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authorShreshtha Kumar Sahu <shreshthakumar.sahu@stericsson.com>2011-07-25 17:13:17 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-25 20:57:15 -0700
commit40b1445b1b6afc1ddac6ac31f4533277a0fb75dc (patch)
treecdf04e397edef0b2913acf862a3bc3f293894e8c /include
parent2504f6da50f4d9656cad353798bf07657ec12eea (diff)
arch/arm/mach-ux500/board-u5500.c: calibrate ALS input voltage
Provide the support for auto calibration of ALS Zone boundaries based on min/max ALS input voltage. Signed-off-by: Shreshtha Kumar Sahu <shreshthakumar.sahu@stericsson.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Lee Jones <lee.jones@linaro.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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 58592fa67d24..8eb12357a110 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;
};