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HID: wacom - Clean up of sysfs

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changed to scnprintf(buf, PAGE_SIZE, ... ) as suggested in sysfs.txt
for show functions

Signed-off-by: Paul A. Tessier <phernost@gmail.com>
Signed-Off-by: Ping Cheng <pingc@wacom.com>
Tested-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
This commit is contained in:
Ping Cheng 2014-09-10 12:40:30 -07:00 committed by Jiri Kosina
parent e0984bc376
commit 37449adc58
1 changed files with 10 additions and 2 deletions
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12
drivers/hid/wacom_sys.c
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@ -605,7 +605,8 @@ static ssize_t wacom_led##SET_ID##_select_show(struct device *dev, \
{ \
struct hid_device *hdev = container_of(dev, struct hid_device, dev);\
struct wacom *wacom = hid_get_drvdata(hdev); \
return snprintf(buf, 2, "%d\n", wacom->led.select[SET_ID]); \
return scnprintf(buf, PAGE_SIZE, "%d\n", \
wacom->led.select[SET_ID]); \
} \
static DEVICE_ATTR(status_led##SET_ID##_select, DEV_ATTR_RW_PERM, \
wacom_led##SET_ID##_select_show, \
@ -644,8 +645,15 @@ static ssize_t wacom_##name##_luminance_store(struct device *dev, \
return wacom_luminance_store(wacom, &wacom->led.field, \
buf, count); \
} \
static ssize_t wacom_##name##_luminance_show(struct device *dev, \
struct device_attribute *attr, char *buf) \
{ \
struct wacom *wacom = dev_get_drvdata(dev); \
return scnprintf(buf, PAGE_SIZE, "%d\n", wacom->led.field); \
} \
static DEVICE_ATTR(name##_luminance, DEV_ATTR_RW_PERM, \
NULL, wacom_##name##_luminance_store)
wacom_##name##_luminance_show, \
wacom_##name##_luminance_store)
DEVICE_LUMINANCE_ATTR(status0, llv);
DEVICE_LUMINANCE_ATTR(status1, hlv);