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-rw-r--r--sound/usb/mixer.c34
-rw-r--r--sound/usb/mixer.h8
-rw-r--r--sound/usb/mixer_quirks.c9
3 files changed, 26 insertions, 25 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index e4aaa21baed2..14e1455ca9de 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -412,7 +412,7 @@ static inline int get_cur_mix_raw(struct usb_mixer_elem_info *cval,
value);
}
-static int get_cur_mix_value(struct usb_mixer_elem_info *cval,
+int snd_usb_get_cur_mix_value(struct usb_mixer_elem_info *cval,
int channel, int index, int *value)
{
int err;
@@ -497,7 +497,7 @@ static int set_cur_ctl_value(struct usb_mixer_elem_info *cval,
return snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR, validx, value);
}
-static int set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel,
+int snd_usb_set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel,
int index, int value)
{
int err;
@@ -815,7 +815,7 @@ static struct usb_feature_control_info audio_feature_info[] = {
};
/* private_free callback */
-static void usb_mixer_elem_free(struct snd_kcontrol *kctl)
+void snd_usb_mixer_elem_free(struct snd_kcontrol *kctl)
{
kfree(kctl->private_data);
kctl->private_data = NULL;
@@ -998,7 +998,7 @@ static int get_min_max_with_quirks(struct usb_mixer_elem_info *cval,
else
test -= cval->res;
if (test < cval->min || test > cval->max ||
- set_cur_mix_value(cval, minchn, 0, test) ||
+ snd_usb_set_cur_mix_value(cval, minchn, 0, test) ||
get_cur_mix_raw(cval, minchn, &check)) {
cval->res = last_valid_res;
break;
@@ -1007,7 +1007,7 @@ static int get_min_max_with_quirks(struct usb_mixer_elem_info *cval,
break;
cval->res *= 2;
}
- set_cur_mix_value(cval, minchn, 0, saved);
+ snd_usb_set_cur_mix_value(cval, minchn, 0, saved);
}
cval->initialized = 1;
@@ -1086,7 +1086,7 @@ static int mixer_ctl_feature_get(struct snd_kcontrol *kcontrol,
for (c = 0; c < MAX_CHANNELS; c++) {
if (!(cval->cmask & (1 << c)))
continue;
- err = get_cur_mix_value(cval, c + 1, cnt, &val);
+ err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &val);
if (err < 0)
return cval->mixer->ignore_ctl_error ? 0 : err;
val = get_relative_value(cval, val);
@@ -1096,7 +1096,7 @@ static int mixer_ctl_feature_get(struct snd_kcontrol *kcontrol,
return 0;
} else {
/* master channel */
- err = get_cur_mix_value(cval, 0, 0, &val);
+ err = snd_usb_get_cur_mix_value(cval, 0, 0, &val);
if (err < 0)
return cval->mixer->ignore_ctl_error ? 0 : err;
val = get_relative_value(cval, val);
@@ -1118,26 +1118,26 @@ static int mixer_ctl_feature_put(struct snd_kcontrol *kcontrol,
for (c = 0; c < MAX_CHANNELS; c++) {
if (!(cval->cmask & (1 << c)))
continue;
- err = get_cur_mix_value(cval, c + 1, cnt, &oval);
+ err = snd_usb_get_cur_mix_value(cval, c + 1, cnt, &oval);
if (err < 0)
return cval->mixer->ignore_ctl_error ? 0 : err;
val = ucontrol->value.integer.value[cnt];
val = get_abs_value(cval, val);
if (oval != val) {
- set_cur_mix_value(cval, c + 1, cnt, val);
+ snd_usb_set_cur_mix_value(cval, c + 1, cnt, val);
changed = 1;
}
cnt++;
}
} else {
/* master channel */
- err = get_cur_mix_value(cval, 0, 0, &oval);
+ err = snd_usb_get_cur_mix_value(cval, 0, 0, &oval);
if (err < 0)
return cval->mixer->ignore_ctl_error ? 0 : err;
val = ucontrol->value.integer.value[0];
val = get_abs_value(cval, val);
if (val != oval) {
- set_cur_mix_value(cval, 0, 0, val);
+ snd_usb_set_cur_mix_value(cval, 0, 0, val);
changed = 1;
}
}
@@ -1250,7 +1250,7 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
/*
* If all channels in the mask are marked read-only, make the control
- * read-only. set_cur_mix_value() will check the mask again and won't
+ * read-only. snd_usb_set_cur_mix_value() will check the mask again and won't
* issue write commands to read-only channels.
*/
if (cval->channels == readonly_mask)
@@ -1263,7 +1263,7 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
kfree(cval);
return;
}
- kctl->private_free = usb_mixer_elem_free;
+ kctl->private_free = snd_usb_mixer_elem_free;
len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name));
mapped_name = len != 0;
@@ -1546,7 +1546,7 @@ static void build_mixer_unit_ctl(struct mixer_build *state,
kfree(cval);
return;
}
- kctl->private_free = usb_mixer_elem_free;
+ kctl->private_free = snd_usb_mixer_elem_free;
len = check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name));
if (!len)
@@ -1846,7 +1846,7 @@ static int build_audio_procunit(struct mixer_build *state, int unitid,
kfree(cval);
return -ENOMEM;
}
- kctl->private_free = usb_mixer_elem_free;
+ kctl->private_free = snd_usb_mixer_elem_free;
if (check_mapped_name(map, kctl->id.name, sizeof(kctl->id.name))) {
/* nothing */ ;
@@ -2526,7 +2526,7 @@ static int restore_mixer_value(struct usb_mixer_elem_info *cval)
if (!(cval->cmask & (1 << c)))
continue;
if (cval->cached & (1 << c)) {
- err = set_cur_mix_value(cval, c + 1, idx,
+ err = snd_usb_set_cur_mix_value(cval, c + 1, idx,
cval->cache_val[idx]);
if (err < 0)
return err;
@@ -2536,7 +2536,7 @@ static int restore_mixer_value(struct usb_mixer_elem_info *cval)
} else {
/* master */
if (cval->cached) {
- err = set_cur_mix_value(cval, 0, 0, *cval->cache_val);
+ err = snd_usb_set_cur_mix_value(cval, 0, 0, *cval->cache_val);
if (err < 0)
return err;
}
diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h
index 7423f998cfb5..2478a844a322 100644
--- a/sound/usb/mixer.h
+++ b/sound/usb/mixer.h
@@ -76,4 +76,12 @@ int snd_usb_mixer_suspend(struct usb_mixer_interface *mixer);
int snd_usb_mixer_resume(struct usb_mixer_interface *mixer, bool reset_resume);
#endif
+int snd_usb_set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel,
+ int index, int value);
+
+int snd_usb_get_cur_mix_value(struct usb_mixer_elem_info *cval,
+ int channel, int index, int *value);
+
+extern void snd_usb_mixer_elem_free(struct snd_kcontrol *kctl);
+
#endif /* __USBMIXER_H */
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 45203168ac6d..b8b1f48c1f50 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -52,13 +52,6 @@ struct std_mono_table {
snd_kcontrol_tlv_rw_t *tlv_callback;
};
-/* private_free callback */
-static void usb_mixer_elem_free(struct snd_kcontrol *kctl)
-{
- kfree(kctl->private_data);
- kctl->private_data = NULL;
-}
-
/* This function allows for the creation of standard UAC controls.
* See the quirks for M-Audio FTUs or Ebox-44.
* If you don't want to set a TLV callback pass NULL.
@@ -108,7 +101,7 @@ static int snd_create_std_mono_ctl_offset(struct usb_mixer_interface *mixer,
/* Set name */
snprintf(kctl->id.name, sizeof(kctl->id.name), name);
- kctl->private_free = usb_mixer_elem_free;
+ kctl->private_free = snd_usb_mixer_elem_free;
/* set TLV */
if (tlv_callback) {
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.