diff options
Diffstat (limited to 'drivers/staging/dream/gpio_output.c')
-rw-r--r-- | drivers/staging/dream/gpio_output.c | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/drivers/staging/dream/gpio_output.c b/drivers/staging/dream/gpio_output.c deleted file mode 100644 index 6f8453c..0000000 --- a/drivers/staging/dream/gpio_output.c +++ /dev/null @@ -1,84 +0,0 @@ -/* drivers/input/misc/gpio_output.c - * - * Copyright (C) 2007 Google, Inc. - * - * This software is licensed under the terms of the GNU General Public - * License version 2, as published by the Free Software Foundation, and - * may be copied, distributed, and modified under those terms. - * - * 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/kernel.h> -#include <linux/gpio.h> -#include <linux/gpio_event.h> - -int gpio_event_output_event( - struct input_dev *input_dev, struct gpio_event_info *info, void **data, - unsigned int type, unsigned int code, int value) -{ - int i; - struct gpio_event_output_info *oi; - oi = container_of(info, struct gpio_event_output_info, info); - if (type != oi->type) - return 0; - if (!(oi->flags & GPIOEDF_ACTIVE_HIGH)) - value = !value; - for (i = 0; i < oi->keymap_size; i++) - if (code == oi->keymap[i].code) - gpio_set_value(oi->keymap[i].gpio, value); - return 0; -} - -int gpio_event_output_func( - struct input_dev *input_dev, struct gpio_event_info *info, void **data, - int func) -{ - int ret; - int i; - struct gpio_event_output_info *oi; - oi = container_of(info, struct gpio_event_output_info, info); - - if (func == GPIO_EVENT_FUNC_SUSPEND || func == GPIO_EVENT_FUNC_RESUME) - return 0; - - if (func == GPIO_EVENT_FUNC_INIT) { - int output_level = !(oi->flags & GPIOEDF_ACTIVE_HIGH); - for (i = 0; i < oi->keymap_size; i++) - input_set_capability(input_dev, oi->type, - oi->keymap[i].code); - - for (i = 0; i < oi->keymap_size; i++) { - ret = gpio_request(oi->keymap[i].gpio, - "gpio_event_output"); - if (ret) { - pr_err("gpio_event_output_func: gpio_request " - "failed for %d\n", oi->keymap[i].gpio); - goto err_gpio_request_failed; - } - ret = gpio_direction_output(oi->keymap[i].gpio, - output_level); - if (ret) { - pr_err("gpio_event_output_func: " - "gpio_direction_output failed for %d\n", - oi->keymap[i].gpio); - goto err_gpio_direction_output_failed; - } - } - return 0; - } - - ret = 0; - for (i = oi->keymap_size - 1; i >= 0; i--) { -err_gpio_direction_output_failed: - gpio_free(oi->keymap[i].gpio); -err_gpio_request_failed: - ; - } - return ret; -} - |