staging: iio: light: iqs253: tune iqs263

- stability fix to enable motion detection.
- HALTIME set to 1 min.

Change-Id: Ib93512ffec130918068e0f0d28b322bbe60d6d9a
Signed-off-by: Shylender Gaddamwar <sgaddamwar@nvidia.com>
(cherry picked from commit 217999905d5523c7e6695bc9776de7ed49d90254)
Reviewed-on: http://git-master/r/496128
Reviewed-by: Todd Poynter <tpoynter@nvidia.com>
Tested-by: Todd Poynter <tpoynter@nvidia.com>

diff --git a/drivers/staging/iio/light/iqs253.c b/drivers/staging/iio/light/iqs253.c
index 0d15dc1d8d687b9b8a46d36e3063dd28d5bcd986..24f99ce921501cc60a43568e38ca830f4cd077e1 100644 (file)
--- a/drivers/staging/iio/light/iqs253.c
+++ b/drivers/staging/iio/light/iqs253.c
@@ -122,9 +122,10 @@
 #define TOUCH_THR1   0x14
 #define TOUCH_THR2   0x02
 #define TOUCH_THR3   0x03
-#define MOV_THR      0x15
+#define MOV_THR      0x04   /* 0x15 -->0x4 (Enable motion detection) */
 #define MOV_DEB      0x00
-#define HALT_TIME    0xFF
+#define HALT_TIME    0x30  /* 0xFF -> 0x64(2min) -> 0x30(55sec) --> 0x16 (30 sec) */
+#define HALT_RESEED  0x00   /* RESEED CMD */
 #define I2C_TIMEOUT  0x04
 
 #define SYST_SET     0x80
@@ -216,12 +217,12 @@ static u8 beforeinit_prox_settings[10] = { PROX_SET0 | 0x80, PROX_SET1 | 0x0,
                                           EVENT_MASK };
 static u8 active_ch[] = { ACT_CH0 | 0x05 };
 static u8 set_thresholds[] = { PROX_THR, TOUCH_THR1, TOUCH_THR2, TOUCH_THR3,
-                              MOV_THR, MOV_DEB, HALT_TIME, I2C_TIMEOUT };
+                              MOV_THR, HALT_RESEED, HALT_TIME, I2C_TIMEOUT };
 static u8 set_multipliers[] = { CH0_MULT, CH1_MULT, CH2_MULT, CH3_MULT,
                                 CH_BASE | 0x00};
 static u8 set_tim_targets[] = { LP_TIME, TARGET_T, TARGET_P };
 static u8 afterinit_prox_settings[] = { PROX_SET0 | 0x10, PROX_SET1 | 0x02,
-                                       PROX_SET2 | 0x00, PROX_SET3 | 0x01,
+                                       PROX_SET2 | 0x04, PROX_SET3 | 0x05,
                                        EVENT_MASK };
 static u8 set_ati[] = {0 };