input: wacom - make LED status readable through sysfs

PATCH In review Ping Cheng 1 participant 1 message Oct 4, 2011

Subsystems (2)

HID Input drivers

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Ping Cheng

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2011-10-04 00:02 UTC #0 lore raw

PATCH 4/4 input: wacom - make LED status readable through sysfs

Signed-off-by Ping Cheng <[email protected]>

---
 drivers/input/tablet/wacom_sys.c |    9 ++++++++-
 1 files changed, 8 insertions(+), 1 deletions(-)

drivers/input/tablet/wacom_sys.c +8 -1

index 6a61c8b..5a3895e 100644
@@ -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);

Signature · 1 line

1.7.6