On Mon, 18 Dec 2023 16:12:14 +0100, Stefan Binding wrote: > > The CS35L41 HDA driver requires various system defined properties to configure > the driver for an individual system. For some laptops, these properties are > missing in the BIOS. To be able to support these laptops, there is a mechanism > in the driver to get this configuration from a lookup table, to be able to add > or patch _DSD as necessary. > > However this mechanism currently only allows for laptops to be patched one at > a time, however, in the case where there are many laptops which need to be > configured generically, a generic function has been added, with an additional > lookup table to the individual laptops, indexed by SSID. > > To support laptops using SPI without _DSD, an additional workaround is needed > to be able to support the SPI Chip Select GPIOs whose resources are defined > inside the _CRS for the Speaker ACPI Node. This workaround only works for > SPI laptops which contain up to 2 amps, since the SPI controller would not > allow more than 2 amps to be instantiated without the cs-gpios entry in > _DSD. > > These patches add support for various ASUS laptops without _DSD, but the > framework added here allows for support for more laptops in the future > for other manufacturers. Support for laptops without _DSD from other > manufacturers is coming in the future. > > Note: for systems which use modified _DSD to emulate the missing _DSD, > these patches are incompatible, and the modified _DSD must be removed in > order for the support through this framework to work for those laptops. > > Stefan Binding (7): > ALSA: hda: cs35l41: Add config table to support many laptops without > _DSD > ALSA: hda: cs35l41: Support additional ASUS ROG 2023 models > ALSA: hda/realtek: Add quirks for ASUS ROG 2023 models > ALSA: hda: cs35l41: Support additional ASUS Zenbook 2022 Models > ALSA: hda/realtek: Add quirks for ASUS Zenbook 2022 Models > ALSA: hda: cs35l41: Support additional ASUS Zenbook 2023 Models > ALSA: hda/realtek: Add quirks for ASUS Zenbook 2023 Models Applied all seven patches now. Thanks. Takashi
