Merge git://oss.sgi.com:8090/xfs/xfs-2.6
[linux-drm-fsl-dcu.git] / include / linux / spi / ads7846.h
index 1663f940ca115d3a5a2455203fe1df0d200229a9..3387e44dfd13bdef5014e050aff8e85637387048 100644 (file)
@@ -14,6 +14,8 @@ 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
+                                        * measurements as well */
        u16     x_plate_ohms;
        u16     y_plate_ohms;