On Thu, Dec 13, 2018 at 04:35:31PM +0100, Hans de Goede wrote: > DSI LCD panels describe an initialization sequence in the Video BIOS > Tables using so called MIPI sequences. One possible element in these > sequences is a PMIC specific element of 15 bytes. > > Although this is not really an ACPI opregion, the ACPI opregion code is the > closest thing we have. We need to have support for these PMIC specific MIPI > sequence elements somwhere. Since we already instantiate a special platform > device for Intel PMICs for the ACPI PMIC OpRegion handler to bind to, > with PMIC specific implementations of the OpRegion, the handling of MIPI > sequence PMIC elements fits very well in the ACPI PMIC OpRegion code. > > This commit adds a new intel_soc_pmic_exec_mipi_pmic_seq_element() > function, which is to be backed by a PMIC specific > exec_mipi_pmic_seq_element callback. This function will be called by the > i915 code to execture MIPI sequence PMIC elements. > > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> Reviewed-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
