Here is a patch to enable SPDIF out on ALC650 rev D. codecs.
Cheers James
--- ac97_patch.c.org 2003-10-03 15:16:06.099127808 +0100
+++ ac97_patch.c 2003-10-03 15:21:50.975698600 +0100
@@ -898,7 +898,6 @@
int patch_alc650(ac97_t * ac97)
{
unsigned short val;
- int spdif = 0;
ac97->build_ops = &patch_alc650_ops;
@@ -907,22 +906,16 @@
ac97->spec.dev_flags = (ac97->id == 0x414c4722 ||
ac97->id == 0x414c4723);
- /* check spdif (should be only on rev.E) */
- if (ac97->spec.dev_flags) {
- val = snd_ac97_read(ac97, AC97_EXTENDED_STATUS);
- if (val & AC97_EA_SPCV)
- spdif = 1;
- }
+ /* enable AC97_ALC650_GPIO_SETUP, AC97_ALC650_CLOCK for R/W */
+ snd_ac97_write_cache(ac97, AC97_ALC650_GPIO_STATUS,
+ snd_ac97_read(ac97, AC97_ALC650_GPIO_STATUS) | 0x8000);
- if (spdif) {
- /* enable AC97_ALC650_GPIO_SETUP, AC97_ALC650_CLOCK for R/W */
- snd_ac97_write_cache(ac97, AC97_ALC650_GPIO_STATUS,
- snd_ac97_read(ac97, AC97_ALC650_GPIO_STATUS) | 0x8000);
+ /* Enable SPDIF-IN only on Rev.E and above */
+ if (ac97->spec.dev_flags) {
/* enable spdif in */
snd_ac97_write_cache(ac97, AC97_ALC650_CLOCK,
snd_ac97_read(ac97, AC97_ALC650_CLOCK) | 0x03);
- } else
- ac97->ext_id &= ~AC97_EI_SPDIF; /* disable extended-id */
+ }
val = snd_ac97_read(ac97, AC97_ALC650_MULTICH);
val &= ~0xc000; /* slot: 3,4,7,8,6,9 */