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fb: imx-ipu-fb: Use dev_add_param_int for alpha parameter 

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2013-04-06 11:57:35 +02:00
parent 196345d3fb
commit 0a4c787171
1 changed files with 10 additions and 17 deletions
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27
drivers/video/imx-ipu-fb.c
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@ -39,6 +39,8 @@ struct ipu_fb_info {
struct fb_info info;
struct fb_info overlay;
struct device_d *dev;
unsigned int alpha;
};
/* IPU DMA Controller channel definitions. */
@ -914,27 +916,17 @@ static struct fb_ops ipu_fb_overlay_ops = {
.fb_disable = ipu_fb_overlay_disable_controller,
};
static int sdc_alpha_set(struct device_d *dev, struct param_d *param,
const char *val)
static int sdc_alpha_set(struct param_d *param, void *priv)
{
struct fb_info *info = dev->priv;
struct fb_info *info = priv;
struct ipu_fb_info *fbi = info->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 = reg_read(fbi, SDC_GW_CTRL) & 0x00FFFFFFL;
reg_write(fbi, tmp | ((u32) alpha << 24), SDC_GW_CTRL);
sprintf(alphastr, "%d", alpha);
dev_param_set_generic(dev, param, alphastr);
reg_write(fbi, tmp | ((u32) fbi->alpha << 24), SDC_GW_CTRL);
return 0;
}
@ -968,8 +960,9 @@ static int sdc_fb_register_overlay(struct ipu_fb_info *fbi, void *fb)
return ret;
}
dev_add_param(&overlay->dev, "alpha", sdc_alpha_set, NULL, 0);
dev_set_param(&overlay->dev, "alpha", "0");
dev_add_param_int(&overlay->dev, "alpha", sdc_alpha_set,
NULL, &fbi->alpha, "%u", overlay);
return 0;
}