This chip needs the speaker pin to go to D3 to avoid clicks, so default_power_filter does not work here.
This was found on Thinkpad R61i/T61i but I guess it applies to the entire chip. If not, quirks should be set for at least PCI SSID 17aa:20ac. Thanks to c4pp4 for testing. BugLink: https://bugs.launchpad.net/bugs/886975 Signed-off-by: David Henningsson <[email protected]> --- sound/pci/hda/patch_conexant.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index 7d941ef..941bf6c 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -3350,6 +3350,7 @@ static int patch_conexant_auto(struct hda_codec *codec) switch (codec->vendor_id) { case 0x14f15045: codec->single_adc_amp = 1; + codec->power_filter = NULL; /* Needs speaker amp to D3 to avoid click */ break; case 0x14f15047: codec->pin_amp_workaround = 1; -- 1.7.9.5 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/886975 Title: [Thinkpad R61i/T61] Lenovo sound chip Conexant CX20549 Venice doesn't work correctly. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/886975/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
