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authorShreshtha Kumar Sahu <shreshthakumar.sahu@stericsson.com>2011-06-01 15:50:22 +0530
committerUlf Hansson <ulf.hansson@stericsson.com>2011-09-19 15:15:45 +0200
commit7a31e6b55b6001df0752dc08a197eca39b00b7cd (patch)
tree4b52d26770f3e5efa331cfad939507adb3fa5104 /include
parent6aaff4d85d42147f23a8a763abcc597149791556 (diff)
u5500: leds: lm3530: calibrate ALS input voltage
This patch provides the support for auto calibration of ALS Zone boundaries based on min/max ALS input voltage. ST-Ericsson Linux next: (Tested and reviewed 2011-06-09, ER336280) ST-Ericsson ID: 343609 ST-Ericsson FOSS-OUT ID: Trivial Change-Id: I64f7dc5c72381fd5574b26d571ac4cfda7d86484 Signed-off-by: Shreshtha Kumar Sahu <shreshthakumar.sahu@stericsson.com> Reviewed-on: http://gerrit.lud.stericsson.com/gerrit/24332 Reviewed-by: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/led-lm3530.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/led-lm3530.h b/include/linux/led-lm3530.h
index 58592fa67d2..8eb12357a11 100644
--- a/include/linux/led-lm3530.h
+++ b/include/linux/led-lm3530.h
@@ -84,6 +84,8 @@ enum lm3530_als_mode {
* @brt_ramp_rise: rate of rise of led current
* @als1_resistor_sel: internal resistance from ALS1 input to ground
* @als2_resistor_sel: internal resistance from ALS2 input to ground
+ * @als_vmin: als input voltage calibrated for max brightness in mV
+ * @als_vmax: als input voltage calibrated for min brightness in mV
* @brt_val: brightness value (0-255)
*/
struct lm3530_platform_data {
@@ -101,6 +103,9 @@ struct lm3530_platform_data {
u8 als1_resistor_sel;
u8 als2_resistor_sel;
+ u32 als_vmin;
+ u32 als_vmax;
+
u8 brt_val;
};