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| author | Patil, Rachna <rachna@ti.com> | 2013-01-24 03:45:06 +0000 |
|---|---|---|
| committer | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2013-06-12 18:36:29 +0200 |
| commit | bb76dc09ddfc135c6c5e8eb7d3c583bfa8bdd439 (patch) | |
| tree | 1cbdb08a710c589beac33bc47a7821a14bacd3ab /include/linux/input | |
| parent | abeccee40320245a2a6a006dc8466a703cbd1d5e (diff) | |
| download | lwn-bb76dc09ddfc135c6c5e8eb7d3c583bfa8bdd439.tar.gz lwn-bb76dc09ddfc135c6c5e8eb7d3c583bfa8bdd439.zip | |
input: ti_am33x_tsc: Order of TSC wires, made configurable
The current driver expected touchscreen input
wires(XP,XN,YP,YN) to be connected in a particular order.
Making changes to accept this as platform data.
Sebastian reworked the original patch and removed a lot of the not
required pieces.
Signed-off-by: Patil, Rachna <rachna@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Diffstat (limited to 'include/linux/input')
| -rw-r--r-- | include/linux/input/ti_am335x_tsc.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/input/ti_am335x_tsc.h b/include/linux/input/ti_am335x_tsc.h index 49269a2aa329..6a66b4d1ac2c 100644 --- a/include/linux/input/ti_am335x_tsc.h +++ b/include/linux/input/ti_am335x_tsc.h @@ -12,12 +12,24 @@ * A step configured to read a single * co-ordinate value, can be applied * more number of times for better results. + * @wire_config: Different EVM's could have a different order + * for connecting wires on touchscreen. + * We need to provide an 8 bit number where in + * the 1st four bits represent the analog lines + * and the next 4 bits represent positive/ + * negative terminal on that input line. + * Notations to represent the input lines and + * terminals resoectively is as follows: + * AIN0 = 0, AIN1 = 1 and so on till AIN7 = 7. + * XP = 0, XN = 1, YP = 2, YN = 3. + * */ struct tsc_data { int wires; int x_plate_resistance; int steps_to_configure; + int wire_config[10]; }; #endif |