On Fri, Feb 5, 2010 at 1:54 PM, Anton Vorontsov
<avoront...@ru.mvista.com> wrote:
> The driver wrongly sets default state for LEDs that don't specify
> default-state property.
>
> Currently the driver handles default state this way:
>
> memset(&led, 0, sizeof(led));
> for_each_child_of_node(np, child) {
> state = of_get_property(child, "default-state", NULL);
> if (state) {
> if (!strcmp(state, "keep"))
> led.default_state = LEDS_GPIO_DEFSTATE_KEEP;
> ...
> }
> ret = create_gpio_led(&led, ...);
> }
>
> Which means that all LEDs that do not specify default-state will
> inherit the last value of the default-state property, which is wrong.
>
> This patch fixes the issue by moving LED's template initialization
> into the loop body.
>
> Signed-off-by: Anton Vorontsov <avoront...@ru.mvista.com>
Acked-by: Grant Likely <grant.lik...@secretlab.ca>
Richard, I assume you'll pick this one up via your tree?
g.
> ---
> drivers/leds/leds-gpio.c | 3 +--
> 1 files changed, 1 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c
> index e5225d2..0823e26 100644
> --- a/drivers/leds/leds-gpio.c
> +++ b/drivers/leds/leds-gpio.c
> @@ -211,7 +211,6 @@ static int __devinit of_gpio_leds_probe(struct of_device
> *ofdev,
> const struct of_device_id *match)
> {
> struct device_node *np = ofdev->node, *child;
> - struct gpio_led led;
> struct gpio_led_of_platform_data *pdata;
> int count = 0, ret;
>
> @@ -226,8 +225,8 @@ static int __devinit of_gpio_leds_probe(struct of_device
> *ofdev,
> if (!pdata)
> return -ENOMEM;
>
> - memset(&led, 0, sizeof(led));
> for_each_child_of_node(np, child) {
> + struct gpio_led led = {};
> enum of_gpio_flags flags;
> const char *state;
>
> --
> 1.6.5.7
> --
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--
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
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