diff options
Diffstat (limited to 'include/linux/spi')
| -rw-r--r-- | include/linux/spi/ads7846.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h index 3387e44dfd1..a44fa7a02bd 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; |