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| author |   Ping Cheng <pinglinux@gmail.com> | 2011-10-04 23:51:49 -0700 |
|---|---|---|
| committer |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-10-05 00:26:24 -0700 |
| commit | 04c59abd3c053f9a42437d5db3af4383cf68659c (patch) | |
| tree | c0445aec0cd582120f9c5530c96fe39656ce824e /drivers/input | |
| parent | Input: wacom - add LED support for Cintiq 21ux2 (diff) | |
| download | linux-dev-04c59abd3c053f9a42437d5db3af4383cf68659c.tar.xz linux-dev-04c59abd3c053f9a42437d5db3af4383cf68659c.zip | |
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>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | 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 abe5920e2cdb..a205055a4c51 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); |