From eef90451605d79a5703756505087e0ef16da9077 Mon Sep 17 00:00:00 2001 From: Chris J Arges Date: Wed, 12 Nov 2014 12:07:01 -0600 Subject: ALSA: usb-audio: make set_*_mix_values functions public Make the functions set_cur_mix_value and get_cur_mix_value accessible by files that include mixer.h. In addition make usb_mixer_elem_free accessible. This allows reuse of these functions by mixers that may require quirks. The following summarizes the renamed functions: - set_cur_mix_value -> snd_usb_set_cur_mix_value - get_cur_mix_value -> snd_usb_get_cur_mix_value - usb_mixer_elem_free -> snd_usb_mixer_elem_free Signed-off-by: Chris J Arges Signed-off-by: Takashi Iwai diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index e4aaa21..14e1455 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 7423f99..2478a84 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 4520316..b8b1f48 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) { -- cgit v0.10.2