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Input: atmel_mxt_ts - read screen config from chip

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By reading the touchscreen configuration from the settings that the
maXTouch chip is actually using, we can remove some platform data.

The matrix size is not used for anything, and results in some rather
confusing code to re-read it because it may change when configuration
is downloaded, so don't print it out.

Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk>
Acked-by: Benson Leung <bleung@chromium.org>
Acked-by: Yufeng Shen <miletus@chromium.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Nick Dyer 2014-05-18 23:16:49 -07:00 • committed by Dmitry Torokhov
parent f2ac6cb920
commit 61dc1abae6
4 changed files with 65 additions and 95 deletions
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15
include/linux/i2c/atmel_mxt_ts.h
View file

@ -15,26 +15,11 @@
#include <linux/types.h>
/* Orient */
#define MXT_NORMAL 0x0
#define MXT_DIAGONAL 0x1
#define MXT_HORIZONTAL_FLIP 0x2
#define MXT_ROTATED_90_COUNTER 0x3
#define MXT_VERTICAL_FLIP 0x4
#define MXT_ROTATED_90 0x5
#define MXT_ROTATED_180 0x6
#define MXT_DIAGONAL_COUNTER 0x7
/* The platform data for the Atmel maXTouch touchscreen driver */
struct mxt_platform_data {
const u8 *config;
size_t config_length;
u32 config_crc;
unsigned int x_size;
unsigned int y_size;
unsigned char orient;
unsigned long irqflags;
u8 t19_num_keys;
const unsigned int *t19_keymap;