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Diffstat (limited to 'sound/pci/cs4281.c')
-rw-r--r--sound/pci/cs4281.c15
1 files changed, 9 insertions, 6 deletions
diff --git a/sound/pci/cs4281.c b/sound/pci/cs4281.c
index d7e06b3caf9..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).");
#define BA0_PMCS 0x0344 /* Power Management Control/Status */
#define BA0_CWPR 0x03e0 /* Configuration Write Protect */
+
#define BA0_EPPMC 0x03e4 /* Extended PCI Power Management Control */
+#define BA0_EPPMC_FPDN (1<<14) /* Full Power DowN */
+
#define BA0_GPIOR 0x03e8 /* GPIO Pin Interface Register */
#define BA0_SPMC 0x03ec /* Serial Port Power Management Control (& ASDIN2 enable) */
@@ -1335,11 +1338,6 @@ static inline int snd_cs4281_create_gameport(cs4281_t *chip) { return -ENOSYS; }
static inline void snd_cs4281_free_gameport(cs4281_t *chip) { }
#endif /* CONFIG_GAMEPORT || (MODULE && CONFIG_GAMEPORT_MODULE) */
-
-/*
-
- */
-
static int snd_cs4281_free(cs4281_t *chip)
{
snd_cs4281_free_gameport(chip);
@@ -1461,6 +1459,11 @@ static int snd_cs4281_chip_init(cs4281_t *chip)
int timeout;
int retry_count = 2;
+ /* Having EPPMC.FPDN=1 prevent proper chip initialisation */
+ tmp = snd_cs4281_peekBA0(chip, BA0_EPPMC);
+ if (tmp & BA0_EPPMC_FPDN)
+ snd_cs4281_pokeBA0(chip, BA0_EPPMC, tmp & ~BA0_EPPMC_FPDN);
+
__retry:
tmp = snd_cs4281_peekBA0(chip, BA0_CFLR);
if (tmp != BA0_CFLR_DEFAULT) {
@@ -2124,7 +2127,7 @@ static struct pci_driver driver = {
static int __init alsa_card_cs4281_init(void)
{
- return pci_module_init(&driver);
+ return pci_register_driver(&driver);
}
static void __exit alsa_card_cs4281_exit(void)