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ALSA: mixart: Fix assignment in if condition 

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.

Link: https://lore.kernel.org/r/20210608140540.17885-45-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2021-06-08 16:05:18 +02:00
Родитель 234e928067
Коммит 73debecf8f
3 изменённых файлов: 52 добавлений и 27 удалений
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29
sound/pci/mixart/mixart.c
Просмотреть файл

@ -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;
}

17
sound/pci/mixart/mixart_hwdep.c
Просмотреть файл

@ -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;
}

33
sound/pci/mixart/mixart_mixer.c
Просмотреть файл

@ -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 */