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Merge "USB: android: Provide sysfs file for enabling remote wakeup capability" into msm-3.0

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Linux Build Service Account
2011-12-09 02:43:11 -08:00
committed by QuIC Gerrit Code Review
parent f7aca09a83 352396c43a
commit 33d240708d
1 changed files with 29 additions and 0 deletions
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29
drivers/usb/gadget/android.c
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@@ -1090,6 +1090,32 @@ static int android_enable_function(struct android_dev *dev, char *name)
/*-------------------------------------------------------------------------*/
/* /sys/class/android_usb/android%d/ interface */
static ssize_t remote_wakeup_show(struct device *pdev,
struct device_attribute *attr, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d\n",
!!(android_config_driver.bmAttributes &
USB_CONFIG_ATT_WAKEUP));
}
static ssize_t remote_wakeup_store(struct device *pdev,
struct device_attribute *attr, const char *buff, size_t size)
{
int enable = 0;
sscanf(buff, "%d", &enable);
pr_debug("android_usb: %s remote wakeup\n",
enable ? "enabling" : "disabling");
if (enable)
android_config_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
else
android_config_driver.bmAttributes &= ~USB_CONFIG_ATT_WAKEUP;
return size;
}
static ssize_t
functions_show(struct device *pdev, struct device_attribute *attr, char *buf)
{
@@ -1245,6 +1271,8 @@ DESCRIPTOR_STRING_ATTR(iSerial, serial_string)
static DEVICE_ATTR(functions, S_IRUGO | S_IWUSR, functions_show, functions_store);
static DEVICE_ATTR(enable, S_IRUGO | S_IWUSR, enable_show, enable_store);
static DEVICE_ATTR(state, S_IRUGO, state_show, NULL);
static DEVICE_ATTR(remote_wakeup, S_IRUGO | S_IWUSR,
remote_wakeup_show, remote_wakeup_store);
static struct device_attribute *android_usb_attributes[] = {
&dev_attr_idVendor,
@@ -1259,6 +1287,7 @@ static struct device_attribute *android_usb_attributes[] = {
&dev_attr_functions,
&dev_attr_enable,
&dev_attr_state,
&dev_attr_remote_wakeup,
NULL
};