** Description changed: - This is for trackig purpose. + This is for linux-firmware: + + [Impact] + On a Dell tigerlake laptop, the sof driver fails to detect the dmic, + it alwasys report 0 dmics on the machine. So users doesn't have + internal mic to use. + + [Fix] + Intel provides 2 new topology files to us, they could support 1 + dmic and 3 dmics. + + [Test Case] + Boot the kernel with this patch, and put sof-hda-generic-1ch.tplg in + the linux-firmware, the sof driver could detect the dmic and users + have a workable internal mic after booting up. + + [Regression Risk] + This is adding 2 new topology files, not changing anything on + current sof-firmware, so the regression posibility is very low. + + This is for linux kernel: + + [Impact] + On a Dell tigerlake laptop, the sof driver fails to detect the dmic, + it alwasys report 0 dmics on the machine. So users doesn't have + internal mic to use. + + [Fix] + Intel write a patch to fix this issue, if NHLT table returns 1 or + 3 dmics, the sof driver will not fail like before, it can support + 1 or 3 dmics after applying this patch. + + [Test Case] + Boot the kernel with this patch, and put sof-hda-generic-1ch.tplg in + the linux-firmware, the sof driver could detect the dmic and users + have a workable internal mic after booting up. + + [Regression Risk] + This patch adds new support for 1 and 3 dmics, it doesn't change + anything on existing functions, so the regression posibility is very + low.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1891585 Title: alsa/sof: support 1 and 3 dmics To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1891585/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
