Delays for the Samsung LCD are greater than needed. These values were extracted from a datasheet.
Signed-off-by: Petr Cvek <[email protected]> --- arch/arm/mach-pxa/magician.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c index d78fc3a..14d1f55 100644 --- a/arch/arm/mach-pxa/magician.c +++ b/arch/arm/mach-pxa/magician.c @@ -366,21 +366,19 @@ static void samsung_lcd_power(int on, struct fb_var_screeninfo *si) gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 1); else gpio_set_value(EGPIO_MAGICIAN_LCD_POWER, 1); - mdelay(10); + mdelay(6); gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 1); - mdelay(10); + mdelay(6); /* Avdd -> Voff >5ms */ gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 1); - mdelay(30); + mdelay(16); /* Voff -> Von >(5+10)ms */ gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 1); - mdelay(10); } else { - mdelay(10); gpio_set_value(GPIO105_MAGICIAN_LCD_VON_EN, 0); - mdelay(30); + mdelay(16); gpio_set_value(GPIO104_MAGICIAN_LCD_VOFF_EN, 0); - mdelay(10); + mdelay(6); gpio_set_value(GPIO106_MAGICIAN_LCD_DCDC_NRESET, 0); - mdelay(10); + mdelay(6); if (system_rev < 3) gpio_set_value(GPIO75_MAGICIAN_SAMSUNG_POWER, 0); else -- 1.7.12.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
