From cdfcedbf250ba2ec01b2555cffde83e9947e9fbf Mon Sep 17 00:00:00 2001 From: Alexander Stein Date: Tue, 20 Jul 2010 08:55:40 +0200 Subject: atmel_lcd: Allow contrast polarity to be either positive or negative Signed-off-by: Alexander Stein --- drivers/video/atmel_lcdfb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/video') diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index db867638f..c02ffd803 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -143,8 +143,9 @@ void lcd_ctrl_init(void *lcdbase) /* Set contrast */ value = ATMEL_LCDC_PS_DIV8 | - ATMEL_LCDC_POL_POSITIVE | ATMEL_LCDC_ENA_PWMENABLE; + if (!panel_info.vl_cont_pol_low) + value |= ATMEL_LCDC_POL_POSITIVE; lcdc_writel(panel_info.mmio, ATMEL_LCDC_CONTRAST_CTR, value); lcdc_writel(panel_info.mmio, ATMEL_LCDC_CONTRAST_VAL, ATMEL_LCDC_CVAL_DEFAULT); -- cgit v1.2.3