*Ubuntu version: 1) install kernel build tools: (https://wiki.ubuntu.com/Kernel/BuildYourOwnKernel):
* sudo apt install libncurses-dev gawk flex bison openssl libssl-dev dkms libelf-dev libudev-dev libpci-dev libiberty-dev autoconf git 2) clone the kernel from github and checkout to v5.17 branch (Rather large, multiple GB's): * git clone https://github.com/torvalds/linux.git * cd linux * git checkout v5.17-rc4 3) get the patch and install it: get the patch form this site and save to "linux" directory: (top right corner "series" button) and use the following "git am ..." line to apply the patch: https://patchwork.kernel.org/project/linux-acpi/patch/20220121172431.6876-4-sbind...@opensource.cirrus.com/ * git am Support-Spi-in-i2c-multi-instantiate-driver.patch 4) load current kernel config and change configuration then run the following scripts/config commands: * make olddefconfig * ./scripts/config --enable CONFIG_SERIAL_MULTI_INSTANTIATE * ./scripts/config --enable CONFIG_SND_HDA_SCODEC_CS35L41_I2C * ./scripts/config --enable CONFIG_SND_HDA_SCODEC_CS35L41_SPI * ./scripts/config --disable CONFIG_DEBUG_INFO * ./scripts/config --set-str CONFIG_SYSTEM_TRUSTED_KEYS "" * ./scripts/config --set-str CONFIG_SYSTEM_REVOCATION_KEYS "" 6) build the kernel * make -j 16 7) install the kernel * sudo make module_install * sudo make install -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1958019 Title: [Lenovo Legion7 16ACHg6 82N6, Realtek ALC287, Speaker, Internal] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/sound-2.6/+bug/1958019/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
