aboutsummaryrefslogtreecommitdiff
path: root/drivers/hid/hid-steelseries-srws1.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/hid/hid-steelseries-srws1.c')
-rw-r--r--drivers/hid/hid-steelseries-srws1.c65
1 files changed, 61 insertions, 4 deletions
diff --git a/drivers/hid/hid-steelseries-srws1.c b/drivers/hid/hid-steelseries-srws1.c
index a7386699ba7..365bc9ef1e7 100644
--- a/drivers/hid/hid-steelseries-srws1.c
+++ b/drivers/hid/hid-steelseries-srws1.c
@@ -136,6 +136,42 @@ static void steelseries_srws1_set_leds(struct hid_device *hdev, __u16 leds)
/* Note: LED change does not show on device until the device is read/polled */
}
+static void steelseries_srws1_led_all_set_brightness(struct led_classdev *led_cdev,
+ enum led_brightness value)
+{
+ struct device *dev = led_cdev->dev->parent;
+ struct hid_device *hid = container_of(dev, struct hid_device, dev);
+ struct steelseries_srws1_data *drv_data = hid_get_drvdata(hid);
+
+ if (!drv_data) {
+ hid_err(hid, "Device data not found.");
+ return;
+ }
+
+ if (value == LED_OFF)
+ drv_data->led_state = 0;
+ else
+ drv_data->led_state = (1 << (SRWS1_NUMBER_LEDS + 1)) - 1;
+
+ steelseries_srws1_set_leds(hid, drv_data->led_state);
+}
+
+static enum led_brightness steelseries_srws1_led_all_get_brightness(struct led_classdev *led_cdev)
+{
+ struct device *dev = led_cdev->dev->parent;
+ struct hid_device *hid = container_of(dev, struct hid_device, dev);
+ struct steelseries_srws1_data *drv_data;
+
+ drv_data = hid_get_drvdata(hid);
+
+ if (!drv_data) {
+ hid_err(hid, "Device data not found.");
+ return LED_OFF;
+ }
+
+ return (drv_data->led_state >> SRWS1_NUMBER_LEDS) ? LED_FULL : LED_OFF;
+}
+
static void steelseries_srws1_led_set_brightness(struct led_classdev *led_cdev,
enum led_brightness value)
{
@@ -219,13 +255,34 @@ static int steelseries_srws1_probe(struct hid_device *hdev,
/* register led subsystem */
drv_data->led_state = 0;
- for (i = 0; i < SRWS1_NUMBER_LEDS; i++)
+ for (i = 0; i < SRWS1_NUMBER_LEDS + 1; i++)
drv_data->led[i] = NULL;
steelseries_srws1_set_leds(hdev, 0);
- name_sz = strlen(hdev->uniq) + 15;
+ name_sz = strlen(hdev->uniq) + 16;
+
+ /* 'ALL', for setting all LEDs simultaneously */
+ led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL);
+ if (!led) {
+ hid_err(hdev, "can't allocate memory for LED ALL\n");
+ goto err_led;
+ }
+
+ name = (void *)(&led[1]);
+ snprintf(name, name_sz, "SRWS1::%s::RPMALL", hdev->uniq);
+ led->name = name;
+ led->brightness = 0;
+ led->max_brightness = 1;
+ led->brightness_get = steelseries_srws1_led_all_get_brightness;
+ led->brightness_set = steelseries_srws1_led_all_set_brightness;
+
+ drv_data->led[SRWS1_NUMBER_LEDS] = led;
+ ret = led_classdev_register(&hdev->dev, led);
+ if (ret)
+ goto err_led;
+ /* Each individual LED */
for (i = 0; i < SRWS1_NUMBER_LEDS; i++) {
led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL);
if (!led) {
@@ -248,7 +305,7 @@ static int steelseries_srws1_probe(struct hid_device *hdev,
hid_err(hdev, "failed to register LED %d. Aborting.\n", i);
err_led:
/* Deregister all LEDs (if any) */
- for (i = 0; i < SRWS1_NUMBER_LEDS; i++) {
+ for (i = 0; i < SRWS1_NUMBER_LEDS + 1; i++) {
led = drv_data->led[i];
drv_data->led[i] = NULL;
if (!led)
@@ -275,7 +332,7 @@ static void steelseries_srws1_remove(struct hid_device *hdev)
if (drv_data) {
/* Deregister LEDs (if any) */
- for (i = 0; i < SRWS1_NUMBER_LEDS; i++) {
+ for (i = 0; i < SRWS1_NUMBER_LEDS + 1; i++) {
led = drv_data->led[i];
drv_data->led[i] = NULL;
if (!led)