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path: root/drivers/leds/leds-cht-wcove.c
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Diffstat (limited to 'drivers/leds/leds-cht-wcove.c')
-rw-r--r--drivers/leds/leds-cht-wcove.c42
1 files changed, 38 insertions, 4 deletions
diff --git a/drivers/leds/leds-cht-wcove.c b/drivers/leds/leds-cht-wcove.c
index 166b140e132a..36fb4c2c3c13 100644
--- a/drivers/leds/leds-cht-wcove.c
+++ b/drivers/leds/leds-cht-wcove.c
@@ -217,9 +217,10 @@ static int cht_wc_leds_find_freq(unsigned long period)
return -1;
}
-static int cht_wc_leds_blink_set(struct led_classdev *cdev,
- unsigned long *delay_on,
- unsigned long *delay_off)
+static int cht_wc_leds_set_effect(struct led_classdev *cdev,
+ unsigned long *delay_on,
+ unsigned long *delay_off,
+ u8 effect)
{
struct cht_wc_led *led = container_of(cdev, struct cht_wc_led, cdev);
unsigned int ctrl;
@@ -246,7 +247,7 @@ static int cht_wc_leds_blink_set(struct led_classdev *cdev,
}
ret = regmap_update_bits(led->regmap, led->regs->fsm,
- CHT_WC_LED_EFF_MASK, CHT_WC_LED_EFF_BLINKING);
+ CHT_WC_LED_EFF_MASK, effect);
if (ret < 0)
dev_err(cdev->dev, "Failed to update LED FSM reg: %d\n", ret);
@@ -265,6 +266,37 @@ done:
return ret;
}
+static int cht_wc_leds_blink_set(struct led_classdev *cdev,
+ unsigned long *delay_on,
+ unsigned long *delay_off)
+{
+ return cht_wc_leds_set_effect(cdev, delay_on, delay_off, CHT_WC_LED_EFF_BLINKING);
+}
+
+static int cht_wc_leds_pattern_set(struct led_classdev *cdev,
+ struct led_pattern *pattern,
+ u32 len, int repeat)
+{
+ unsigned long delay_off, delay_on;
+
+ if (repeat > 0 || len != 2 ||
+ pattern[0].brightness != 0 || pattern[1].brightness != 1 ||
+ pattern[0].delta_t != pattern[1].delta_t ||
+ (pattern[0].delta_t != 250 && pattern[0].delta_t != 500 &&
+ pattern[0].delta_t != 1000 && pattern[0].delta_t != 2000))
+ return -EINVAL;
+
+ delay_off = pattern[0].delta_t;
+ delay_on = pattern[1].delta_t;
+
+ return cht_wc_leds_set_effect(cdev, &delay_on, &delay_off, CHT_WC_LED_EFF_BREATHING);
+}
+
+static int cht_wc_leds_pattern_clear(struct led_classdev *cdev)
+{
+ return cht_wc_leds_brightness_set(cdev, 0);
+}
+
static int cht_wc_led_save_regs(struct cht_wc_led *led,
struct cht_wc_led_saved_regs *saved_regs)
{
@@ -329,6 +361,8 @@ static int cht_wc_leds_probe(struct platform_device *pdev)
led->cdev.brightness_set_blocking = cht_wc_leds_brightness_set;
led->cdev.brightness_get = cht_wc_leds_brightness_get;
led->cdev.blink_set = cht_wc_leds_blink_set;
+ led->cdev.pattern_set = cht_wc_leds_pattern_set;
+ led->cdev.pattern_clear = cht_wc_leds_pattern_clear;
led->cdev.max_brightness = 255;
ret = led_classdev_register(&pdev->dev, &led->cdev);