From: 徐建辉 <xjh@rockchips-.com>
Date: Thu, 28 Apr 2011 01:50:00 +0000 (+0800)
Subject: change mma8452 update event in unit of 1mg
X-Git-Tag: firefly_0821_release~10389
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a4a7ec62f54096c00854cd4443351edc47e19adc;p=firefly-linux-kernel-4.4.55.git

change mma8452 update event in unit of 1mg
---

diff --git a/drivers/input/gsensor/mma8452.c b/drivers/input/gsensor/mma8452.c
index d9a015268d7b..ffa42b1aba98 100755
--- a/drivers/input/gsensor/mma8452.c
+++ b/drivers/input/gsensor/mma8452.c
@@ -331,9 +331,9 @@ static inline int mma8452_convert_to_int(char value)
     int result;
 
     if (value < MMA8452_BOUNDARY) {
-       result = value * MMA8452_GRAVITY_STEP;
+       result = value * MMA8452_GRAVITY_STEP / 10;
     } else {
-       result = ~(((~value & 0x7f) + 1)* MMA8452_GRAVITY_STEP) + 1;
+       result = ~(((~value & 0x7f) + 1)* MMA8452_GRAVITY_STEP / 10) + 1;
     }
 
     return result;
@@ -742,11 +742,11 @@ static int  mma8452_probe(struct i2c_client *client, const struct i2c_device_id
 	set_bit(EV_ABS, mma8452->input_dev->evbit);
 
 	/* x-axis acceleration */
-	input_set_abs_params(mma8452->input_dev, ABS_X, -20000, 20000, 0, 0); //2g full scale range
+	input_set_abs_params(mma8452->input_dev, ABS_X, -2000, 2000, 0, 0); //2g full scale range
 	/* y-axis acceleration */
-	input_set_abs_params(mma8452->input_dev, ABS_Y, -20000, 20000, 0, 0); //2g full scale range
+	input_set_abs_params(mma8452->input_dev, ABS_Y, -2000, 2000, 0, 0); //2g full scale range
 	/* z-axis acceleration */
-	input_set_abs_params(mma8452->input_dev, ABS_Z, -20000, 20000, 0, 0); //2g full scale range
+	input_set_abs_params(mma8452->input_dev, ABS_Z, -2000, 2000, 0, 0); //2g full scale range
 
 	// mma8452->input_dev->name = "compass";
 	mma8452->input_dev->name = "gsensor";