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ALSA: es18xx: Fix assignment in if condition 

ISA ES18xx driver code contains lots of 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/20210608140540.17885-11-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2021-06-08 16:04:44 +02:00
parent 4b3bd108ab
commit 45e0471d64
1 changed files with 34 additions and 17 deletions
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51
sound/isa/es18xx.c
View File

@ -1573,7 +1573,8 @@ static int snd_es18xx_identify(struct snd_es18xx *chip)
udelay(10); udelay(10);
chip->ctrl_port += inb(chip->port + 0x05); chip->ctrl_port += inb(chip->port + 0x05);
if ((chip->res_ctrl_port = request_region(chip->ctrl_port, 8, "ES18xx - CTRL")) == NULL) { chip->res_ctrl_port = request_region(chip->ctrl_port, 8, "ES18xx - CTRL");
if (!chip->res_ctrl_port) {
snd_printk(KERN_ERR PFX "unable go grab port 0x%lx\n", chip->ctrl_port); snd_printk(KERN_ERR PFX "unable go grab port 0x%lx\n", chip->ctrl_port);
return -EBUSY; return -EBUSY;
} }
@ -1832,41 +1833,48 @@ static int snd_es18xx_mixer(struct snd_card *card)
break; break;
} }
} }
if ((err = snd_ctl_add(card, kctl)) < 0) err = snd_ctl_add(card, kctl);
if (err < 0)
return err; return err;
} }
if (chip->caps & ES18XX_PCM2) { if (chip->caps & ES18XX_PCM2) {
for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_pcm2_controls); idx++) { for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_pcm2_controls); idx++) {
if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_pcm2_controls[idx], chip))) < 0) err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_pcm2_controls[idx], chip));
if (err < 0)
return err; return err;
} }
} else { } else {
for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_pcm1_controls); idx++) { for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_pcm1_controls); idx++) {
if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_pcm1_controls[idx], chip))) < 0) err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_pcm1_controls[idx], chip));
if (err < 0)
return err; return err;
} }
} }
if (chip->caps & ES18XX_RECMIX) { if (chip->caps & ES18XX_RECMIX) {
for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_recmix_controls); idx++) { for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_recmix_controls); idx++) {
if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_recmix_controls[idx], chip))) < 0) err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_recmix_controls[idx], chip));
if (err < 0)
return err; return err;
} }
} }
switch (chip->version) { switch (chip->version) {
default: default:
if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_micpre1_control, chip))) < 0) err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_micpre1_control, chip));
if (err < 0)
return err; return err;
break; break;
case 0x1869: case 0x1869:
case 0x1879: case 0x1879:
if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_micpre2_control, chip))) < 0) err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_micpre2_control, chip));
if (err < 0)
return err; return err;
break; break;
} }
if (chip->caps & ES18XX_SPATIALIZER) { if (chip->caps & ES18XX_SPATIALIZER) {
for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_spatializer_controls); idx++) { for (idx = 0; idx < ARRAY_SIZE(snd_es18xx_spatializer_controls); idx++) {
if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_spatializer_controls[idx], chip))) < 0) err = snd_ctl_add(card, snd_ctl_new1(&snd_es18xx_spatializer_controls[idx], chip));
if (err < 0)
return err; return err;
} }
} }
@ -1879,7 +1887,8 @@ static int snd_es18xx_mixer(struct snd_card *card)
else else
chip->hw_switch = kctl; chip->hw_switch = kctl;
kctl->private_free = snd_es18xx_hwv_free; kctl->private_free = snd_es18xx_hwv_free;
if ((err = snd_ctl_add(card, kctl)) < 0) err = snd_ctl_add(card, kctl);
if (err < 0)
return err; return err;
} }
@ -2154,7 +2163,8 @@ static int snd_es18xx_isa_probe1(int dev, struct device *devptr)
err = snd_es18xx_card_new(devptr, dev, &card); err = snd_es18xx_card_new(devptr, dev, &card);
if (err < 0) if (err < 0)
return err; return err;
if ((err = snd_audiodrive_probe(card, dev)) < 0) { err = snd_audiodrive_probe(card, dev);
if (err < 0) {
snd_card_free(card); snd_card_free(card);
return err; return err;
} }
@ -2169,19 +2179,22 @@ static int snd_es18xx_isa_probe(struct device *pdev, unsigned int dev)
static const int possible_dmas[] = {1, 0, 3, 5, -1}; static const int possible_dmas[] = {1, 0, 3, 5, -1};
if (irq[dev] == SNDRV_AUTO_IRQ) { if (irq[dev] == SNDRV_AUTO_IRQ) {
if ((irq[dev] = snd_legacy_find_free_irq(possible_irqs)) < 0) { irq[dev] = snd_legacy_find_free_irq(possible_irqs);
if (irq[dev] < 0) {
snd_printk(KERN_ERR PFX "unable to find a free IRQ\n"); snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
return -EBUSY; return -EBUSY;
} }
} }
if (dma1[dev] == SNDRV_AUTO_DMA) { if (dma1[dev] == SNDRV_AUTO_DMA) {
if ((dma1[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) { dma1[dev] = snd_legacy_find_free_dma(possible_dmas);
if (dma1[dev] < 0) {
snd_printk(KERN_ERR PFX "unable to find a free DMA1\n"); snd_printk(KERN_ERR PFX "unable to find a free DMA1\n");
return -EBUSY; return -EBUSY;
} }
} }
if (dma2[dev] == SNDRV_AUTO_DMA) { if (dma2[dev] == SNDRV_AUTO_DMA) {
if ((dma2[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) { dma2[dev] = snd_legacy_find_free_dma(possible_dmas);
if (dma2[dev] < 0) {
snd_printk(KERN_ERR PFX "unable to find a free DMA2\n"); snd_printk(KERN_ERR PFX "unable to find a free DMA2\n");
return -EBUSY; return -EBUSY;
} }
@ -2257,11 +2270,13 @@ static int snd_audiodrive_pnp_detect(struct pnp_dev *pdev,
err = snd_es18xx_card_new(&pdev->dev, dev, &card); err = snd_es18xx_card_new(&pdev->dev, dev, &card);
if (err < 0) if (err < 0)
return err; return err;
if ((err = snd_audiodrive_pnp(dev, card->private_data, pdev)) < 0) { err = snd_audiodrive_pnp(dev, card->private_data, pdev);
if (err < 0) {
snd_card_free(card); snd_card_free(card);
return err; return err;
} }
if ((err = snd_audiodrive_probe(card, dev)) < 0) { err = snd_audiodrive_probe(card, dev);
if (err < 0) {
snd_card_free(card); snd_card_free(card);
return err; return err;
} }
@ -2315,11 +2330,13 @@ static int snd_audiodrive_pnpc_detect(struct pnp_card_link *pcard,
if (res < 0) if (res < 0)
return res; return res;
if ((res = snd_audiodrive_pnpc(dev, card->private_data, pcard, pid)) < 0) { res = snd_audiodrive_pnpc(dev, card->private_data, pcard, pid);
if (res < 0) {
snd_card_free(card); snd_card_free(card);
return res; return res;
} }
if ((res = snd_audiodrive_probe(card, dev)) < 0) { res = snd_audiodrive_probe(card, dev);
if (res < 0) {
snd_card_free(card); snd_card_free(card);
return res; return res;
} }