diff options
Diffstat (limited to 'drivers/gpio/gpio-lp873x.c')
| -rw-r--r-- | drivers/gpio/gpio-lp873x.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/drivers/gpio/gpio-lp873x.c b/drivers/gpio/gpio-lp873x.c index df0ad2cef0d2..5376708a81bf 100644 --- a/drivers/gpio/gpio-lp873x.c +++ b/drivers/gpio/gpio-lp873x.c @@ -1,20 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2016 Texas Instruments Incorporated - http://www.ti.com/ * Keerthy <j-keerthy@ti.com> * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether expressed or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License version 2 for more details. - * * Based on the TPS65218 driver */ -#include <linux/gpio.h> +#include <linux/gpio/driver.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/regmap.h> @@ -33,7 +25,7 @@ static int lp873x_gpio_get_direction(struct gpio_chip *chip, unsigned int offset) { /* This device is output only */ - return 0; + return GPIO_LINE_DIRECTION_OUT; } static int lp873x_gpio_direction_input(struct gpio_chip *chip, @@ -66,14 +58,14 @@ static int lp873x_gpio_get(struct gpio_chip *chip, unsigned int offset) return val & BIT(offset * BITS_PER_GPO); } -static void lp873x_gpio_set(struct gpio_chip *chip, unsigned int offset, - int value) +static int lp873x_gpio_set(struct gpio_chip *chip, unsigned int offset, + int value) { struct lp873x_gpio *gpio = gpiochip_get_data(chip); - regmap_update_bits(gpio->lp873->regmap, LP873X_REG_GPO_CTRL, - BIT(offset * BITS_PER_GPO), - value ? BIT(offset * BITS_PER_GPO) : 0); + return regmap_update_bits(gpio->lp873->regmap, LP873X_REG_GPO_CTRL, + BIT(offset * BITS_PER_GPO), + value ? BIT(offset * BITS_PER_GPO) : 0); } static int lp873x_gpio_request(struct gpio_chip *gc, unsigned int offset) |