On Wed, Sep 14, 2011 at 8:01 AM, Tushar Behera <tushar.behera@xxxxxxxxxx> wrote: ... > +static void lcd_hv070wsa_set_power(struct plat_lcd_data *pd, unsigned int power) > +{ > + int gpio = EXYNOS4_GPE3(4); > + > + gpio_request(gpio, "GPE3_4"); > + gpio_direction_output(gpio, power); You should check for returned errors for these functions. Regards, Fabio Estevam -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html