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authorIngo Molnar <mingo@elte.hu>2009-04-20 18:08:07 +0200
committerIngo Molnar <mingo@elte.hu>2009-04-20 18:08:12 +0200
commit62d170290979e0bb805d969cca4ea852bdd45260 (patch)
tree837372297501a2d144358b44e7db3f88c5612aa2 /include/linux/spi
parent8b5b94e4e9813cdd77103827f48d58c806ab45c6 (diff)
parentd91dfbb41bb2e9bdbfbd2cc7078ed7436eab027a (diff)
downloadtalos-obmc-linux-62d170290979e0bb805d969cca4ea852bdd45260.tar.gz
talos-obmc-linux-62d170290979e0bb805d969cca4ea852bdd45260.zip
Merge branch 'linus' into x86/urgent
Merge reason: We need the x86/uv updates from upstream, to queue up dependent fix. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/spi')
-rw-r--r--include/linux/spi/ad7879.h35
-rw-r--r--include/linux/spi/ads7846.h1
2 files changed, 36 insertions, 0 deletions
diff --git a/include/linux/spi/ad7879.h b/include/linux/spi/ad7879.h
new file mode 100644
index 000000000000..4231104c9afa
--- /dev/null
+++ b/include/linux/spi/ad7879.h
@@ -0,0 +1,35 @@
+/* linux/spi/ad7879.h */
+
+/* Touchscreen characteristics vary between boards and models. The
+ * platform_data for the device's "struct device" holds this information.
+ *
+ * It's OK if the min/max values are zero.
+ */
+struct ad7879_platform_data {
+ u16 model; /* 7879 */
+ u16 x_plate_ohms;
+ u16 x_min, x_max;
+ u16 y_min, y_max;
+ u16 pressure_min, pressure_max;
+
+ /* [0..255] 0=OFF Starts at 1=550us and goes
+ * all the way to 9.440ms in steps of 35us.
+ */
+ u8 pen_down_acc_interval;
+ /* [0..15] Starts at 0=128us and goes all the
+ * way to 4.096ms in steps of 128us.
+ */
+ u8 first_conversion_delay;
+ /* [0..3] 0 = 2us, 1 = 4us, 2 = 8us, 3 = 16us */
+ u8 acquisition_time;
+ /* [0..3] Average X middle samples 0 = 2, 1 = 4, 2 = 8, 3 = 16 */
+ u8 averaging;
+ /* [0..3] Perform X measurements 0 = OFF,
+ * 1 = 4, 2 = 8, 3 = 16 (median > averaging)
+ */
+ u8 median;
+ /* 1 = AUX/VBAT/GPIO set to GPIO Output */
+ u8 gpio_output;
+ /* Initial GPIO pin state (valid if gpio_output = 1) */
+ u8 gpio_default;
+};
diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h
index 05eab2f11e63..2ea20320c093 100644
--- a/include/linux/spi/ads7846.h
+++ b/include/linux/spi/ads7846.h
@@ -51,5 +51,6 @@ struct ads7846_platform_data {
void **filter_data);
int (*filter) (void *filter_data, int data_idx, int *val);
void (*filter_cleanup)(void *filter_data);
+ void (*wait_for_sync)(void);
};
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