** Description changed: - This bug is for tracking purpose. + [Impact] + In the ubuntu 20.04, we plan to integrate sof-firmware v1.4.2, the + topology of this version contains volume and led control, we need + to add this support in the sof driver, otherwise the sof will crash + when parsing the topology of v1.4.2. After adding these patches, + the sof still coudl work with topology without volume and led control. + + [Fix] + Backported the patches from mainline kernel v5.5-c1 + + [Test Case] + Install the sof-firmware v1.4.2 + boot the kernel with these patches, sof driver initializes successfully, + and we could get a working sound card after booting up. + + Install the sof-firmware v1.3.1 + boot the kernel with these patches, sof driver initializes successfully, + and we could get a working sound card after booting up. + + [Regression Risk] + Low, the patches are backported from upstream kernel, and I tested + this patch on Lenovo and Dell dmic machines.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1864398 Title: alsa/sof: let sof driver work with topology with volume and led control (focal) Status in linux package in Ubuntu: Incomplete Bug description: [Impact] In the ubuntu 20.04, we plan to integrate sof-firmware v1.4.2, the topology of this version contains volume and led control, we need to add this support in the sof driver, otherwise the sof will crash when parsing the topology of v1.4.2. After adding these patches, the sof still coudl work with topology without volume and led control. [Fix] Backported the patches from mainline kernel v5.5-c1 [Test Case] Install the sof-firmware v1.4.2 boot the kernel with these patches, sof driver initializes successfully, and we could get a working sound card after booting up. Install the sof-firmware v1.3.1 boot the kernel with these patches, sof driver initializes successfully, and we could get a working sound card after booting up. [Regression Risk] Low, the patches are backported from upstream kernel, and I tested this patch on Lenovo and Dell dmic machines. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1864398/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
