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authorLiam Girdwood <lrg@slimlogic.co.uk>2010-11-03 10:11:27 -0400
committerLiam Girdwood <lrg@slimlogic.co.uk>2010-11-03 10:11:27 -0400
commit8f987768eb99631374f4ab0bb19cd062baf1397d (patch)
treeb89aa5c207f7ba6a688f45657424b937f17ceb8a /include/linux/gpio-fan.h
parent63f7526f26f0a9291ac3f7a986aa18ebfb61ec19 (diff)
parentc8ddb2713c624f432fa5fe3c7ecffcdda46ea0d4 (diff)
Merge commit 'v2.6.37-rc1' into for-2.6.37
Diffstat (limited to 'include/linux/gpio-fan.h')
-rw-r--r--include/linux/gpio-fan.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/include/linux/gpio-fan.h b/include/linux/gpio-fan.h
new file mode 100644
index 000000000000..096659169215
--- /dev/null
+++ b/include/linux/gpio-fan.h
@@ -0,0 +1,36 @@
1/*
2 * include/linux/gpio-fan.h
3 *
4 * Platform data structure for GPIO fan driver
5 *
6 * This file is licensed under the terms of the GNU General Public
7 * License version 2. This program is licensed "as is" without any
8 * warranty of any kind, whether express or implied.
9 */
10
11#ifndef __LINUX_GPIO_FAN_H
12#define __LINUX_GPIO_FAN_H
13
14struct gpio_fan_alarm {
15 unsigned gpio;
16 unsigned active_low;
17};
18
19struct gpio_fan_speed {
20 int rpm;
21 int ctrl_val;
22};
23
24struct gpio_fan_platform_data {
25 int num_ctrl;
26 unsigned *ctrl; /* fan control GPIOs. */
27 struct gpio_fan_alarm *alarm; /* fan alarm GPIO. */
28 /*
29 * Speed conversion array: rpm from/to GPIO bit field.
30 * This array _must_ be sorted in ascending rpm order.
31 */
32 int num_speed;
33 struct gpio_fan_speed *speed;
34};
35
36#endif /* __LINUX_GPIO_FAN_H */