[PATCH 4/4] input: wacom - make LED status readable through sysfs
From: Ping Cheng <hidden>
Date: 2011-10-04 00:02:00
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
Signed-off-by: Ping Cheng <redacted> --- drivers/input/tablet/wacom_sys.c | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c
index 6a61c8b..5a3895e 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);
--
1.7.6