diff options
| -rw-r--r-- | drivers/video/tegra/of_lcd_device_data/tegratab_lcd_dev_data.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/drivers/video/tegra/of_lcd_device_data/tegratab_lcd_dev_data.c b/drivers/video/tegra/of_lcd_device_data/tegratab_lcd_dev_data.c index f8c2669903cc..18b73fb59244 100644 --- a/drivers/video/tegra/of_lcd_device_data/tegratab_lcd_dev_data.c +++ b/drivers/video/tegra/of_lcd_device_data/tegratab_lcd_dev_data.c @@ -176,12 +176,15 @@ static int lgd_wxga_7_0_postpoweron(void) { int err = 0; - /* - * MIPI to VLED > 200ms, based on the spec - * init_cmd cares 20ms delay already. - */ - msleep(180); if (vdd_lcd_bl_en) { + /*If rail is already enabled, we don't need delay*/ + /* + * MIPI to VLED > 200ms, based on the spec + * init_cmd cares 20ms delay already. + */ + if (!regulator_is_enabled(vdd_lcd_bl_en)) + msleep(180); + err = regulator_enable(vdd_lcd_bl_en); if (err < 0) { pr_err("%s: vdd_lcd_bl_en en failed\n", __func__); |