From: Ping Cheng <pinglinux@gmail.com>
Date: Wed, 5 Oct 2011 06:51:49 +0000 (-0700)
Subject: Input: wacom - make LED status readable through sysfs
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=04c59abd3c053f9a42437d5db3af4383cf68659c;p=mv-sheeva.git

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 abe5920e2cd..a205055a4c5 100644
--- a/drivers/input/tablet/wacom_sys.c
+++ b/drivers/input/tablet/wacom_sys.c
@@ -584,7 +584,14 @@ static ssize_t wacom_led##SET_ID##_select_store(struct device *dev,	\
 {									\
 	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);