Or it must be this way: --- diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index 4484c72..c2ceae4 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -1085,7 +1085,7 @@ static int atmel_lcdfb_suspend(struct platform_device *pdev, pm_message_t mesg) */ lcdc_writel(sinfo, ATMEL_LCDC_IDR, ~0UL); - sinfo->saved_lcdcon = lcdc_readl(sinfo, ATMEL_LCDC_CONTRAST_VAL); + sinfo->saved_lcdcon = lcdc_readl(sinfo, ATMEL_LCDC_CONTRAST_CTR); lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, 0); if (sinfo->atmel_lcdfb_power_control) sinfo->atmel_lcdfb_power_control(0); -- So which solution was originally intended? Best regards Hubert 2011/6/6 Hubert Feurstein <h.feurstein@xxxxxxxxx>: > I assume the intention was to set the contrast value to 0 and not > the contrast control register (in atmel_lcdfb_suspend). And in > atmel_lcdfb_resume the contrast value should be restored. > > Signed-off-by: Hubert Feurstein <h.feurstein@xxxxxxxxx> > Cc: Nicolas Ferre <nicolas.ferre@xxxxxxxxx> > Cc: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx> > --- > drivers/video/atmel_lcdfb.c | 4 ++-- > 1 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c > index 4484c72..2ed7ec1 100644 > --- a/drivers/video/atmel_lcdfb.c > +++ b/drivers/video/atmel_lcdfb.c > @@ -1086,7 +1086,7 @@ static int atmel_lcdfb_suspend(struct platform_device *pdev, pm_message_t mesg) > lcdc_writel(sinfo, ATMEL_LCDC_IDR, ~0UL); > > sinfo->saved_lcdcon = lcdc_readl(sinfo, ATMEL_LCDC_CONTRAST_VAL); > - lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, 0); > + lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_VAL, 0); > if (sinfo->atmel_lcdfb_power_control) > sinfo->atmel_lcdfb_power_control(0); > > @@ -1105,7 +1105,7 @@ static int atmel_lcdfb_resume(struct platform_device *pdev) > atmel_lcdfb_start(sinfo); > if (sinfo->atmel_lcdfb_power_control) > sinfo->atmel_lcdfb_power_control(1); > - lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_CTR, sinfo->saved_lcdcon); > + lcdc_writel(sinfo, ATMEL_LCDC_CONTRAST_VAL, sinfo->saved_lcdcon); > > /* Enable FIFO & DMA errors */ > lcdc_writel(sinfo, ATMEL_LCDC_IER, ATMEL_LCDC_UFLWI > -- > 1.7.1 > > -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html