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gpio-button-hotplug: add support for EV_SW

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Signed-off-by: Luka Perkov <luka@openwrt.org>

SVN-Revision: 37130
This commit is contained in:
Luka Perkov 2013-07-02 10:45:31 +00:00
parent c627ae768e
commit 6988613f7a
1 changed files with 21 additions and 7 deletions
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28
package/kernel/gpio-button-hotplug/src/gpio-button-hotplug.c
View file

@ -49,6 +49,7 @@ struct bh_priv {
struct bh_event {
const char *name;
unsigned int type;
char *action;
unsigned long seen;
@ -91,9 +92,7 @@ static struct bh_map button_map[] = {
BH_MAP(BTN_9, "BTN_9"),
BH_MAP(KEY_RESTART, "reset"),
BH_MAP(KEY_RFKILL, "rfkill"),
#ifdef KEY_WPS_BUTTON
BH_MAP(KEY_WPS_BUTTON, "wps"),
#endif /* KEY_WPS_BUTTON */
};
/* -------------------------------------------------------------------------*/
@ -140,7 +139,20 @@ static int button_hotplug_fill_event(struct bh_event *event)
if (ret)
return ret;
ret = bh_event_add_var(event, 0, "SUBSYSTEM=%s", "button");
char *s;
switch (event->type) {
case EV_KEY:
s = "button";
break;
case EV_SW:
s = "switch";
break;
default:
s = "button";
break;
}
ret = bh_event_add_var(event, 0, "SUBSYSTEM=%s", s);
if (ret)
return ret;
@ -190,8 +202,8 @@ static void button_hotplug_work(struct work_struct *work)
kfree(event);
}
static int button_hotplug_create_event(const char *name, unsigned long seen,
int pressed)
static int button_hotplug_create_event(const char *name, unsigned int type,
unsigned long seen, int pressed)
{
struct bh_event *event;
@ -203,6 +215,7 @@ static int button_hotplug_create_event(const char *name, unsigned long seen,
return -ENOMEM;
event->name = name;
event->type = type;
event->seen = seen;
event->action = pressed ? "pressed" : "released";
@ -225,6 +238,7 @@ static int button_get_index(unsigned int code)
return -1;
}
static void button_hotplug_event(struct gpio_keys_button_data *data,
unsigned int type, unsigned int code, int value)
{
@ -234,14 +248,14 @@ static void button_hotplug_event(struct gpio_keys_button_data *data,
BH_DBG("event type=%u, code=%u, value=%d\n", type, code, value);
if (type != EV_KEY)
if ((type != EV_KEY) && (type != EV_SW))
return;
btn = button_get_index(code);
if (btn < 0)
return;
button_hotplug_create_event(button_map[btn].name,
button_hotplug_create_event(button_map[btn].name, type,
(seen - priv->seen) / HZ, value);
priv->seen = seen;
}