drivers: backlight: Notify userspace on brightness changes
Taken from xiaomi changes in lisa-r-oss. This is required to notify brightness changes to xiaomi citsensorservice in userspace, which in turn updates our under-display light sensor to adjust accordingly. Suggested-by: Divyanshu-Modi <divyan.m05@gmail.com> Signed-off-by: Adithya R <gh0strider.2k18.reborn@gmail.com> Change-Id: If9696d3a10f4815b69c983b588da01e31cfa0bf2
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@ -126,6 +126,7 @@ static void backlight_generate_event(struct backlight_device *bd,
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envp[1] = NULL;
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kobject_uevent_env(&bd->dev.kobj, KOBJ_CHANGE, envp);
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sysfs_notify(&bd->dev.kobj, NULL, "actual_brightness");
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sysfs_notify(&bd->dev.kobj, NULL, "brightness");
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}
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static ssize_t bl_power_show(struct device *dev, struct device_attribute *attr,
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