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Commit 19ace024 authored by Daqing Chen's avatar Daqing Chen Committed by Gerrit - the friendly Code Review server
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input: sensors: modify resolution for sensor mpu6050 



Modify mpu6050 accelerometer resolution and modify the report data
bit to 16 bits.

Change-Id: I29b6fddb083477b3724038b051173a6e1594c81c
Signed-off-by: default avatarDaqing Chen <chendaqing@codeaurora.org>
parent e4d39e9e

drivers/input/misc/mpu6050.c

+9 −9
Original line number Original line Diff line number Diff line
@@ -627,11 +627,11 @@ static void mpu6050_read_single_event(struct mpu6050_sensor *sensor) 
			sensor->pdata->place);

			sensor->pdata->place);

		shift = mpu_accel_fs_shift[sensor->cfg.accel_fs];

		shift = mpu_accel_fs_shift[sensor->cfg.accel_fs];

		input_report_abs(sensor->accel_dev, ABS_X,

		input_report_abs(sensor->accel_dev, ABS_X,

			(sensor->axis.x >> shift));

			(sensor->axis.x << shift));

		input_report_abs(sensor->accel_dev, ABS_Y,

		input_report_abs(sensor->accel_dev, ABS_Y,

			(sensor->axis.y >> shift));

			(sensor->axis.y << shift));

		input_report_abs(sensor->accel_dev, ABS_Z,

		input_report_abs(sensor->accel_dev, ABS_Z,

			(sensor->axis.z >> shift));

			(sensor->axis.z << shift));

		input_sync(sensor->accel_dev);

		input_sync(sensor->accel_dev);

	}

	}
@@ -759,11 +759,11 @@ static void mpu6050_accel_work_fn(struct work_struct *work) 




	shift = mpu_accel_fs_shift[sensor->cfg.accel_fs];

	shift = mpu_accel_fs_shift[sensor->cfg.accel_fs];

	input_report_abs(sensor->accel_dev, ABS_X,

	input_report_abs(sensor->accel_dev, ABS_X,

		(sensor->axis.x >> shift));

		(sensor->axis.x << shift));

	input_report_abs(sensor->accel_dev, ABS_Y,

	input_report_abs(sensor->accel_dev, ABS_Y,

		(sensor->axis.y >> shift));

		(sensor->axis.y << shift));

	input_report_abs(sensor->accel_dev, ABS_Z,

	input_report_abs(sensor->accel_dev, ABS_Z,

		(sensor->axis.z >> shift));

		(sensor->axis.z << shift));

	input_event(sensor->accel_dev,

	input_event(sensor->accel_dev,

			EV_SYN, SYN_TIME_SEC,

			EV_SYN, SYN_TIME_SEC,

			ktime_to_timespec(timestamp).tv_sec);

			ktime_to_timespec(timestamp).tv_sec);
@@ -1519,11 +1519,11 @@ static void mpu6050_flush_fifo(struct mpu6050_sensor *sensor) 




			shift = mpu_accel_fs_shift[sensor->cfg.accel_fs];

			shift = mpu_accel_fs_shift[sensor->cfg.accel_fs];

			input_report_abs(sensor->accel_dev, ABS_X,

			input_report_abs(sensor->accel_dev, ABS_X,

				(sensor->axis.x >> shift));

				(sensor->axis.x << shift));

			input_report_abs(sensor->accel_dev, ABS_Y,

			input_report_abs(sensor->accel_dev, ABS_Y,

				(sensor->axis.y >> shift));

				(sensor->axis.y << shift));

			input_report_abs(sensor->accel_dev, ABS_Z,

			input_report_abs(sensor->accel_dev, ABS_Z,

				(sensor->axis.z >> shift));

				(sensor->axis.z << shift));

			input_event(sensor->accel_dev,

			input_event(sensor->accel_dev,

				EV_SYN, SYN_TIME_SEC,

				EV_SYN, SYN_TIME_SEC,

				(int)sec);

				(int)sec);

drivers/input/misc/mpu6050.h

+3 −3
Original line number Original line Diff line number Diff line
@@ -182,10 +182,10 @@ enum mpu_accl_fs { 
/* Sensitivity Scale Factor */

/* Sensitivity Scale Factor */

/* Sensor HAL will take 1024 LSB/g */

/* Sensor HAL will take 1024 LSB/g */

enum mpu_accel_fs_shift {

enum mpu_accel_fs_shift {

	ACCEL_SCALE_SHIFT_02G = 4,

	ACCEL_SCALE_SHIFT_02G = 0,

	ACCEL_SCALE_SHIFT_04G = 3,

	ACCEL_SCALE_SHIFT_04G = 1,

	ACCEL_SCALE_SHIFT_08G = 2,

	ACCEL_SCALE_SHIFT_08G = 2,

	ACCEL_SCALE_SHIFT_16G = 1

	ACCEL_SCALE_SHIFT_16G = 3

};

};





enum mpu_gyro_fs_shift {

enum mpu_gyro_fs_shift {