diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/tegra2.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/video/tegra2.c b/drivers/video/tegra2.c index a8d83d3708..429194b047 100644 --- a/drivers/video/tegra2.c +++ b/drivers/video/tegra2.c @@ -152,8 +152,10 @@ static void init_lcd_pwm(struct fdt_lcd *config) if ((long)(config->panel_timings[1] * 1000) > pre_delay) udelay((long)(config->panel_timings[1] * 1000) - pre_delay); - gpio_set_value(config->backlight_vdd.gpio, 1); - udelay(config->panel_timings[2] * 1000); + if (fdt_gpio_isvalid(&config->backlight_vdd)) { + gpio_set_value(config->backlight_vdd.gpio, 1); + udelay(config->panel_timings[2] * 1000); + } /* Enable PWM at 15/16 high, divider 1 */ pwfm_setup(config->pwfm, 1, 0xdf, 1); |