[PATCH 15/21] backlight: Probe backlight devices on demand
From: Lee Jones <hidden>
Date: 2015-05-26 07:18:57
Also in:
linux-fbdev, lkml
From: Lee Jones <hidden>
Date: 2015-05-26 07:18:57
Also in:
linux-fbdev, lkml
On Mon, 25 May 2015, Tomeu Vizoso wrote:
When looking up a backlight device through its DT node, ensure that the corresponding device has been registered. Signed-off-by: Tomeu Vizoso <redacted> --- drivers/video/backlight/backlight.c | 3 +++ 1 file changed, 3 insertions(+)
Looks reasonable. Until anyone screams at me, applied thanks.
diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index bddc8b1..fe7833b 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c@@ -12,6 +12,7 @@ #include <linux/device.h> #include <linux/backlight.h> #include <linux/notifier.h> +#include <linux/of_platform.h> #include <linux/ctype.h> #include <linux/err.h> #include <linux/fb.h>@@ -559,6 +560,8 @@ struct backlight_device *of_find_backlight_by_node(struct device_node *node) { struct device *dev; + of_platform_device_ensure(node); + dev = class_find_device(backlight_class, NULL, node, of_parent_match); return dev ? to_backlight_device(dev) : NULL;
-- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org ? Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog