diff options
Diffstat (limited to 'drivers/iio/dac/m62332.c')
| -rw-r--r-- | drivers/iio/dac/m62332.c | 34 |
1 files changed, 6 insertions, 28 deletions
diff --git a/drivers/iio/dac/m62332.c b/drivers/iio/dac/m62332.c index 19031943dabe..3497513854d7 100644 --- a/drivers/iio/dac/m62332.c +++ b/drivers/iio/dac/m62332.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * m62332.c - Support for Mitsubishi m62332 DAC * @@ -5,16 +6,6 @@ * * Based on max517 driver: * Copyright (C) 2010, 2011 Roland Stigge <stigge@antcom.de> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/module.h> @@ -34,9 +25,7 @@ struct m62332_data { struct regulator *vcc; struct mutex mutex; u8 raw[M62332_CHANNELS]; -#ifdef CONFIG_PM_SLEEP u8 save[M62332_CHANNELS]; -#endif }; static int m62332_set_value(struct iio_dev *indio_dev, u8 val, int channel) @@ -133,7 +122,6 @@ static int m62332_write_raw(struct iio_dev *indio_dev, return -EINVAL; } -#ifdef CONFIG_PM_SLEEP static int m62332_suspend(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); @@ -165,11 +153,7 @@ static int m62332_resume(struct device *dev) return m62332_set_value(indio_dev, data->save[1], 1); } -static SIMPLE_DEV_PM_OPS(m62332_pm_ops, m62332_suspend, m62332_resume); -#define M62332_PM_OPS (&m62332_pm_ops) -#else -#define M62332_PM_OPS NULL -#endif +static DEFINE_SIMPLE_DEV_PM_OPS(m62332_pm_ops, m62332_suspend, m62332_resume); static const struct iio_info m62332_info = { .read_raw = m62332_read_raw, @@ -192,8 +176,7 @@ static const struct iio_chan_spec m62332_channels[M62332_CHANNELS] = { M62332_CHANNEL(1) }; -static int m62332_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static int m62332_probe(struct i2c_client *client) { struct m62332_data *data; struct iio_dev *indio_dev; @@ -213,15 +196,12 @@ static int m62332_probe(struct i2c_client *client, if (IS_ERR(data->vcc)) return PTR_ERR(data->vcc); - /* establish that the iio_dev is a child of the i2c device */ - indio_dev->dev.parent = &client->dev; - indio_dev->num_channels = ARRAY_SIZE(m62332_channels); indio_dev->channels = m62332_channels; indio_dev->modes = INDIO_DIRECT_MODE; indio_dev->info = &m62332_info; - ret = iio_map_array_register(indio_dev, client->dev.platform_data); + ret = iio_map_array_register(indio_dev, dev_get_platdata(&client->dev)); if (ret < 0) return ret; @@ -237,7 +217,7 @@ err: return ret; } -static int m62332_remove(struct i2c_client *client) +static void m62332_remove(struct i2c_client *client) { struct iio_dev *indio_dev = i2c_get_clientdata(client); @@ -245,8 +225,6 @@ static int m62332_remove(struct i2c_client *client) iio_map_array_unregister(indio_dev); m62332_set_value(indio_dev, 0, 0); m62332_set_value(indio_dev, 0, 1); - - return 0; } static const struct i2c_device_id m62332_id[] = { @@ -258,7 +236,7 @@ MODULE_DEVICE_TABLE(i2c, m62332_id); static struct i2c_driver m62332_driver = { .driver = { .name = "m62332", - .pm = M62332_PM_OPS, + .pm = pm_sleep_ptr(&m62332_pm_ops), }, .probe = m62332_probe, .remove = m62332_remove, |