]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - include/linux/spi/ads7846.h
mm: introduce node_zonelist() for accessing the zonelist for a GFP mask
[linux-2.6-omap-h63xx.git] / include / linux / spi / ads7846.h
index 3387e44dfd13bdef5014e050aff8e85637387048..daf744017a31c86bfaacf0a98ad1ebfdd27a4595 100644 (file)
@@ -14,8 +14,23 @@ enum ads7846_filter {
 struct ads7846_platform_data {
        u16     model;                  /* 7843, 7845, 7846. */
        u16     vref_delay_usecs;       /* 0 for external vref; etc */
-       int     keep_vref_on:1;         /* set to keep vref on for differential
+       u16     vref_mv;                /* external vref value, milliVolts */
+       bool    keep_vref_on;           /* set to keep vref on for differential
                                         * measurements as well */
+
+       /* Settling time of the analog signals; a function of Vcc and the
+        * capacitance on the X/Y drivers.  If set to non-zero, two samples
+        * are taken with settle_delay us apart, and the second one is used.
+        * ~150 uSec with 0.01uF caps.
+        */
+       u16     settle_delay_usecs;
+
+       /* If set to non-zero, after samples are taken this delay is applied
+        * and penirq is rechecked, to help avoid false events.  This value
+        * is affected by the material used to build the touch layer.
+        */
+       u16     penirq_recheck_delay_usecs;
+
        u16     x_plate_ohms;
        u16     y_plate_ohms;