sysfs.c (1da177e4c3f41524e886b7f1b8a0c1fc7321cac2) sysfs.c (74880c063b06efd103c924abfe19d9d8fa4864c4)
1/*
2 * drivers/base/power/sysfs.c - sysfs entries for device PM
3 */
4
5#include <linux/device.h>
6#include "power.h"
7
8

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19 * state (via its driver's ->suspend() method).
20 * If the device is currently in a low-power state, and the value is 0,
21 * the device is powered back on (via the ->resume() method).
22 * If the device is in a low-power state, and a different low-power state
23 * is requested, the device is first resumed, then suspended into the new
24 * low-power state.
25 */
26
1/*
2 * drivers/base/power/sysfs.c - sysfs entries for device PM
3 */
4
5#include <linux/device.h>
6#include "power.h"
7
8

--- 10 unchanged lines hidden (view full) ---

19 * state (via its driver's ->suspend() method).
20 * If the device is currently in a low-power state, and the value is 0,
21 * the device is powered back on (via the ->resume() method).
22 * If the device is in a low-power state, and a different low-power state
23 * is requested, the device is first resumed, then suspended into the new
24 * low-power state.
25 */
26
27static ssize_t state_show(struct device * dev, char * buf)
27static ssize_t state_show(struct device * dev, struct device_attribute *attr, char * buf)
28{
29 return sprintf(buf, "%u\n", dev->power.power_state);
30}
31
28{
29 return sprintf(buf, "%u\n", dev->power.power_state);
30}
31
32static ssize_t state_store(struct device * dev, const char * buf, size_t n)
32static ssize_t state_store(struct device * dev, struct device_attribute *attr, const char * buf, size_t n)
33{
34 u32 state;
35 char * rest;
36 int error = 0;
37
38 state = simple_strtoul(buf, &rest, 10);
39 if (*rest)
40 return -EINVAL;

--- 28 unchanged lines hidden --- 		33{
34 u32 state;
35 char * rest;
36 int error = 0;
37
38 state = simple_strtoul(buf, &rest, 10);
39 if (*rest)
40 return -EINVAL;

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