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-rw-r--r--drivers/leds/flash/leds-aat1290.c2
-rw-r--r--drivers/leds/flash/leds-mt6360.c17
-rw-r--r--drivers/leds/flash/leds-qcom-flash.c10
3 files changed, 22 insertions, 7 deletions
diff --git a/drivers/leds/flash/leds-aat1290.c b/drivers/leds/flash/leds-aat1290.c
index 0195935a7c..e8f9dd2935 100644
--- a/drivers/leds/flash/leds-aat1290.c
+++ b/drivers/leds/flash/leds-aat1290.c
@@ -77,8 +77,6 @@ struct aat1290_led {
int *mm_current_scale;
/* device mode */
bool movie_mode;
- /* brightness cache */
- unsigned int torch_brightness;
};
static struct aat1290_led *fled_cdev_to_led(
diff --git a/drivers/leds/flash/leds-mt6360.c b/drivers/leds/flash/leds-mt6360.c
index a90de82f45..4c74f1cf01 100644
--- a/drivers/leds/flash/leds-mt6360.c
+++ b/drivers/leds/flash/leds-mt6360.c
@@ -241,11 +241,21 @@ static int mt6360_strobe_set(struct led_classdev_flash *fl_cdev, bool state)
u32 enable_mask = MT6360_STROBEN_MASK | MT6360_FLCSEN_MASK(led->led_no);
u32 val = state ? MT6360_FLCSEN_MASK(led->led_no) : 0;
u32 prev = priv->fled_strobe_used, curr;
- int ret;
+ int ret = 0;
mutex_lock(&priv->lock);
/*
+ * If the state of the upcoming change is the same as the current LED
+ * device state, then skip the subsequent code to avoid conflict
+ * with the flow of turning on LED torch mode in V4L2.
+ */
+ if (state == !!(BIT(led->led_no) & prev)) {
+ dev_info(lcdev->dev, "No change in strobe state [0x%x]\n", prev);
+ goto unlock;
+ }
+
+ /*
* Only one set of flash control logic, use the flag to avoid torch is
* currently used
*/
@@ -633,14 +643,17 @@ static int mt6360_init_isnk_properties(struct mt6360_led *led,
ret = fwnode_property_read_u32(child, "reg", &reg);
if (ret || reg > MT6360_LED_ISNK3 ||
- priv->leds_active & BIT(reg))
+ priv->leds_active & BIT(reg)) {
+ fwnode_handle_put(child);
return -EINVAL;
+ }
ret = fwnode_property_read_u32(child, "color", &color);
if (ret) {
dev_err(priv->dev,
"led %d, no color specified\n",
led->led_no);
+ fwnode_handle_put(child);
return ret;
}
diff --git a/drivers/leds/flash/leds-qcom-flash.c b/drivers/leds/flash/leds-qcom-flash.c
index 7c99a30391..bf70bf6fb0 100644
--- a/drivers/leds/flash/leds-qcom-flash.c
+++ b/drivers/leds/flash/leds-qcom-flash.c
@@ -505,6 +505,7 @@ qcom_flash_v4l2_init(struct device *dev, struct qcom_flash_led *led, struct fwno
struct qcom_flash_data *flash_data = led->flash_data;
struct v4l2_flash_config v4l2_cfg = { 0 };
struct led_flash_setting *intensity = &v4l2_cfg.intensity;
+ struct v4l2_flash *v4l2_flash;
if (!(led->flash.led_cdev.flags & LED_DEV_CAP_FLASH))
return 0;
@@ -523,9 +524,12 @@ qcom_flash_v4l2_init(struct device *dev, struct qcom_flash_led *led, struct fwno
LED_FAULT_OVER_TEMPERATURE |
LED_FAULT_TIMEOUT;
- flash_data->v4l2_flash[flash_data->leds_count] =
- v4l2_flash_init(dev, fwnode, &led->flash, &qcom_v4l2_flash_ops, &v4l2_cfg);
- return PTR_ERR_OR_ZERO(flash_data->v4l2_flash);
+ v4l2_flash = v4l2_flash_init(dev, fwnode, &led->flash, &qcom_v4l2_flash_ops, &v4l2_cfg);
+ if (IS_ERR(v4l2_flash))
+ return PTR_ERR(v4l2_flash);
+
+ flash_data->v4l2_flash[flash_data->leds_count] = v4l2_flash;
+ return 0;
}
# else
static int