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path: root/drivers/staging/dream/gpio_output.c
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Diffstat (limited to 'drivers/staging/dream/gpio_output.c')
-rw-r--r--drivers/staging/dream/gpio_output.c84
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 6f8453c97bd..00000000000
--- 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;
-}
-