diff options
| -rw-r--r-- | Documentation/ABI/testing/sysfs-driver-hid-thingm | 8 | ||||
| -rw-r--r-- | drivers/hid/hid-thingm.c | 41 |
2 files changed, 0 insertions, 49 deletions
diff --git a/Documentation/ABI/testing/sysfs-driver-hid-thingm b/Documentation/ABI/testing/sysfs-driver-hid-thingm index fda6185b9292..735c5cb0bb07 100644 --- a/Documentation/ABI/testing/sysfs-driver-hid-thingm +++ b/Documentation/ABI/testing/sysfs-driver-hid-thingm @@ -6,11 +6,3 @@ Description: The ThingM blink1 is an USB RGB LED. The color notation is color. Write the 24-bit hexadecimal color to change the current LED color. The default color is full white (0xFFFFFF). For instance, set the color to green with: echo 00FF00 > rgb - -What: /sys/class/leds/blink1::<serial>/fade -Date: January 2013 -Contact: Vivien Didelot <vivien.didelot@savoirfairelinux.com> -Description: This attribute allows to set a fade time in milliseconds for - the next color change. Read the attribute to know the current - fade time. The default value is set to 0 (no fade time). For - instance, set a fade time of 2 seconds with: echo 2000 > fade diff --git a/drivers/hid/hid-thingm.c b/drivers/hid/hid-thingm.c index 7e376b855632..e3b6647e00ce 100644 --- a/drivers/hid/hid-thingm.c +++ b/drivers/hid/hid-thingm.c @@ -26,14 +26,12 @@ * @hdev: HID device. * @led_cdev: LED class instance. * @rgb: 8-bit per channel RGB notation. - * @fade: fade time in hundredths of a second. * @brightness: brightness coefficient. */ struct blink1_data { struct hid_device *hdev; struct led_classdev led_cdev; u32 rgb; - u16 fade; u8 brightness; }; @@ -64,12 +62,6 @@ static int blink1_update_color(struct blink1_data *data) buf[4] = DIV_ROUND_CLOSEST(blink1_rgb_to_b(data->rgb), coef); } - if (data->fade) { - buf[1] = 'c'; - buf[5] = (data->fade & 0xFF00) >> 8; - buf[6] = (data->fade & 0x00FF); - } - return blink1_send_command(data, buf); } @@ -121,42 +113,9 @@ static ssize_t blink1_store_rgb(struct device *dev, static DEVICE_ATTR(rgb, S_IRUGO | S_IWUSR, blink1_show_rgb, blink1_store_rgb); -static ssize_t blink1_show_fade(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct blink1_data *data = dev_get_drvdata(dev->parent); - - return sprintf(buf, "%d\n", data->fade * 10); -} - -static ssize_t blink1_store_fade(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - struct blink1_data *data = dev_get_drvdata(dev->parent); - long unsigned int fade; - int ret; - - ret = kstrtoul(buf, 10, &fade); - if (ret) - return ret; - - /* blink(1) accepts 16-bit fade time, number of 10ms ticks */ - fade = DIV_ROUND_CLOSEST(fade, 10); - if (fade > 65535) - return -EINVAL; - - data->fade = fade; - - return count; -} - -static DEVICE_ATTR(fade, S_IRUGO | S_IWUSR, - blink1_show_fade, blink1_store_fade); - static const struct attribute_group blink1_sysfs_group = { .attrs = (struct attribute *[]) { &dev_attr_rgb.attr, - &dev_attr_fade.attr, NULL }, }; |