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@@ -1,7 +1,7 @@
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/*
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/*
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* AD714X CapTouch Programmable Controller driver supporting AD7142/3/7/8/7A
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* AD714X CapTouch Programmable Controller driver supporting AD7142/3/7/8/7A
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*
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*
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- * Copyright 2009 Analog Devices Inc.
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+ * Copyright 2009-2011 Analog Devices Inc.
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*
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*
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* Licensed under the GPL-2 or later.
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* Licensed under the GPL-2 or later.
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*/
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*/
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@@ -59,7 +59,6 @@
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#define STAGE11_AMBIENT 0x27D
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#define STAGE11_AMBIENT 0x27D
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#define PER_STAGE_REG_NUM 36
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#define PER_STAGE_REG_NUM 36
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-#define STAGE_NUM 12
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#define STAGE_CFGREG_NUM 8
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#define STAGE_CFGREG_NUM 8
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#define SYS_CFGREG_NUM 8
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#define SYS_CFGREG_NUM 8
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@@ -124,27 +123,6 @@ struct ad714x_driver_data {
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* information to integrate all things which will be private data
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* information to integrate all things which will be private data
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* of spi/i2c device
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* of spi/i2c device
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*/
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*/
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-struct ad714x_chip {
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- unsigned short h_state;
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- unsigned short l_state;
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- unsigned short c_state;
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- unsigned short adc_reg[STAGE_NUM];
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- unsigned short amb_reg[STAGE_NUM];
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- unsigned short sensor_val[STAGE_NUM];
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-
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- struct ad714x_platform_data *hw;
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- struct ad714x_driver_data *sw;
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-
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- int irq;
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- struct device *dev;
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- ad714x_read_t read;
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- ad714x_write_t write;
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-
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- struct mutex mutex;
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-
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- unsigned product;
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- unsigned version;
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-};
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static void ad714x_use_com_int(struct ad714x_chip *ad714x,
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static void ad714x_use_com_int(struct ad714x_chip *ad714x,
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int start_stage, int end_stage)
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int start_stage, int end_stage)
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@@ -154,13 +132,13 @@ static void ad714x_use_com_int(struct ad714x_chip *ad714x,
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mask = ((1 << (end_stage + 1)) - 1) - ((1 << start_stage) - 1);
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mask = ((1 << (end_stage + 1)) - 1) - ((1 << start_stage) - 1);
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- ad714x->read(ad714x->dev, STG_COM_INT_EN_REG, &data);
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+ ad714x->read(ad714x, STG_COM_INT_EN_REG, &data, 1);
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data |= 1 << end_stage;
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data |= 1 << end_stage;
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- ad714x->write(ad714x->dev, STG_COM_INT_EN_REG, data);
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+ ad714x->write(ad714x, STG_COM_INT_EN_REG, data);
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- ad714x->read(ad714x->dev, STG_HIGH_INT_EN_REG, &data);
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+ ad714x->read(ad714x, STG_HIGH_INT_EN_REG, &data, 1);
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data &= ~mask;
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data &= ~mask;
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- ad714x->write(ad714x->dev, STG_HIGH_INT_EN_REG, data);
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+ ad714x->write(ad714x, STG_HIGH_INT_EN_REG, data);
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}
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}
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static void ad714x_use_thr_int(struct ad714x_chip *ad714x,
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static void ad714x_use_thr_int(struct ad714x_chip *ad714x,
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@@ -171,13 +149,13 @@ static void ad714x_use_thr_int(struct ad714x_chip *ad714x,
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mask = ((1 << (end_stage + 1)) - 1) - ((1 << start_stage) - 1);
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mask = ((1 << (end_stage + 1)) - 1) - ((1 << start_stage) - 1);
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- ad714x->read(ad714x->dev, STG_COM_INT_EN_REG, &data);
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+ ad714x->read(ad714x, STG_COM_INT_EN_REG, &data, 1);
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data &= ~(1 << end_stage);
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data &= ~(1 << end_stage);
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- ad714x->write(ad714x->dev, STG_COM_INT_EN_REG, data);
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+ ad714x->write(ad714x, STG_COM_INT_EN_REG, data);
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- ad714x->read(ad714x->dev, STG_HIGH_INT_EN_REG, &data);
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+ ad714x->read(ad714x, STG_HIGH_INT_EN_REG, &data, 1);
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data |= mask;
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data |= mask;
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- ad714x->write(ad714x->dev, STG_HIGH_INT_EN_REG, data);
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+ ad714x->write(ad714x, STG_HIGH_INT_EN_REG, data);
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}
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}
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static int ad714x_cal_highest_stage(struct ad714x_chip *ad714x,
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static int ad714x_cal_highest_stage(struct ad714x_chip *ad714x,
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@@ -273,15 +251,16 @@ static void ad714x_slider_cal_sensor_val(struct ad714x_chip *ad714x, int idx)
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struct ad714x_slider_plat *hw = &ad714x->hw->slider[idx];
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struct ad714x_slider_plat *hw = &ad714x->hw->slider[idx];
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int i;
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int i;
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+ ad714x->read(ad714x, CDC_RESULT_S0 + hw->start_stage,
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+ &ad714x->adc_reg[hw->start_stage],
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+ hw->end_stage - hw->start_stage + 1);
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+
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for (i = hw->start_stage; i <= hw->end_stage; i++) {
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for (i = hw->start_stage; i <= hw->end_stage; i++) {
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- ad714x->read(ad714x->dev, CDC_RESULT_S0 + i,
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- &ad714x->adc_reg[i]);
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- ad714x->read(ad714x->dev,
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- STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
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- &ad714x->amb_reg[i]);
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-
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- ad714x->sensor_val[i] = abs(ad714x->adc_reg[i] -
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- ad714x->amb_reg[i]);
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+ ad714x->read(ad714x, STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
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+ &ad714x->amb_reg[i], 1);
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+
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+ ad714x->sensor_val[i] =
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+ abs(ad714x->adc_reg[i] - ad714x->amb_reg[i]);
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}
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}
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}
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}
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@@ -444,15 +423,16 @@ static void ad714x_wheel_cal_sensor_val(struct ad714x_chip *ad714x, int idx)
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struct ad714x_wheel_plat *hw = &ad714x->hw->wheel[idx];
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struct ad714x_wheel_plat *hw = &ad714x->hw->wheel[idx];
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int i;
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int i;
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+ ad714x->read(ad714x, CDC_RESULT_S0 + hw->start_stage,
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+ &ad714x->adc_reg[hw->start_stage],
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+ hw->end_stage - hw->start_stage + 1);
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+
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for (i = hw->start_stage; i <= hw->end_stage; i++) {
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for (i = hw->start_stage; i <= hw->end_stage; i++) {
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- ad714x->read(ad714x->dev, CDC_RESULT_S0 + i,
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- &ad714x->adc_reg[i]);
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- ad714x->read(ad714x->dev,
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- STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
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- &ad714x->amb_reg[i]);
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+ ad714x->read(ad714x, STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
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+ &ad714x->amb_reg[i], 1);
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if (ad714x->adc_reg[i] > ad714x->amb_reg[i])
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if (ad714x->adc_reg[i] > ad714x->amb_reg[i])
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- ad714x->sensor_val[i] = ad714x->adc_reg[i] -
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- ad714x->amb_reg[i];
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+ ad714x->sensor_val[i] =
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+ ad714x->adc_reg[i] - ad714x->amb_reg[i];
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else
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else
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ad714x->sensor_val[i] = 0;
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ad714x->sensor_val[i] = 0;
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}
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}
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@@ -597,15 +577,16 @@ static void touchpad_cal_sensor_val(struct ad714x_chip *ad714x, int idx)
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struct ad714x_touchpad_plat *hw = &ad714x->hw->touchpad[idx];
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struct ad714x_touchpad_plat *hw = &ad714x->hw->touchpad[idx];
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int i;
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int i;
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+ ad714x->read(ad714x, CDC_RESULT_S0 + hw->x_start_stage,
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+ &ad714x->adc_reg[hw->x_start_stage],
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+ hw->x_end_stage - hw->x_start_stage + 1);
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+
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for (i = hw->x_start_stage; i <= hw->x_end_stage; i++) {
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for (i = hw->x_start_stage; i <= hw->x_end_stage; i++) {
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- ad714x->read(ad714x->dev, CDC_RESULT_S0 + i,
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- &ad714x->adc_reg[i]);
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- ad714x->read(ad714x->dev,
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- STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
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- &ad714x->amb_reg[i]);
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+ ad714x->read(ad714x, STAGE0_AMBIENT + i * PER_STAGE_REG_NUM,
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+ &ad714x->amb_reg[i], 1);
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if (ad714x->adc_reg[i] > ad714x->amb_reg[i])
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if (ad714x->adc_reg[i] > ad714x->amb_reg[i])
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- ad714x->sensor_val[i] = ad714x->adc_reg[i] -
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- ad714x->amb_reg[i];
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+ ad714x->sensor_val[i] =
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+ ad714x->adc_reg[i] - ad714x->amb_reg[i];
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else
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else
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ad714x->sensor_val[i] = 0;
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ad714x->sensor_val[i] = 0;
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}
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}
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@@ -891,7 +872,7 @@ static int ad714x_hw_detect(struct ad714x_chip *ad714x)
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{
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{
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unsigned short data;
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unsigned short data;
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- ad714x->read(ad714x->dev, AD714X_PARTID_REG, &data);
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+ ad714x->read(ad714x, AD714X_PARTID_REG, &data, 1);
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switch (data & 0xFFF0) {
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switch (data & 0xFFF0) {
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case AD7142_PARTID:
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case AD7142_PARTID:
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ad714x->product = 0x7142;
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ad714x->product = 0x7142;
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@@ -940,23 +921,20 @@ static void ad714x_hw_init(struct ad714x_chip *ad714x)
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for (i = 0; i < STAGE_NUM; i++) {
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for (i = 0; i < STAGE_NUM; i++) {
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reg_base = AD714X_STAGECFG_REG + i * STAGE_CFGREG_NUM;
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reg_base = AD714X_STAGECFG_REG + i * STAGE_CFGREG_NUM;
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for (j = 0; j < STAGE_CFGREG_NUM; j++)
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for (j = 0; j < STAGE_CFGREG_NUM; j++)
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- ad714x->write(ad714x->dev, reg_base + j,
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+ ad714x->write(ad714x, reg_base + j,
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ad714x->hw->stage_cfg_reg[i][j]);
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ad714x->hw->stage_cfg_reg[i][j]);
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}
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}
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for (i = 0; i < SYS_CFGREG_NUM; i++)
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for (i = 0; i < SYS_CFGREG_NUM; i++)
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- ad714x->write(ad714x->dev, AD714X_SYSCFG_REG + i,
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+ ad714x->write(ad714x, AD714X_SYSCFG_REG + i,
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ad714x->hw->sys_cfg_reg[i]);
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ad714x->hw->sys_cfg_reg[i]);
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for (i = 0; i < SYS_CFGREG_NUM; i++)
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for (i = 0; i < SYS_CFGREG_NUM; i++)
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- ad714x->read(ad714x->dev, AD714X_SYSCFG_REG + i,
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- &data);
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+ ad714x->read(ad714x, AD714X_SYSCFG_REG + i, &data, 1);
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- ad714x->write(ad714x->dev, AD714X_STG_CAL_EN_REG, 0xFFF);
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+ ad714x->write(ad714x, AD714X_STG_CAL_EN_REG, 0xFFF);
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/* clear all interrupts */
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/* clear all interrupts */
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- ad714x->read(ad714x->dev, STG_LOW_INT_STA_REG, &data);
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- ad714x->read(ad714x->dev, STG_HIGH_INT_STA_REG, &data);
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- ad714x->read(ad714x->dev, STG_COM_INT_STA_REG, &data);
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+ ad714x->read(ad714x, STG_LOW_INT_STA_REG, &ad714x->l_state, 3);
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}
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}
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static irqreturn_t ad714x_interrupt_thread(int irq, void *data)
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static irqreturn_t ad714x_interrupt_thread(int irq, void *data)
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@@ -966,9 +944,7 @@ static irqreturn_t ad714x_interrupt_thread(int irq, void *data)
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mutex_lock(&ad714x->mutex);
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mutex_lock(&ad714x->mutex);
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- ad714x->read(ad714x->dev, STG_LOW_INT_STA_REG, &ad714x->l_state);
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- ad714x->read(ad714x->dev, STG_HIGH_INT_STA_REG, &ad714x->h_state);
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- ad714x->read(ad714x->dev, STG_COM_INT_STA_REG, &ad714x->c_state);
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+ ad714x->read(ad714x, STG_LOW_INT_STA_REG, &ad714x->l_state, 3);
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for (i = 0; i < ad714x->hw->button_num; i++)
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for (i = 0; i < ad714x->hw->button_num; i++)
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ad714x_button_state_machine(ad714x, i);
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ad714x_button_state_machine(ad714x, i);
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@@ -1245,7 +1221,7 @@ int ad714x_disable(struct ad714x_chip *ad714x)
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mutex_lock(&ad714x->mutex);
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mutex_lock(&ad714x->mutex);
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data = ad714x->hw->sys_cfg_reg[AD714X_PWR_CTRL] | 0x3;
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data = ad714x->hw->sys_cfg_reg[AD714X_PWR_CTRL] | 0x3;
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- ad714x->write(ad714x->dev, AD714X_PWR_CTRL, data);
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+ ad714x->write(ad714x, AD714X_PWR_CTRL, data);
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mutex_unlock(&ad714x->mutex);
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mutex_unlock(&ad714x->mutex);
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@@ -1255,24 +1231,20 @@ EXPORT_SYMBOL(ad714x_disable);
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int ad714x_enable(struct ad714x_chip *ad714x)
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int ad714x_enable(struct ad714x_chip *ad714x)
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{
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{
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- unsigned short data;
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-
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dev_dbg(ad714x->dev, "%s enter\n", __func__);
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dev_dbg(ad714x->dev, "%s enter\n", __func__);
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mutex_lock(&ad714x->mutex);
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mutex_lock(&ad714x->mutex);
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/* resume to non-shutdown mode */
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/* resume to non-shutdown mode */
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- ad714x->write(ad714x->dev, AD714X_PWR_CTRL,
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+ ad714x->write(ad714x, AD714X_PWR_CTRL,
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ad714x->hw->sys_cfg_reg[AD714X_PWR_CTRL]);
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ad714x->hw->sys_cfg_reg[AD714X_PWR_CTRL]);
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/* make sure the interrupt output line is not low level after resume,
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/* make sure the interrupt output line is not low level after resume,
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* otherwise we will get no chance to enter falling-edge irq again
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* otherwise we will get no chance to enter falling-edge irq again
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*/
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*/
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- ad714x->read(ad714x->dev, STG_LOW_INT_STA_REG, &data);
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- ad714x->read(ad714x->dev, STG_HIGH_INT_STA_REG, &data);
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- ad714x->read(ad714x->dev, STG_COM_INT_STA_REG, &data);
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+ ad714x->read(ad714x, STG_LOW_INT_STA_REG, &ad714x->l_state, 3);
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mutex_unlock(&ad714x->mutex);
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mutex_unlock(&ad714x->mutex);
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