[PATCH 07/10] backlight: enable backlight in 88pm860x
Dmitry Torokhov
dmitry.torokhov at gmail.com
Sat Nov 14 00:02:57 EST 2009
On Fri, Nov 13, 2009 at 04:02:24AM -0500, Haojian Zhuang wrote:
> +
> +static int pm860x_backlight_set(struct backlight_device *bl, int brightness)
> +{
> + struct pm860x_backlight_data *data = bl_get_data(bl);
> + struct pm860x_chip *chip = data->chip;
> + unsigned char value;
> + int ret;
> +
> + if ((wled_a(data->port) < 0) || (wled_b(data->port) < 0)
> + || (wled_idc(data->port) < 0))
> + return -EINVAL;
> +
Do you even need to register blacklight device if data->port is negative?
--
Dmitry
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