# \[PATCH 4/4\] input: wacom - make LED status readable through sysfs - From: Ping Cheng \ - Date: 2011-10-04 00:02:00 - List: linux-input - Page: https://ratatoskr.run/linux-input/2011/10/8917867 - Thread: https://ratatoskr.run/linux-input/2011/10/8917867/t.md ```text Signed-off-by: Ping Cheng --- 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 ```