563dac970e
* Add fp_state attribute to common touch panel interface that will be used by touchscreen drivers to notify userspace when finger is in FOD area. This sysfs knob is used to implement UDFPS sensor sub-HAL Signed-off-by: Ivan Vecera <ivan@cera.cz> Change-Id: Ic5fb0cf389779854a1c3b13833bcc1137e67c817
39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
#include <linux/input/tp_common.h>
|
|
|
|
bool capacitive_keys_enabled;
|
|
struct kobject *touchpanel_kobj;
|
|
|
|
#define TS_ENABLE_FOPS(type) \
|
|
int tp_common_set_##type##_ops(struct tp_common_ops *ops) \
|
|
{ \
|
|
static struct kobj_attribute kattr = \
|
|
__ATTR(type, (S_IWUSR | S_IRUGO), NULL, NULL); \
|
|
kattr.show = ops->show; \
|
|
kattr.store = ops->store; \
|
|
return sysfs_create_file(touchpanel_kobj, &kattr.attr); \
|
|
}
|
|
|
|
#define TS_ENABLE_NOTIFY(type) \
|
|
void tp_common_notify_##type(void) \
|
|
{ \
|
|
sysfs_notify(touchpanel_kobj, NULL, __stringify(type)); \
|
|
}
|
|
|
|
TS_ENABLE_FOPS(capacitive_keys)
|
|
TS_ENABLE_FOPS(double_tap)
|
|
TS_ENABLE_FOPS(fod_status)
|
|
TS_ENABLE_FOPS(fp_state)
|
|
TS_ENABLE_FOPS(reversed_keys)
|
|
TS_ENABLE_NOTIFY(fp_state)
|
|
|
|
static int __init tp_common_init(void)
|
|
{
|
|
touchpanel_kobj = kobject_create_and_add("touchpanel", NULL);
|
|
if (!touchpanel_kobj)
|
|
return -ENOMEM;
|
|
|
|
return 0;
|
|
}
|
|
|
|
core_initcall(tp_common_init);
|