[PATCH v6 0/6] Touchscreen performance related fixes

[Vignesh R]

This series is rebase of v4 onto v3.19-rc1. It also fixes concerns
expressed on v4 wrt simultaneous use of IIO and TSC.

I have tested this patch series on am335x-evm and Beaglebone black
with lcd7-cape.

Note that, these patches do not work as expected on Beaglebone Black
with BB-View 4.3 Cape from Farnell due to a hardware issue in the cape.

Change log:
v6:
 - Reorder patch 4 and 5.

v5:
 - Rebased onto v3.19-rc1
 - minor changes in patch 2,3 and 5.

v3:
 - Replace delta filtering logic in TSC driver with median filtering
   as suggested by Richard.
 - Addressed Lee Jones comments.

v2:
 - Addressed comments by Hartmut Knaack
 - patch 2 was split into two as per Lee Jones comment

Brad Griffis (2):
  input: touchscreen: ti_am335x_tsc Interchange touchscreen and ADC
    steps
  input: touchscreen: ti_am335x_tsc: Remove udelay in interrupt handler

Vignesh R (4):
  mfd: ti_am335x_tscadc: Remove unwanted reg_se_cache save
  input: touchscreen: ti_am335x_tsc: Read charge delay from DT
  ARM: dts: AM335x: Make charge delay a DT parameter for TSC
  input: touchscreen: ti_am335x_tsc: Replace delta filtering with median
    filtering

 .../bindings/input/touchscreen/ti-tsc-adc.txt      |  15 ++
 arch/arm/boot/dts/am335x-evm.dts                   |   1 +
 drivers/iio/adc/ti_am335x_adc.c                    |   5 +-
 drivers/input/touchscreen/ti_am335x_tsc.c          | 197 ++++++++++++---------
 drivers/mfd/ti_am335x_tscadc.c                     |  13 +-
 include/linux/mfd/ti_am335x_tscadc.h               |   4 +-
 6 files changed, 137 insertions(+), 98 deletions(-)

-- 
1.9.1

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