1 files changed, 8 insertions, 0 deletions

diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h
index 3387e44dfd..a44fa7a02b 100644
--- a/include/linux/spi/ads7846.h
+++ b/include/linux/spi/ads7846.h
@@ -16,6 +16,14 @@ struct ads7846_platform_data {
         u16     vref_delay_usecs;       /* 0 for external vref; etc */
         int     keep_vref_on:1;         /* 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;
+
         u16     x_plate_ohms;
         u16     y_plate_ohms;