fc0dccdda1
This makes code consistent around inv_mpu6050 driver and fixes the following checkpatch.pl warning: CHECK: Alignment should match open parenthesis Note that there were few cases were it was not possible to fix this due to making the line too long, but we can live with that. Signed-off-by: Daniel Baluta <daniel.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
150 lines
3.8 KiB
C
150 lines
3.8 KiB
C
/*
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* Copyright (C) 2012 Invensense, Inc.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include "inv_mpu_iio.h"
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static void inv_scan_query(struct iio_dev *indio_dev)
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{
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struct inv_mpu6050_state *st = iio_priv(indio_dev);
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st->chip_config.gyro_fifo_enable =
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test_bit(INV_MPU6050_SCAN_GYRO_X,
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indio_dev->active_scan_mask) ||
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test_bit(INV_MPU6050_SCAN_GYRO_Y,
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indio_dev->active_scan_mask) ||
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test_bit(INV_MPU6050_SCAN_GYRO_Z,
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indio_dev->active_scan_mask);
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st->chip_config.accl_fifo_enable =
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test_bit(INV_MPU6050_SCAN_ACCL_X,
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indio_dev->active_scan_mask) ||
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test_bit(INV_MPU6050_SCAN_ACCL_Y,
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indio_dev->active_scan_mask) ||
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test_bit(INV_MPU6050_SCAN_ACCL_Z,
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indio_dev->active_scan_mask);
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}
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/**
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* inv_mpu6050_set_enable() - enable chip functions.
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* @indio_dev: Device driver instance.
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* @enable: enable/disable
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*/
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static int inv_mpu6050_set_enable(struct iio_dev *indio_dev, bool enable)
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{
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struct inv_mpu6050_state *st = iio_priv(indio_dev);
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int result;
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if (enable) {
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result = inv_mpu6050_set_power_itg(st, true);
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if (result)
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return result;
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inv_scan_query(indio_dev);
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if (st->chip_config.gyro_fifo_enable) {
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result = inv_mpu6050_switch_engine(st, true,
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INV_MPU6050_BIT_PWR_GYRO_STBY);
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if (result)
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return result;
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}
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if (st->chip_config.accl_fifo_enable) {
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result = inv_mpu6050_switch_engine(st, true,
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INV_MPU6050_BIT_PWR_ACCL_STBY);
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if (result)
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return result;
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}
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result = inv_reset_fifo(indio_dev);
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if (result)
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return result;
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} else {
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result = regmap_write(st->map, st->reg->fifo_en, 0);
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if (result)
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return result;
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result = regmap_write(st->map, st->reg->int_enable, 0);
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if (result)
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return result;
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result = regmap_write(st->map, st->reg->user_ctrl, 0);
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if (result)
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return result;
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result = inv_mpu6050_switch_engine(st, false,
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INV_MPU6050_BIT_PWR_GYRO_STBY);
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if (result)
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return result;
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result = inv_mpu6050_switch_engine(st, false,
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INV_MPU6050_BIT_PWR_ACCL_STBY);
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if (result)
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return result;
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result = inv_mpu6050_set_power_itg(st, false);
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if (result)
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return result;
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}
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st->chip_config.enable = enable;
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return 0;
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}
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/**
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* inv_mpu_data_rdy_trigger_set_state() - set data ready interrupt state
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* @trig: Trigger instance
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* @state: Desired trigger state
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*/
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static int inv_mpu_data_rdy_trigger_set_state(struct iio_trigger *trig,
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bool state)
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{
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return inv_mpu6050_set_enable(iio_trigger_get_drvdata(trig), state);
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}
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static const struct iio_trigger_ops inv_mpu_trigger_ops = {
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.owner = THIS_MODULE,
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.set_trigger_state = &inv_mpu_data_rdy_trigger_set_state,
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};
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int inv_mpu6050_probe_trigger(struct iio_dev *indio_dev)
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{
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int ret;
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struct inv_mpu6050_state *st = iio_priv(indio_dev);
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st->trig = devm_iio_trigger_alloc(&indio_dev->dev,
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"%s-dev%d",
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indio_dev->name,
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indio_dev->id);
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if (!st->trig)
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return -ENOMEM;
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ret = devm_request_irq(&indio_dev->dev, st->irq,
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&iio_trigger_generic_data_rdy_poll,
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IRQF_TRIGGER_RISING,
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"inv_mpu",
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st->trig);
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if (ret)
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return ret;
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st->trig->dev.parent = regmap_get_device(st->map);
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st->trig->ops = &inv_mpu_trigger_ops;
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iio_trigger_set_drvdata(st->trig, indio_dev);
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ret = iio_trigger_register(st->trig);
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if (ret)
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return ret;
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indio_dev->trig = iio_trigger_get(st->trig);
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return 0;
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}
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void inv_mpu6050_remove_trigger(struct inv_mpu6050_state *st)
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{
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iio_trigger_unregister(st->trig);
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}
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