diff options
| author | Ariff Abdullah <ariff@FreeBSD.org> | 2007-12-12 18:21:05 +0000 |
|---|---|---|
| committer | Ariff Abdullah <ariff@FreeBSD.org> | 2007-12-12 18:21:05 +0000 |
| commit | 909f7f7f4ea4671b61c556de0a97b337ed6e03e6 (patch) | |
| tree | 803469c1a03b5dc6c1e494285c89c3d8f0c86818 /sys/dev/sound/pci/ich.c | |
| parent | f0cfdeddd2d142b37de756c83328c2d8225c6628 (diff) | |
| download | src-909f7f7f4ea4671b61c556de0a97b337ed6e03e6.tar.gz src-909f7f7f4ea4671b61c556de0a97b337ed6e03e6.zip | |
Disable AC97 microphone channel. Due to the channel allocation priority
that favours true hardware channel, the first instance of recording
request will grab this channel (the first channel is being used as
vchan master). In many cases, it is not really work as intended and give
false impression of broken recording.
PR: kern/118546
MFC after: 3 days
Notes
Notes:
svn path=/head/; revision=174552
Diffstat (limited to 'sys/dev/sound/pci/ich.c')
| -rw-r--r-- | sys/dev/sound/pci/ich.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/dev/sound/pci/ich.c b/sys/dev/sound/pci/ich.c index 64e2eec38986..7351355ea963 100644 --- a/sys/dev/sound/pci/ich.c +++ b/sys/dev/sound/pci/ich.c @@ -980,6 +980,10 @@ ich_pci_attach(device_t dev) device_get_unit(dev), "fixedrate", &i) == 0 && i != 0) sc->flags |= ICH_FIXED_RATE; + if (resource_int_value(device_get_name(dev), + device_get_unit(dev), "micchannel_enabled", &i) == 0 && i != 0) + sc->hasmic = 1; + sc->irqid = 0; sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irqid, RF_ACTIVE | RF_SHAREABLE); @@ -1026,7 +1030,8 @@ ich_pci_attach(device_t dev) extcaps = ac97_getextcaps(sc->codec); sc->hasvra = extcaps & AC97_EXTCAP_VRA; sc->hasvrm = extcaps & AC97_EXTCAP_VRM; - sc->hasmic = ac97_getcaps(sc->codec) & AC97_CAP_MICCHANNEL; + sc->hasmic = (sc->hasmic != 0 && + (ac97_getcaps(sc->codec) & AC97_CAP_MICCHANNEL)) ? 1 : 0; ac97_setextmode(sc->codec, sc->hasvra | sc->hasvrm); sc->dtbl_size = sizeof(struct ich_desc) * ICH_DTBL_LENGTH * |