391,7 +390,6 @@ struct uaudio_softc {
uint8_t sc_mixer_iface_index;
uint8_t sc_mixer_iface_no;
uint8_t sc_mixer_chan;
uint8_t sc_sndstat_valid:1;
uint8_t sc_uq_audio_swap_lr:1;
uint8_t sc_uq_au_inp_async:1;
uint8_t sc_uq_au_no_xu:1;
@ -1293,8 +1291,6 @@ uaudio_detach(device_t dev)
if (bus_generic_detach(dev) != 0) {
DPRINTF("detach failed!\n");
}
sbuf_delete(&sc->sc_sndstat);
sc->sc_sndstat_valid = 0;
umidi_detach(dev);
@ -2149,15 +2145,6 @@ uaudio_chan_fill_info_sub(struct uaudio_softc *sc, struct usb_device *udev,
if (rate > chan->pcm_cap.maxspeed || chan->pcm_cap.maxspeed == 0)
chan->pcm_cap.maxspeed = rate;
if (sc->sc_sndstat_valid != 0) {
sbuf_printf(&sc->sc_sndstat, "\n\t"
"mode %d.%d:(%s) %dch, %dbit, %s, %dHz",
curidx, alt_index,
(ep_dir == UE_DIR_IN) ? "input" : "output",
channels, p_fmt->bPrecision,
p_fmt->description, rate);
}
next_ep:
sed.v1 = NULL;
ed1 = NULL;
@ -2230,9 +2217,6 @@ uaudio_chan_fill_info(struct uaudio_softc *sc, struct usb_device *udev)
if (channels == 0)
channels = channels_max;
if (sbuf_new(&sc->sc_sndstat, NULL, 4096, SBUF_AUTOEXTEND))
sc->sc_sndstat_valid = 1;
/* try to search for a valid config */
for (x = channels; x; x--) {
@ -2263,8 +2247,6 @@ uaudio_chan_fill_info(struct uaudio_softc *sc, struct usb_device *udev)
if (x == (channels + 1))
x--;
}
if (sc->sc_sndstat_valid)
sbuf_finish(&sc->sc_sndstat);
}
static void