diff options
Diffstat (limited to 'drivers/video/imx.c')
| -rw-r--r-- | drivers/video/imx.c | 26 |
1 files changed, 9 insertions, 17 deletions
diff --git a/drivers/video/imx.c b/drivers/video/imx.c index 736e8d08e2..6e2d8d6f73 100644 --- a/drivers/video/imx.c +++ b/drivers/video/imx.c @@ -158,6 +158,8 @@ struct imxfb_info { void (*enable)(int enable); + unsigned int alpha; + struct fb_info overlay; }; @@ -421,30 +423,20 @@ static struct fb_ops imxfb_overlay_ops = { .fb_disable = imxfb_overlay_disable_controller, }; -static int imxfb_alpha_set(struct device_d *dev, struct param_d *param, - const char *val) +static int imxfb_alpha_set(struct param_d *param, void *priv) { - struct fb_info *overlay = dev->priv; + struct fb_info *overlay = priv; struct imxfb_info *fbi = overlay->priv; - int alpha; - char alphastr[16]; unsigned int tmp; - if (!val) - return dev_param_set_generic(dev, param, NULL); - - alpha = simple_strtoul(val, NULL, 0); - alpha &= 0xff; + if (fbi->alpha > 0xff) + fbi->alpha = 0xff; tmp = readl(fbi->regs + LCDC_LGWCR); tmp &= ~LGWCR_GWAV(0xff); - tmp |= LGWCR_GWAV(alpha); + tmp |= LGWCR_GWAV(fbi->alpha); writel(tmp , fbi->regs + LCDC_LGWCR); - sprintf(alphastr, "%d", alpha); - - dev_param_set_generic(dev, param, alphastr); - return 0; } @@ -508,8 +500,8 @@ static int imxfb_register_overlay(struct imxfb_info *fbi, void *fb) return ret; } - dev_add_param(&overlay->dev, "alpha", imxfb_alpha_set, NULL, 0); - dev_set_param(&overlay->dev, "alpha", "0"); + dev_add_param_int(&overlay->dev, "alpha", imxfb_alpha_set, + NULL, &fbi->alpha, "%u", overlay); return 0; } |