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Input: pixcir_i2c_ts - support up to 5 fingers and hardware tracking IDs

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Some variants of the Pixcir touch controller support up to 5 simultaneous
fingers and hardware tracking IDs. Prepare the driver for that.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Roger Quadros
2014-07-28 10:01:07 -07:00
committed by Dmitry Torokhov
parent 62e65b7e85
commit 36874c7e21
2 changed files with 69 additions and 17 deletions
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12
include/linux/input/pixcir_ts.h
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@@ -43,10 +43,22 @@ enum pixcir_int_mode {
#define PIXCIR_INT_ENABLE (1UL << 3)
#define PIXCIR_INT_POL_HIGH (1UL << 2)
/**
* struct pixcir_irc_chip_data - chip related data
* @max_fingers: Max number of fingers reported simultaneously by h/w
* @has_hw_ids: Hardware supports finger tracking IDs
*
*/
struct pixcir_i2c_chip_data {
u8 max_fingers;
bool has_hw_ids;
};
struct pixcir_ts_platform_data {
int x_max;
int y_max;
int gpio_attb; /* GPIO connected to ATTB line */
struct pixcir_i2c_chip_data chip;
};
#endif