diff options
Diffstat (limited to 'sound/usb/mixer.c')
| -rw-r--r-- | sound/usb/mixer.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index bf74e7edc92b..898afd3001ea 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -598,7 +598,8 @@ int snd_usb_mixer_add_control(struct usb_mixer_elem_list *list, while (snd_ctl_find_id(mixer->chip->card, &kctl->id)) kctl->id.index++; - if ((err = snd_ctl_add(mixer->chip->card, kctl)) < 0) { + err = snd_ctl_add(mixer->chip->card, kctl); + if (err < 0) { usb_audio_dbg(mixer->chip, "cannot add control (err = %d)\n", err); return err; @@ -1850,7 +1851,8 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid, } /* parse the source unit */ - if ((err = parse_audio_unit(state, hdr->bSourceID)) < 0) + err = parse_audio_unit(state, hdr->bSourceID); + if (err < 0) return err; /* determine the input source type and name */ @@ -2270,7 +2272,8 @@ static int build_audio_procunit(struct mixer_build *state, int unitid, } for (i = 0; i < num_ins; i++) { - if ((err = parse_audio_unit(state, desc->baSourceID[i])) < 0) + err = parse_audio_unit(state, desc->baSourceID[i]); + if (err < 0) return err; } @@ -2483,7 +2486,8 @@ static int parse_audio_selector_unit(struct mixer_build *state, int unitid, } for (i = 0; i < desc->bNrInPins; i++) { - if ((err = parse_audio_unit(state, desc->baSourceID[i])) < 0) + err = parse_audio_unit(state, desc->baSourceID[i]); + if (err < 0) return err; } @@ -3310,11 +3314,16 @@ int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, if (mixer->protocol == UAC_VERSION_3 && chip->badd_profile >= UAC3_FUNCTION_SUBCLASS_GENERIC_IO) { - if ((err = snd_usb_mixer_controls_badd(mixer, ctrlif)) < 0) + err = snd_usb_mixer_controls_badd(mixer, ctrlif); + if (err < 0) + goto _error; + } else { + err = snd_usb_mixer_controls(mixer); + if (err < 0) + goto _error; + err = snd_usb_mixer_status_create(mixer); + if (err < 0) goto _error; - } else if ((err = snd_usb_mixer_controls(mixer)) < 0 || - (err = snd_usb_mixer_status_create(mixer)) < 0) { - goto _error; } err = create_keep_iface_ctl(mixer); if (err < 0) |