Hi Dan,
Thanks for the update.
On 8/29/19 9:18 PM, Dan Murphy wrote:
> Fix the error handling for the led-max-microamp property.
> Need to check if the property is present and then if it is
> retrieve the setting and its max boundary
>
> Reported-by: Pavel Machek <pavel@xxxxxx>
> Signed-off-by: Dan Murphy <dmurphy@xxxxxx>
> ---
> drivers/leds/leds-lm3532.c | 14 +++++++++-----
> 1 file changed, 9 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/leds/leds-lm3532.c b/drivers/leds/leds-lm3532.c
> index c5cfd8e3f15f..13b4265fb85a 100644
> --- a/drivers/leds/leds-lm3532.c
> +++ b/drivers/leds/leds-lm3532.c
> @@ -601,11 +601,15 @@ static int lm3532_parse_node(struct lm3532_data *priv)
> goto child_out;
> }
>
> - ret = fwnode_property_read_u32(child, "led-max-microamp",
> - &led->full_scale_current);
> -
> - if (led->full_scale_current > LM3532_FS_CURR_MAX)
> - led->full_scale_current = LM3532_FS_CURR_MAX;
> + if (fwnode_property_present(child, "led-max-microamp")) {
> + if (fwnode_property_read_u32(child, "led-max-microamp",
> + &led->full_scale_current))
> + dev_err(&priv->client->dev,
> + "Failed getting led-max-microamp\n");
> +
> + if (led->full_scale_current > LM3532_FS_CURR_MAX)
> + led->full_scale_current = LM3532_FS_CURR_MAX;
One more nit: we have min() macro in kernel.h for such things.
> + }
>
> if (led->mode == LM3532_BL_MODE_ALS) {
> led->mode = LM3532_ALS_CTRL;
>
--
Best regards,
Jacek Anaszewski
