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Diffstat (limited to 'sound/pci/au88x0/au88x0.c')
-rw-r--r--sound/pci/au88x0/au88x0.c77
1 files changed, 46 insertions, 31 deletions
diff --git a/sound/pci/au88x0/au88x0.c b/sound/pci/au88x0/au88x0.c
index 1b37b7225b1d..1f7fee470266 100644
--- a/sound/pci/au88x0/au88x0.c
+++ b/sound/pci/au88x0/au88x0.c
@@ -46,8 +46,9 @@ MODULE_DEVICE_TABLE(pci, snd_vortex_ids);
static void vortex_fix_latency(struct pci_dev *vortex)
{
int rc;
- if (!(rc = pci_write_config_byte(vortex, 0x40, 0xff))) {
- dev_info(&vortex->dev, "vortex latency is 0xff\n");
+ rc = pci_write_config_byte(vortex, 0x40, 0xff);
+ if (!rc) {
+ dev_info(&vortex->dev, "vortex latency is 0xff\n");
} else {
dev_warn(&vortex->dev,
"could not set vortex latency: pci error 0x%x\n", rc);
@@ -65,9 +66,12 @@ static void vortex_fix_agp_bridge(struct pci_dev *via)
* read the config and it is not already set
*/
- if (!(rc = pci_read_config_byte(via, 0x42, &value))
- && ((value & 0x10)
- || !(rc = pci_write_config_byte(via, 0x42, value | 0x10)))) {
+ rc = pci_read_config_byte(via, 0x42, &value);
+ if (!rc) {
+ if (!(value & 0x10))
+ rc = pci_write_config_byte(via, 0x42, value | 0x10);
+ }
+ if (!rc) {
dev_info(&via->dev, "bridge config is 0x%x\n", value | 0x10);
} else {
dev_warn(&via->dev,
@@ -102,14 +106,16 @@ static void snd_vortex_workaround(struct pci_dev *vortex, int fix)
} else {
if (fix & 0x1)
vortex_fix_latency(vortex);
- if ((fix & 0x2) && (via = pci_get_device(PCI_VENDOR_ID_VIA,
- PCI_DEVICE_ID_VIA_8365_1, NULL)))
- vortex_fix_agp_bridge(via);
- if ((fix & 0x4) && (via = pci_get_device(PCI_VENDOR_ID_VIA,
- PCI_DEVICE_ID_VIA_82C598_1, NULL)))
- vortex_fix_agp_bridge(via);
- if ((fix & 0x8) && (via = pci_get_device(PCI_VENDOR_ID_AMD,
- PCI_DEVICE_ID_AMD_FE_GATE_7007, NULL)))
+ if (fix & 0x2)
+ via = pci_get_device(PCI_VENDOR_ID_VIA,
+ PCI_DEVICE_ID_VIA_8365_1, NULL);
+ else if (fix & 0x4)
+ via = pci_get_device(PCI_VENDOR_ID_VIA,
+ PCI_DEVICE_ID_VIA_82C598_1, NULL);
+ else if (fix & 0x8)
+ via = pci_get_device(PCI_VENDOR_ID_AMD,
+ PCI_DEVICE_ID_AMD_FE_GATE_7007, NULL);
+ if (via)
vortex_fix_agp_bridge(via);
}
pci_dev_put(via);
@@ -147,7 +153,8 @@ snd_vortex_create(struct snd_card *card, struct pci_dev *pci, vortex_t ** rchip)
*rchip = NULL;
// check PCI availability (DMA).
- if ((err = pci_enable_device(pci)) < 0)
+ err = pci_enable_device(pci);
+ if (err < 0)
return err;
if (dma_set_mask_and_coherent(&pci->dev, DMA_BIT_MASK(32))) {
dev_err(card->dev, "error to set DMA mask\n");
@@ -174,7 +181,8 @@ snd_vortex_create(struct snd_card *card, struct pci_dev *pci, vortex_t ** rchip)
// (1) PCI resource allocation
// Get MMIO area
//
- if ((err = pci_request_regions(pci, CARD_NAME_SHORT)) != 0)
+ err = pci_request_regions(pci, CARD_NAME_SHORT);
+ if (err)
goto regions_out;
chip->mmio = pci_ioremap_bar(pci, 0);
@@ -187,14 +195,15 @@ snd_vortex_create(struct snd_card *card, struct pci_dev *pci, vortex_t ** rchip)
/* Init audio core.
* This must be done before we do request_irq otherwise we can get spurious
* interrupts that we do not handle properly and make a mess of things */
- if ((err = vortex_core_init(chip)) != 0) {
+ err = vortex_core_init(chip);
+ if (err) {
dev_err(card->dev, "hw core init failed\n");
goto core_out;
}
- if ((err = request_irq(pci->irq, vortex_interrupt,
- IRQF_SHARED, KBUILD_MODNAME,
- chip)) != 0) {
+ err = request_irq(pci->irq, vortex_interrupt,
+ IRQF_SHARED, KBUILD_MODNAME, chip);
+ if (err) {
dev_err(card->dev, "cannot grab irq\n");
goto irq_out;
}
@@ -205,9 +214,9 @@ snd_vortex_create(struct snd_card *card, struct pci_dev *pci, vortex_t ** rchip)
// End of PCI setup.
// Register alsa root device.
- 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)
goto alloc_out;
- }
*rchip = chip;
@@ -252,7 +261,8 @@ snd_vortex_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
return err;
// (3)
- if ((err = snd_vortex_create(card, pci, &chip)) < 0) {
+ err = snd_vortex_create(card, pci, &chip);
+ if (err < 0) {
snd_card_free(card);
return err;
}
@@ -278,12 +288,14 @@ snd_vortex_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
}
#ifndef CHIP_AU8820
// ADB SPDIF
- if ((err = snd_vortex_new_pcm(chip, VORTEX_PCM_SPDIF, 1)) < 0) {
+ err = snd_vortex_new_pcm(chip, VORTEX_PCM_SPDIF, 1);
+ if (err < 0) {
snd_card_free(card);
return err;
}
// A3D
- if ((err = snd_vortex_new_pcm(chip, VORTEX_PCM_A3D, NR_A3D)) < 0) {
+ err = snd_vortex_new_pcm(chip, VORTEX_PCM_A3D, NR_A3D);
+ if (err < 0) {
snd_card_free(card);
return err;
}
@@ -297,12 +309,14 @@ snd_vortex_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
*/
#ifndef CHIP_AU8810
// WT pcm.
- if ((err = snd_vortex_new_pcm(chip, VORTEX_PCM_WT, NR_WT)) < 0) {
+ err = snd_vortex_new_pcm(chip, VORTEX_PCM_WT, NR_WT);
+ if (err < 0) {
snd_card_free(card);
return err;
}
#endif
- if ((err = snd_vortex_midi(chip)) < 0) {
+ err = snd_vortex_midi(chip);
+ if (err < 0) {
snd_card_free(card);
return err;
}
@@ -327,13 +341,13 @@ snd_vortex_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
#endif
// (5)
- if ((err = pci_read_config_word(pci, PCI_DEVICE_ID,
- &(chip->device))) < 0) {
+ err = pci_read_config_word(pci, PCI_DEVICE_ID, &chip->device);
+ if (err < 0) {
snd_card_free(card);
return err;
}
- if ((err = pci_read_config_word(pci, PCI_VENDOR_ID,
- &(chip->vendor))) < 0) {
+ err = pci_read_config_word(pci, PCI_VENDOR_ID, &chip->vendor);
+ if (err < 0) {
snd_card_free(card);
return err;
}
@@ -352,7 +366,8 @@ snd_vortex_probe(struct pci_dev *pci, const struct pci_device_id *pci_id)
#endif
// (6)
- if ((err = snd_card_register(card)) < 0) {
+ err = snd_card_register(card);
+ if (err < 0) {
snd_card_free(card);
return err;
}