On Fri, 23 Nov 2018, Philippe Schenker wrote: > From: Stefan Agner <stefan@xxxxxxxx> > > This adds an ADC driver for the STMPE device using the industrial > input/output interface. The driver supports raw reading of values. > The driver depends on the MFD STMPE driver. If the touchscreen > block is enabled too, only four of the 8 ADC channels are available. > > Signed-off-by: Stefan Agner <stefan@xxxxxxxx> > Signed-off-by: Max Krummenacher <max.krummenacher@xxxxxxxxxxx> > Signed-off-by: Philippe Schenker <philippe.schenker@xxxxxxxxxxx> > --- > > Changes in v3: > - Undo ADC-settings related code-deletions in stmpe-ts.c that the code is > backwards-compatible to older devicetrees. > > Changes in v2: > - Code formatting > - Move code to setup ADC to MFD device, as it is used by both drivers > adc and touchscreen > - Removed unused includes > - Defined the macro STMPE_START_ONE_TEMP_CONV with other macros. > - Added new macro that defines the channel of the temperature sensor. > Took new name for STMPE_MAX_ADC->STMPE_ADC_LAST_NR and used it throughout > the code for better readability. > - Added mutex_unlock where missing. > > drivers/iio/adc/Kconfig | 7 + > drivers/iio/adc/Makefile | 1 + > drivers/iio/adc/stmpe-adc.c | 326 +++++++++++++++++++++++++++ > drivers/input/touchscreen/stmpe-ts.c | 36 +-- > drivers/mfd/Kconfig | 3 +- > drivers/mfd/stmpe.c | 81 +++++++ > include/linux/mfd/stmpe.h | 9 + The MFD changes should be contained in a separate patch. I don't see anything which ties the changes together. > 7 files changed, 437 insertions(+), 26 deletions(-) > create mode 100644 drivers/iio/adc/stmpe-adc.c -- Lee Jones [李琼斯] Linaro Services Technical Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog
