PCI miXart driver code contains a few assignments in if condition, which is a bad coding style that may confuse readers and occasionally lead to bugs.
This patch is merely for coding-style fixes, no functional changes.
Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/pci/mixart/mixart.c | 29 ++++++++++++++++++----------- sound/pci/mixart/mixart_hwdep.c | 17 ++++++++++++----- sound/pci/mixart/mixart_mixer.c | 33 ++++++++++++++++++++++----------- 3 files changed, 52 insertions(+), 27 deletions(-)
diff --git a/sound/pci/mixart/mixart.c b/sound/pci/mixart/mixart.c index a0bbb386dc25..1b078b789604 100644 --- a/sound/pci/mixart/mixart.c +++ b/sound/pci/mixart/mixart.c @@ -954,9 +954,10 @@ static int snd_mixart_pcm_analog(struct snd_mixart *chip) char name[32];
sprintf(name, "miXart analog %d", chip->chip_idx); - if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_ANALOG, - MIXART_PLAYBACK_STREAMS, - MIXART_CAPTURE_STREAMS, &pcm)) < 0) { + err = snd_pcm_new(chip->card, name, MIXART_PCM_ANALOG, + MIXART_PLAYBACK_STREAMS, + MIXART_CAPTURE_STREAMS, &pcm); + if (err < 0) { dev_err(chip->card->dev, "cannot create the analog pcm %d\n", chip->chip_idx); return err; @@ -987,9 +988,10 @@ static int snd_mixart_pcm_digital(struct snd_mixart *chip) char name[32];
sprintf(name, "miXart AES/EBU %d", chip->chip_idx); - if ((err = snd_pcm_new(chip->card, name, MIXART_PCM_DIGITAL, - MIXART_PLAYBACK_STREAMS, - MIXART_CAPTURE_STREAMS, &pcm)) < 0) { + err = snd_pcm_new(chip->card, name, MIXART_PCM_DIGITAL, + MIXART_PLAYBACK_STREAMS, + MIXART_CAPTURE_STREAMS, &pcm); + if (err < 0) { dev_err(chip->card->dev, "cannot create the digital pcm %d\n", chip->chip_idx); return err; @@ -1042,7 +1044,8 @@ static int snd_mixart_create(struct mixart_mgr *mgr, struct snd_card *card, int chip->mgr = mgr; card->sync_irq = mgr->irq;
- if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { + err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); + if (err < 0) { snd_mixart_chip_free(chip); return err; } @@ -1243,7 +1246,8 @@ static int snd_mixart_probe(struct pci_dev *pci, }
/* enable PCI device */ - if ((err = pci_enable_device(pci)) < 0) + err = pci_enable_device(pci); + if (err < 0) return err; pci_set_master(pci);
@@ -1267,7 +1271,8 @@ static int snd_mixart_probe(struct pci_dev *pci, mgr->irq = -1;
/* resource assignment */ - if ((err = pci_request_regions(pci, CARD_NAME)) < 0) { + err = pci_request_regions(pci, CARD_NAME); + if (err < 0) { kfree(mgr); pci_disable_device(pci); return err; @@ -1332,7 +1337,8 @@ static int snd_mixart_probe(struct pci_dev *pci, "Digigram miXart at 0x%lx & 0x%lx, irq %i [PCM #%d]", mgr->mem[0].phys, mgr->mem[1].phys, mgr->irq, i);
- if ((err = snd_mixart_create(mgr, card, i)) < 0) { + err = snd_mixart_create(mgr, card, i); + if (err < 0) { snd_card_free(card); snd_mixart_free(mgr); return err; @@ -1343,7 +1349,8 @@ static int snd_mixart_probe(struct pci_dev *pci, snd_mixart_proc_init(mgr->chip[i]); }
- if ((err = snd_card_register(card)) < 0) { + err = snd_card_register(card); + if (err < 0) { snd_mixart_free(mgr); return err; } diff --git a/sound/pci/mixart/mixart_hwdep.c b/sound/pci/mixart/mixart_hwdep.c index f579f7698bba..689c0f995a9c 100644 --- a/sound/pci/mixart/mixart_hwdep.c +++ b/sound/pci/mixart/mixart_hwdep.c @@ -306,9 +306,13 @@ static int mixart_first_init(struct mixart_mgr *mgr) int err; struct mixart_msg request;
- if((err = mixart_enum_connectors(mgr)) < 0) return err; + err = mixart_enum_connectors(mgr); + if (err < 0) + return err;
- if((err = mixart_enum_physio(mgr)) < 0) return err; + err = mixart_enum_physio(mgr); + if (err < 0) + return err;
/* send a synchro command to card (necessary to do this before first MSG_STREAM_START_STREAM_GRP_PACKET) */ /* though why not here */ @@ -528,15 +532,18 @@ static int mixart_dsp_load(struct mixart_mgr* mgr, int index, const struct firmw for (card_index = 0; card_index < mgr->num_cards; card_index++) { struct snd_mixart *chip = mgr->chip[card_index];
- if ((err = snd_mixart_create_pcm(chip)) < 0) + err = snd_mixart_create_pcm(chip); + if (err < 0) return err;
if (card_index == 0) { - if ((err = snd_mixart_create_mixer(chip->mgr)) < 0) + err = snd_mixart_create_mixer(chip->mgr); + if (err < 0) return err; }
- if ((err = snd_card_register(chip->card)) < 0) + err = snd_card_register(chip->card); + if (err < 0) return err; }
diff --git a/sound/pci/mixart/mixart_mixer.c b/sound/pci/mixart/mixart_mixer.c index d2e7c3381267..2727f3345795 100644 --- a/sound/pci/mixart/mixart_mixer.c +++ b/sound/pci/mixart/mixart_mixer.c @@ -1114,10 +1114,12 @@ int snd_mixart_create_mixer(struct mixart_mgr *mgr) temp = mixart_control_analog_level; temp.name = "Master Playback Volume"; temp.private_value = 0; /* playback */ - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip)); + if (err < 0) return err; /* output mute controls */ - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&mixart_control_output_switch, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&mixart_control_output_switch, chip)); + if (err < 0) return err;
/* analog input level control only on first two chips !*/ @@ -1125,7 +1127,8 @@ int snd_mixart_create_mixer(struct mixart_mgr *mgr) temp = mixart_control_analog_level; temp.name = "Master Capture Volume"; temp.private_value = 1; /* capture */ - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip)); + if (err < 0) return err; }
@@ -1133,45 +1136,53 @@ int snd_mixart_create_mixer(struct mixart_mgr *mgr) temp.name = "PCM Playback Volume"; temp.count = MIXART_PLAYBACK_STREAMS; temp.private_value = 0; /* playback analog */ - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip)); + if (err < 0) return err;
temp.name = "PCM Capture Volume"; temp.count = 1; temp.private_value = MIXART_VOL_REC_MASK; /* capture analog */ - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip)); + if (err < 0) return err;
if(mgr->board_type == MIXART_DAUGHTER_TYPE_AES) { temp.name = "AES Playback Volume"; temp.count = MIXART_PLAYBACK_STREAMS; temp.private_value = MIXART_VOL_AES_MASK; /* playback AES/EBU */ - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip)); + if (err < 0) return err;
temp.name = "AES Capture Volume"; temp.count = 0; temp.private_value = MIXART_VOL_REC_MASK | MIXART_VOL_AES_MASK; /* capture AES/EBU */ - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip)); + if (err < 0) return err; } temp = mixart_control_pcm_switch; temp.name = "PCM Playback Switch"; temp.private_value = 0; /* playback analog */ - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip)); + if (err < 0) return err;
if(mgr->board_type == MIXART_DAUGHTER_TYPE_AES) { temp.name = "AES Playback Switch"; temp.private_value = MIXART_VOL_AES_MASK; /* playback AES/EBU */ - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip)); + if (err < 0) return err; }
/* monitoring */ - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&mixart_control_monitor_vol, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&mixart_control_monitor_vol, chip)); + if (err < 0) return err; - if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&mixart_control_monitor_sw, chip))) < 0) + err = snd_ctl_add(chip->card, snd_ctl_new1(&mixart_control_monitor_sw, chip)); + if (err < 0) return err;
/* init all mixer data and program the master volumes/switches */