backlight: da9052: Fully initialize backlight_properties during probe

props is stack allocated and the fields that are not explcitly set
by the probe function need to be zeroed or we'll get undefined behaviour
(especially so power/blank states)!

Fixes: 6ede3d832a ("backlight: add driver for DA9052/53 PMIC v1")
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
Link: https://lore.kernel.org/r/20240220153532.76613-2-daniel.thompson@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Daniel Thompson 2024-02-20 15:35:24 +00:00 committed by Lee Jones
parent dc0ba74e51
commit 0285e9efae
1 changed files with 1 additions and 0 deletions

View File

@ -117,6 +117,7 @@ static int da9052_backlight_probe(struct platform_device *pdev)
wleds->led_reg = platform_get_device_id(pdev)->driver_data;
wleds->state = DA9052_WLEDS_OFF;
memset(&props, 0, sizeof(struct backlight_properties));
props.type = BACKLIGHT_RAW;
props.max_brightness = DA9052_MAX_BRIGHTNESS;