diff options
Diffstat (limited to 'drivers/input/joystick/as5011.c')
| -rw-r--r-- | drivers/input/joystick/as5011.c | 50 |
1 files changed, 16 insertions, 34 deletions
diff --git a/drivers/input/joystick/as5011.c b/drivers/input/joystick/as5011.c index f051993c568e..49a0dfbbeb49 100644 --- a/drivers/input/joystick/as5011.c +++ b/drivers/input/joystick/as5011.c @@ -1,21 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) 2010, 2011 Fabien Marteau <fabien.marteau@armadeus.com> * Sponsored by ARMadeus Systems * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * * Driver for Austria Microsystems joysticks AS5011 * * TODO: @@ -26,7 +13,7 @@ #include <linux/i2c.h> #include <linux/interrupt.h> #include <linux/input.h> -#include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/delay.h> #include <linux/input/as5011.h> #include <linux/slab.h> @@ -74,7 +61,7 @@ MODULE_LICENSE("GPL"); struct as5011_device { struct input_dev *input_dev; struct i2c_client *i2c_client; - unsigned int button_gpio; + struct gpio_desc *button_gpiod; unsigned int button_irq; unsigned int axis_irq; }; @@ -127,7 +114,7 @@ static int as5011_i2c_read(struct i2c_client *client, static irqreturn_t as5011_button_interrupt(int irq, void *dev_id) { struct as5011_device *as5011 = dev_id; - int val = gpio_get_value_cansleep(as5011->button_gpio); + int val = gpiod_get_value_cansleep(as5011->button_gpiod); input_report_key(as5011->input_dev, BTN_JOYSTICK, !val); input_sync(as5011->input_dev); @@ -225,8 +212,7 @@ static int as5011_configure_chip(struct as5011_device *as5011, return 0; } -static int as5011_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static int as5011_probe(struct i2c_client *client) { const struct as5011_platform_data *plat_data; struct as5011_device *as5011; @@ -251,7 +237,7 @@ static int as5011_probe(struct i2c_client *client, return -ENODEV; } - as5011 = kmalloc(sizeof(struct as5011_device), GFP_KERNEL); + as5011 = kmalloc(sizeof(*as5011), GFP_KERNEL); input_dev = input_allocate_device(); if (!as5011 || !input_dev) { dev_err(&client->dev, @@ -262,7 +248,6 @@ static int as5011_probe(struct i2c_client *client, as5011->i2c_client = client; as5011->input_dev = input_dev; - as5011->button_gpio = plat_data->button_gpio; as5011->axis_irq = plat_data->axis_irq; input_dev->name = "Austria Microsystem as5011 joystick"; @@ -276,18 +261,20 @@ static int as5011_probe(struct i2c_client *client, input_set_abs_params(as5011->input_dev, ABS_Y, AS5011_MIN_AXIS, AS5011_MAX_AXIS, AS5011_FUZZ, AS5011_FLAT); - error = gpio_request(as5011->button_gpio, "AS5011 button"); - if (error < 0) { - dev_err(&client->dev, "Failed to request button gpio\n"); + as5011->button_gpiod = devm_gpiod_get(&client->dev, NULL, GPIOD_IN); + if (IS_ERR(as5011->button_gpiod)) { + error = PTR_ERR(as5011->button_gpiod); + dev_err(&client->dev, "Failed to request button GPIO\n"); goto err_free_mem; } + gpiod_set_consumer_name(as5011->button_gpiod, "AS5011 button"); - irq = gpio_to_irq(as5011->button_gpio); + irq = gpiod_to_irq(as5011->button_gpiod); if (irq < 0) { dev_err(&client->dev, "Failed to get irq number for button gpio\n"); error = irq; - goto err_free_button_gpio; + goto err_free_mem; } as5011->button_irq = irq; @@ -300,7 +287,7 @@ static int as5011_probe(struct i2c_client *client, if (error < 0) { dev_err(&client->dev, "Can't allocate button irq %d\n", as5011->button_irq); - goto err_free_button_gpio; + goto err_free_mem; } error = as5011_configure_chip(as5011, plat_data); @@ -331,8 +318,6 @@ err_free_axis_irq: free_irq(as5011->axis_irq, as5011); err_free_button_irq: free_irq(as5011->button_irq, as5011); -err_free_button_gpio: - gpio_free(as5011->button_gpio); err_free_mem: input_free_device(input_dev); kfree(as5011); @@ -340,22 +325,19 @@ err_free_mem: return error; } -static int as5011_remove(struct i2c_client *client) +static void as5011_remove(struct i2c_client *client) { struct as5011_device *as5011 = i2c_get_clientdata(client); free_irq(as5011->axis_irq, as5011); free_irq(as5011->button_irq, as5011); - gpio_free(as5011->button_gpio); input_unregister_device(as5011->input_dev); kfree(as5011); - - return 0; } static const struct i2c_device_id as5011_id[] = { - { MODULE_DEVICE_ALIAS, 0 }, + { MODULE_DEVICE_ALIAS }, { } }; MODULE_DEVICE_TABLE(i2c, as5011_id); |