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[modeseting-101] add connected field to sysfs

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Maarten Maathuis 2008-07-03 01:05:07 +02:00
parent 94cf07bff1
commit 02b30739f7
1 changed files with 14 additions and 0 deletions
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14
linux-core/drm_sysfs.c
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@ -176,6 +176,19 @@ static ssize_t dpms_show(struct device *device,
return snprintf(buf, PAGE_SIZE, "%s", drm_get_dpms_name((int)dpms_status));
}
static ssize_t connected_show(struct device *device,
struct device_attribute *attr,
char *buf)
{
struct drm_connector *connector = container_of(device, struct drm_connector, kdev);
struct drm_device *dev = connector->dev;
if (connector->encoder)
return snprintf(buf, PAGE_SIZE, "connected");
else
return snprintf(buf, PAGE_SIZE, "disconnected");
}
static ssize_t edid_show(struct kobject *kobj, struct bin_attribute *attr,
char *buf, loff_t off, size_t count)
{
@ -221,6 +234,7 @@ static ssize_t modes_show(struct device *device,
static struct device_attribute connector_attrs[] = {
__ATTR_RO(status),
__ATTR_RO(connected),
__ATTR_RO(dpms),
__ATTR_RO(modes),
};