Input: wacom - make LED status readable through sysfs
Reviewed-by: Eduard Hasenleithner <eduard@hasenleithner.at>
Tested-by: Eduard Hasenleithner <eduard@hasenleithner.at>
Signed-off-by: Ping Cheng <pingc@wacom.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index abe5920..a205055 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -584,7 +584,14 @@
{ \
return wacom_led_select_store(dev, SET_ID, buf, count); \
} \
-static DEVICE_ATTR(status_led##SET_ID##_select, S_IWUSR, NULL, \
+static ssize_t wacom_led##SET_ID##_select_show(struct device *dev, \
+ struct device_attribute *attr, char *buf) \
+{ \
+ struct wacom *wacom = dev_get_drvdata(dev); \
+ return snprintf(buf, 2, "%d\n", wacom->led.select[SET_ID]); \
+} \
+static DEVICE_ATTR(status_led##SET_ID##_select, S_IWUSR | S_IRUSR, \
+ wacom_led##SET_ID##_select_show, \
wacom_led##SET_ID##_select_store)
DEVICE_LED_SELECT_ATTR(0);