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Diffstat (limited to 'include/linux/spi/ads7846.h')
-rw-r--r--include/linux/spi/ads7846.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h
index 334d3141162..daf744017a3 100644
--- a/include/linux/spi/ads7846.h
+++ b/include/linux/spi/ads7846.h
@@ -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