git: cccdc51d98f9 - stable/14 - snd_uaudio: Remove unused sc_sndstat sbuf

The branch stable/14 has been updated by christos:

URL: https://cgit.FreeBSD.org/src/commit/?id=cccdc51d98f9ca6bcab996830e9cecaaa4bd43e9

commit cccdc51d98f9ca6bcab996830e9cecaaa4bd43e9
Author:     Christos Margiolis <christos@FreeBSD.org>
AuthorDate: 2024-07-06 18:22:26 +0000
Commit:     Christos Margiolis <christos@FreeBSD.org>
CommitDate: 2024-07-10 16:48:12 +0000

    snd_uaudio: Remove unused sc_sndstat sbuf
    
    This information is also printed to dmesg(8) on attach.
    
    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)
---
 sys/dev/sound/usb/uaudio.c | 18 ------------------
 1 file changed, 18 deletions(-)

diff --git a/sys/dev/sound/usb/uaudio.c b/sys/dev/sound/usb/uaudio.c
index d47eb86ed271..c202ac581119 100644
--- a/sys/dev/sound/usb/uaudio.c
+++ b/sys/dev/sound/usb/uaudio.c
@@ -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