diff options
| author | Mike Lockwood <lockwood@android.com> | 2011-12-02 13:59:35 +0800 |
|---|---|---|
| committer | John Stultz <john.stultz@linaro.org> | 2012-02-14 14:28:18 -0800 |
| commit | ccdf5e0ad69e480443a869019ed07c9383643bd1 (patch) | |
| tree | 07a7a4a1754b87c7080efb55eaed169f6fad1dc9 /include | |
| parent | 20df980331b3d1ee9527093ff635bd7faf20caa5 (diff) | |
switch: switch class and GPIO drivers.
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switch: Export symbol switch_set_state.
Signed-off-by: Mike Lockwood <lockwood@android.com>
switch: gpio: Don't call request_irq with interrupts disabled
Signed-off-by: Arve Hjønnevåg <arve@android.com>
switch: Use device_create instead of device_create_drvdata.
device_create_drvdata is obsolete.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
switch_gpio: Add missing #include <linux/interrupt.h>
Change-Id: I6c397e41bbe1457162cc69e31a29db5d9f76fccb
Signed-off-by: Mike Lockwood <lockwood@android.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/switch.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/include/linux/switch.h b/include/linux/switch.h new file mode 100644 index 00000000000..3e4c748e343 --- /dev/null +++ b/include/linux/switch.h @@ -0,0 +1,53 @@ +/* + * Switch class driver + * + * Copyright (C) 2008 Google, Inc. + * Author: Mike Lockwood <lockwood@android.com> + * + * 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. + * +*/ + +#ifndef __LINUX_SWITCH_H__ +#define __LINUX_SWITCH_H__ + +struct switch_dev { + const char *name; + struct device *dev; + int index; + int state; + + ssize_t (*print_name)(struct switch_dev *sdev, char *buf); + ssize_t (*print_state)(struct switch_dev *sdev, char *buf); +}; + +struct gpio_switch_platform_data { + const char *name; + unsigned gpio; + + /* if NULL, switch_dev.name will be printed */ + const char *name_on; + const char *name_off; + /* if NULL, "0" or "1" will be printed */ + const char *state_on; + const char *state_off; +}; + +extern int switch_dev_register(struct switch_dev *sdev); +extern void switch_dev_unregister(struct switch_dev *sdev); + +static inline int switch_get_state(struct switch_dev *sdev) +{ + return sdev->state; +} + +extern void switch_set_state(struct switch_dev *sdev, int state); + +#endif /* __LINUX_SWITCH_H__ */ |