git: 3402d474ceb8 - main - snd_uaudio: Remove unused sc_sndstat sbuf

[Christos Margiolis]

The branch main has been updated by christos:

URL: 
https://cgit.FreeBSD.org/src/commit/?id=3402d474ceb8541d07689bad6960f90739129997

commit 3402d474ceb8541d07689bad6960f90739129997
Author:     Christos Margiolis <chris...@freebsd.org>
AuthorDate: 2024-07-06 18:22:26 +0000
Commit:     Christos Margiolis <chris...@freebsd.org>
CommitDate: 2024-07-06 18:22:26 +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
---
 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