On Wed, Jan 20, 2021 at 10:49:57PM +0100, Hans de Goede wrote: > From: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> > > Add a new ASoc Machine driver for Intel Baytrail platforms with a > Wolfson Microelectronics WM5102 codec. > > This is based on a past contributions [1] from Paulo Sergio Travaglia > <pstglia@xxxxxxxxx> based on the Levono kernel [2] combined with > insights in things like the speaker GPIO from the android-x86 android > port for the Lenovo Yoga Tablet 2 1051F/L [3]. > > [1] https://patchwork.kernel.org/project/alsa-devel/patch/593313f5.3636c80a.50e05.47e9@xxxxxxxxxxxxx/ > [2] https://github.com/lenovo-yt2-dev/android_kernel_lenovo_baytrail/blob/cm-12.1/sound/soc/intel/board/byt_bl_wm5102.c > [3] https://github.com/Kitsune2222/Android_Yoga_Tablet_2-1051F_Kernel > > The original machine driver from the Android ports was a crude modified > copy of bytcr_rt5640.c adjusted to work with the WM5102 codec. > This version has been extensively reworked to: > > 1. Remove all rt5640 related quirk handling. to the best of my knowledge > this setup is only used on the Lenovo Yoga Tablet 2 series (8, 10 and 13 > inch models) which all use the same setup. So there is no need to deal > with all the variations with which we need to deal on rt5640 boards. > > 2. Rework clock handling, properly turn off the FLL and the platform-clock > when they are no longer necessary and don't reconfigure the FLL > unnecessarily when it is already running. This fixes a number of: > "Timed out waiting for lock" warnings being logged. > > 3. Add the GPIO controlled Speaker-VDD regulator as a DAPM_SUPPLY > > This only adds the machine driver and ACPI hooks, the BYT-CR detection > quirk which these devices need will be added in a separate patch. > > BugLink: https://github.com/thesofproject/linux/issues/2485 > Co-authored-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> > Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> > Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> > Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> > --- Reviewed-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx> Thanks, Charles
