On Wednesday, March 20, 2013 3:08 AM, Simon Guinot wrote:
>
> This patch fixes a regression introduced by commit 31c3dc7488
> ("leds: leds-ns2: use gpio_request_one").
>
> gpio_request_one is called with a wrong flag value: The initial GPIO
> state is used to configure the direction (bit 0) instead of the value
> (bit 1). As a result, if the initial GPIO state is non null then the
> GPIO will be configured as input.
>
> This patch fixes the issue by using the dedicated macros
> GPIOF_OUT_INIT_{LOW,HIGH} to configure the initial GPIO value.
>
> Signed-off-by: Simon Guinot <simon.guinot@xxxxxxxxxxxx>
Hi Simon Guinot,
The same patch was already merged to Bryan's git.
Thus, this patch is not necessary.
(http://www.spinics.net/lists/linux-leds/msg00756.html)
Best regards,
Jingoo Han
> ---
> drivers/leds/leds-ns2.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/leds/leds-ns2.c b/drivers/leds/leds-ns2.c
> index 81af8e9..70137b1 100644
> --- a/drivers/leds/leds-ns2.c
> +++ b/drivers/leds/leds-ns2.c
> @@ -193,7 +193,8 @@ create_ns2_led(struct platform_device *pdev, struct ns2_led_data *led_dat,
> enum ns2_led_modes mode;
>
> ret = devm_gpio_request_one(&pdev->dev, template->cmd,
> - GPIOF_DIR_OUT | gpio_get_value(template->cmd),
> + gpio_get_value(template->cmd) ?
> + GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW,
> template->name);
> if (ret) {
> dev_err(&pdev->dev, "%s: failed to setup command GPIO\n",
> @@ -202,7 +203,8 @@ create_ns2_led(struct platform_device *pdev, struct ns2_led_data *led_dat,
> }
>
> ret = devm_gpio_request_one(&pdev->dev, template->slow,
> - GPIOF_DIR_OUT | gpio_get_value(template->slow),
> + gpio_get_value(template->slow) ?
> + GPIOF_OUT_INIT_HIGH : GPIOF_OUT_INIT_LOW,
> template->name);
> if (ret) {
> dev_err(&pdev->dev, "%s: failed to setup slow GPIO\n",
> --
> 1.7.10.4
>
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