This bug was fixed in the package linux-firmware - 1.190
---------------
linux-firmware (1.190) groovy; urgency=medium
* Rebase against
git://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git
7a30af16115959cf5a817ae51429e72c0084fc0c
- QCA: Add correct bin file for WCN3991
- rtl_nic: update firmware for RTL8125B
- Update to 20200629111339 version to aligh SDK. Mainly fix DFS false alarm.
- linux-firmware: Update AMD SEV firmware
- Mellanox: Add new mlxsw_spectrum firmware xx.2008.1036
- linux-firmware: update NXP SDSD-8997 firmware image
- amdgpu: update navi10 firmware for 20.30
- amdgpu: update navi14 firmware for 20.30
- amdgpu: update picasso firmware for 20.30
- amdgpu: update raven firmware for 20.30
- amdgpu: update raven2 firmware for 20.30
- amdgpu: update renoir firmware for 20.30
- amdgpu: update vega10 firmware for 20.30
- amdgpu: update vega12 firmware for 20.30
- amdgpu: update vega20 firmware for 20.30
- i915: Add HuC firwmare v7.5.0 for TGL
- i915: Add DMC firmware 2.08 for TGL
- i915: Add DMC firmware 2.02 for RKL
- rtl_bt: Update RTL8822C BT UART firmware to 0x0599_8A4F
- brcm: Add brcmfmac43455-sdio.raspberrypi,3-model-a-plus.txt symlink
* alsa/sof: support 1 and 3 dmics (LP: #1891585)
- SAUCE: sof-firmware: add 1ch and 3ch topology files
-- Seth Forshee <seth.fors...@canonical.com> Wed, 19 Aug 2020 13:07:19
-0500
** Changed in: linux-firmware (Ubuntu Groovy)
Status: Triaged => Fix Released
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https://bugs.launchpad.net/bugs/1891585
Title:
alsa/sof: support 1 and 3 dmics
Status in HWE Next:
Triaged
Status in linux package in Ubuntu:
Triaged
Status in linux-firmware package in Ubuntu:
Fix Released
Status in linux-oem-5.6 package in Ubuntu:
Triaged
Status in linux source package in Focal:
Triaged
Status in linux-firmware source package in Focal:
Triaged
Status in linux-oem-5.6 source package in Focal:
Fix Committed
Status in linux source package in Groovy:
Triaged
Status in linux-firmware source package in Groovy:
Fix Released
Bug description:
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.
To manage notifications about this bug go to:
https://bugs.launchpad.net/hwe-next/+bug/1891585/+subscriptions
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