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

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>

1 files changed, 12 insertions, 0 deletions

diff --git a/include/linux/input/pixcir_ts.h b/include/linux/input/pixcir_ts.h
index 160cf353aa39..7bae83b7c396 100644
--- a/include/linux/input/pixcir_ts.h
+++ b/include/linux/input/pixcir_ts.h
@@ -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