diff options
Diffstat (limited to 'include/linux/spi')
| -rw-r--r-- | include/linux/spi/ads7846.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h new file mode 100644 index 000000000000..84a27013d399 --- /dev/null +++ b/include/linux/spi/ads7846.h @@ -0,0 +1,18 @@ +/* linux/spi/ads7846.h */ + +/* Touchscreen characteristics vary between boards and models. The + * platform_data for the device's "struct device" holts this information. + * + * It's OK if the min/max values are zero. + */ +struct ads7846_platform_data { + u16 model; /* 7843, 7845, 7846. */ + u16 vref_delay_usecs; /* 0 for external vref; etc */ + u16 x_plate_ohms; + u16 y_plate_ohms; + + u16 x_min, x_max; + u16 y_min, y_max; + u16 pressure_min, pressure_max; +}; + |