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Commit 5ae79fe4 authored by Daqing Chen's avatar Daqing Chen Committed by Gerrit - the friendly Code Review server
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input: sensors: delete the apds9930 light sensor reduce status set 



When apds9930 light sensor in high light intense, the sensor
enter reduce status and sensor data is not stable in reduce
status. So delete the sensor reduce set to fix this issue.

Change-Id: Ief1677cf3e1065c61805020574bd98651ed4c53d
Signed-off-by: default avatarDaqing Chen <chendaqing@codeaurora.org>
parent ac6c6499

drivers/misc/apds993x.c

+4 −32
Original line number Diff line number Diff line
@@ -55,7 +55,7 @@ 
#define APDS993X_COE_C	70	/* 0.70 without glass window */

#define APDS993X_COE_D	142	/* 1.42 without glass window */

#define APDS993X_DF	52

#define ALS_MAX_RANGE	60000

#define ALS_MAX_RANGE	40000



#define APDS_CAL_SKIP_COUNT     5

#define APDS_MAX_CAL	(10 + APDS_CAL_SKIP_COUNT)
@@ -705,7 +705,7 @@ static int LuxCalculation(struct i2c_client *client, int ch0data, int ch1data) 
		return -1; 	/* don't report first, change gain may help */

	}



	luxValue = ((IAC * apds993x_ga * APDS993X_DF) / 100) * 65 / 10 /

	luxValue = ((IAC * apds993x_ga * APDS993X_DF) / 100) /

		((apds993x_als_integration_tb[data->als_atime_index] /

		  100) * apds993x_als_again_tb[data->als_again_index]);
@@ -764,7 +764,6 @@ static void apds993x_change_als_threshold(struct i2c_client *client) 
	struct apds993x_data *data = i2c_get_clientdata(client);

	int ch0data, ch1data, v;

	int luxValue=0;

	int err;

	unsigned char change_again=0;

	unsigned char control_data=0;

	unsigned char lux_is_valid=1;
@@ -784,8 +783,6 @@ static void apds993x_change_als_threshold(struct i2c_client *client) 
		/* don't report, the lux is invalid value */

		lux_is_valid = 0;

		luxValue = data->als_prev_lux;

		if (data->als_reduce)

			lux_is_valid = 1;

			/* report anyway since this is the lowest gain */

	}
@@ -852,22 +849,11 @@ static void apds993x_change_als_threshold(struct i2c_client *client) 
		if (data->als_again_index != APDS993X_ALS_GAIN_1X) {

			data->als_again_index--;

			change_again = 1;

		} else {

			err = i2c_smbus_write_byte_data(client,

					CMD_BYTE|APDS993X_CONFIG_REG,

					APDS993X_ALS_REDUCE);

			if (err >= 0)

				data->als_reduce = 1;

		}

	} else if (data->als_data <=

		   ((apds993x_als_res_tb[data->als_atime_index] * 10) / 100)) {

		/* increase AGAIN if possible */

		if (data->als_reduce) {

			err = i2c_smbus_write_byte_data(client,

					CMD_BYTE|APDS993X_CONFIG_REG, 0);

			if (err >= 0)

				data->als_reduce = 0;

		} else if (data->als_again_index != APDS993X_ALS_GAIN_120X) {

		if (data->als_again_index != APDS993X_ALS_GAIN_120X) {

			data->als_again_index++;

			change_again = 1;

		}
@@ -911,7 +897,6 @@ static void apds993x_als_polling_work_handler(struct work_struct *work) 
	struct i2c_client *client=data->client;

	int ch0data, ch1data, pdata, v;

	int luxValue=0;

	int err;

	unsigned char change_again=0;

	unsigned char control_data=0;

	unsigned char lux_is_valid=1;
@@ -933,8 +918,6 @@ static void apds993x_als_polling_work_handler(struct work_struct *work) 
		/* don't report, this is invalid lux value */

		lux_is_valid = 0;

		luxValue = data->als_prev_lux;

		if (data->als_reduce)

			lux_is_valid = 1;

			/* report anyway since this is the lowest gain */

	}

	/*
@@ -988,22 +971,11 @@ static void apds993x_als_polling_work_handler(struct work_struct *work) 
		if (data->als_again_index != APDS993X_ALS_GAIN_1X) {

			data->als_again_index--;

			change_again = 1;

		} else {

			err = i2c_smbus_write_byte_data(client,

					CMD_BYTE|APDS993X_CONFIG_REG,

					APDS993X_ALS_REDUCE);

			if (err >= 0)

				data->als_reduce = 1;

		}

	} else if (data->als_data <=

		   (apds993x_als_res_tb[data->als_atime_index] * 10) / 100) {

		/* increase AGAIN if possible */

		if (data->als_reduce) {

			err = i2c_smbus_write_byte_data(client,

					CMD_BYTE|APDS993X_CONFIG_REG, 0);

			if (err >= 0)

				data->als_reduce = 0;

		} else if (data->als_again_index != APDS993X_ALS_GAIN_120X) {

		if (data->als_again_index != APDS993X_ALS_GAIN_120X) {

			data->als_again_index++;

			change_again = 1;

		}