On Wed, 12 Dec 2018, Philippe Schenker wrote: > This prepares the MFD for the STMPE ADC driver. This commit introduces > devicetree settings that are used by the ADC and adds an init function. > Common ADC settings that are shared with the touchscreen driver can now > reside in the overlying MFD. > > Signed-off-by: Stefan Agner <ste...@agner.ch> > Signed-off-by: Max Krummenacher <max.krummenac...@toradex.com> > Signed-off-by: Philippe Schenker <philippe.schen...@toradex.com> > --- > > I moved now all enables back to the subdevices. The disable of ADC > block is now done at remove of mfd. I know this is not particularly > right, the right way to do this would be with a refcounter. > > But I don't know how to implement this in this driver. If someone does > not agree to disable adc in remove of mfd, please give me some advice > in how to do it with refcounter. > > Changes in v4: > - New patch: split mfd changes into this precursor patch > - Export the added stmpe811_adc_commmon_init function > - Disabling adc when mfd is removed > > Changes in v3: None > Changes in v2: > - Move code to setup ADC to MFD device, as it is used by both drivers > adc and touchscreen > > drivers/mfd/Kconfig | 3 +- > drivers/mfd/stmpe.c | 68 +++++++++++++++++++++++++++++++++++++++ > include/linux/mfd/stmpe.h | 10 ++++++ > 3 files changed, 80 insertions(+), 1 deletion(-)
For my own reference: Acked-for-MFD-by: Lee Jones <lee.jo...@linaro.org> -- Lee Jones [李琼斯] Linaro Services Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog
