aboutsummaryrefslogtreecommitdiffstats
path: root/sound/pci/cs4281.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/pci/cs4281.c')
-rw-r--r--sound/pci/cs4281.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/sound/pci/cs4281.c b/sound/pci/cs4281.c
index 0b53f7c61f8..eb3c52b03af 100644
--- a/sound/pci/cs4281.c
+++ b/sound/pci/cs4281.c
@@ -206,7 +206,10 @@ MODULE_PARM_DESC(dual_codec, "Secondary Codec ID (0 = disabled).");
206 206
207#define BA0_PMCS 0x0344 /* Power Management Control/Status */ 207#define BA0_PMCS 0x0344 /* Power Management Control/Status */
208#define BA0_CWPR 0x03e0 /* Configuration Write Protect */ 208#define BA0_CWPR 0x03e0 /* Configuration Write Protect */
209
209#define BA0_EPPMC 0x03e4 /* Extended PCI Power Management Control */ 210#define BA0_EPPMC 0x03e4 /* Extended PCI Power Management Control */
211#define BA0_EPPMC_FPDN (1<<14) /* Full Power DowN */
212
210#define BA0_GPIOR 0x03e8 /* GPIO Pin Interface Register */ 213#define BA0_GPIOR 0x03e8 /* GPIO Pin Interface Register */
211 214
212#define BA0_SPMC 0x03ec /* Serial Port Power Management Control (& ASDIN2 enable) */ 215#define BA0_SPMC 0x03ec /* Serial Port Power Management Control (& ASDIN2 enable) */
@@ -1456,6 +1459,11 @@ static int snd_cs4281_chip_init(cs4281_t *chip)
1456 int timeout; 1459 int timeout;
1457 int retry_count = 2; 1460 int retry_count = 2;
1458 1461
1462 /* Having EPPMC.FPDN=1 prevent proper chip initialisation */
1463 tmp = snd_cs4281_peekBA0(chip, BA0_EPPMC);
1464 if (tmp & BA0_EPPMC_FPDN)
1465 snd_cs4281_pokeBA0(chip, BA0_EPPMC, tmp & ~BA0_EPPMC_FPDN);
1466
1459 __retry: 1467 __retry:
1460 tmp = snd_cs4281_peekBA0(chip, BA0_CFLR); 1468 tmp = snd_cs4281_peekBA0(chip, BA0_CFLR);
1461 if (tmp != BA0_CFLR_DEFAULT) { 1469 if (tmp != BA0_CFLR_DEFAULT) {
@@ -2119,7 +2127,7 @@ static struct pci_driver driver = {
2119 2127
2120static int __init alsa_card_cs4281_init(void) 2128static int __init alsa_card_cs4281_init(void)
2121{ 2129{
2122 return pci_module_init(&driver); 2130 return pci_register_driver(&driver);
2123} 2131}
2124 2132
2125static void __exit alsa_card_cs4281_exit(void) 2133static void __exit alsa_card_cs4281_exit(void)