Input: ads7846 - add support for AD7843 parts
The AD7873 is almost identical to the ADS7846; the only difference is
related to the Power Management bits PD0 and PD1. This results in a
slightly different PENIRQ enable behavior. For the AD7873, VREF should
be turned off during differential measurements.
So, add the AD7873/43 to the list of driver supported devices, and prevent
VREF usage during differential/ratiometric conversion modes.
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 7208654..8a8fa4d 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -24,17 +24,18 @@
module will be called 88pm860x-ts.
config TOUCHSCREEN_ADS7846
- tristate "ADS7846/TSC2046 and ADS7843 based touchscreens"
+ tristate "ADS7846/TSC2046/AD7873 and AD(S)7843 based touchscreens"
depends on SPI_MASTER
depends on HWMON = n || HWMON
help
Say Y here if you have a touchscreen interface using the
- ADS7846/TSC2046 or ADS7843 controller, and your board-specific
- setup code includes that in its table of SPI devices.
+ ADS7846/TSC2046/AD7873 or ADS7843/AD7843 controller,
+ and your board-specific setup code includes that in its
+ table of SPI devices.
If HWMON is selected, and the driver is told the reference voltage
on your board, you will also get hwmon interfaces for the voltage
- (and on ads7846/tsc2046, temperature) sensors of this chip.
+ (and on ads7846/tsc2046/ad7873, temperature) sensors of this chip.
If unsure, say N (but it's safe to say "Y").