]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - include/linux/spi/ads7846.h
Merge branch 'for-rmk' of git://pasiphae.extern.pengutronix.de/git/imx/linux-2.6.git
[linux-2.6-omap-h63xx.git] / include / linux / spi / ads7846.h
index 334d3141162966a4daacc7233d4bdf843b4d4e6a..05eab2f11e6323b9817e24a53b9f2c7180184106 100644 (file)
@@ -14,7 +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
+       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
@@ -42,6 +43,9 @@ struct ads7846_platform_data {
        u16     debounce_tol;           /* tolerance used for filtering */
        u16     debounce_rep;           /* additional consecutive good readings
                                         * required after the first two */
+       int     gpio_pendown;           /* the GPIO used to decide the pendown
+                                        * state if get_pendown_state == NULL
+                                        */
        int     (*get_pendown_state)(void);
        int     (*filter_init)  (struct ads7846_platform_data *pdata,
                                 void **filter_data);