Signed-off-by: Alexander Stein alexander.stein@systec-electronic.com --- drivers/video/atmel_lcdfb.c | 3 ++- include/lcd.h | 1 + 2 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index db86763..c02ffd8 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);
diff --git a/include/lcd.h b/include/lcd.h index cd9d49d..0e098d9 100644 --- a/include/lcd.h +++ b/include/lcd.h @@ -167,6 +167,7 @@ typedef struct vidinfo { u_long vl_sync; /* Horizontal / vertical sync */ u_long vl_bpix; /* Bits per pixel, 0 = 1, 1 = 2, 2 = 4, 3 = 8, 4 = 16 */ u_long vl_tft; /* 0 = passive, 1 = TFT */ + u_long vl_cont_pol_low; /* contrast polarity is low */
/* Horizontal control register. */ u_long vl_hsync_len; /* Length of horizontal sync */