diff options
| author | Todd T. Fries <todd@cvs.openbsd.org> | 2005-02-16 22:26:40 +0000 |
|---|---|---|
| committer | Todd T. Fries <todd@cvs.openbsd.org> | 2005-02-16 22:26:40 +0000 |
| commit | 4493f16004b2d8e9fde829d88a90b2bd4920bf40 (patch) | |
| tree | 64fb13f9e32a16b427df564e6084062ec9abd3af /sys/dev/ic/ac97.c | |
| parent | 746cf9c4d4c8464614487093265ed9fc506e79c5 (diff) | |
add support for enabling amp power on a non-documented Conexant codec
ideas from alsa
pointers by jsg@; mickey@ ok
Diffstat (limited to 'sys/dev/ic/ac97.c')
| -rw-r--r-- | sys/dev/ic/ac97.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/sys/dev/ic/ac97.c b/sys/dev/ic/ac97.c index 2579f7f4f53..bbc0f00cfc6 100644 --- a/sys/dev/ic/ac97.c +++ b/sys/dev/ic/ac97.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ac97.c,v 1.51 2005/01/31 15:48:19 mickey Exp $ */ +/* $OpenBSD: ac97.c,v 1.52 2005/02/16 22:26:39 todd Exp $ */ /* * Copyright (c) 1999, 2000 Constantine Sapuntzakis @@ -297,6 +297,7 @@ void ac97_restore_shadow(struct ac97_codec_if *self); void ac97_ad198x_init(struct ac97_softc *); void ac97_alc655_init(struct ac97_softc *); void ac97_cx20468_init(struct ac97_softc *); +void ac97_cx_init(struct ac97_softc *); struct ac97_codec_if_vtbl ac97civ = { ac97_mixer_get_port, @@ -371,6 +372,7 @@ const struct ac97_codecid { }, ac97_cx[] = { { 0x21, 0xff, 0, 0, "HSD11246" }, { 0x28, 0xf8, 7, 0, "CX20468", ac97_cx20468_init }, + { 0x30, 0xff, 0, 0, "CX?????", ac97_cx_init }, }, ac97_dt[] = { { 0x00, 0xff, 0, 0, "DT0398" }, }, ac97_em[] = { @@ -1134,3 +1136,19 @@ ac97_cx20468_init(struct ac97_softc *as) ac97_write(as, AC97_CX_REG_MISC, AC97_CX_SPDIFEN | AC97_CX_COPYRIGHT | AC97_CX_MASK); } + +void +ac97_cx_init(struct ac97_softc *as) +{ + u_int16_t misc, new; + + ac97_read(as, AC97_CX_REG_MISC, &misc); + ac97_write(as, AC97_CX_REG_MISC, + AC97_CX_SPDIFEN | AC97_CX_COPYRIGHT | AC97_CX_MASK); + + ac97_read(as, AC97_REG_POWER, &misc); + new = misc | AC97_POWER_EAMP; + if (new != misc) { + ac97_write(as, AC97_REG_POWER, new); + } +} |