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video, sm501: add OF binding to support SM501

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- add binding to OF, compatible name "smi,sm501"

Signed-off-by: Heiko Schocher <[email protected]>
cc: [email protected]
cc: [email protected]
cc: Ben Dooks <[email protected]>
cc: Vincent Sanders <[email protected]>
cc: Samuel Ortiz <[email protected]>
cc: [email protected]
cc: Randy Dunlap <[email protected]>
cc: Paul Mundt <[email protected]>
Signed-off-by: Paul Mundt <[email protected]>
This commit is contained in:
Heiko Schocher 2011-01-26 07:21:30 +00:00 • committed by Paul Mundt
commit 4295f9bf74
3 changed files with 81 additions and 4 deletions
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42
drivers/video/sm501fb.c
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@ -1729,6 +1729,15 @@ static int sm501fb_init_fb(struct fb_info *fb,
FBINFO_HWACCEL_COPYAREA | FBINFO_HWACCEL_FILLRECT |
FBINFO_HWACCEL_XPAN | FBINFO_HWACCEL_YPAN;
#if defined(CONFIG_OF)
#ifdef __BIG_ENDIAN
if (of_get_property(info->dev->parent->of_node, "little-endian", NULL))
fb->flags |= FBINFO_FOREIGN_ENDIAN;
#else
if (of_get_property(info->dev->parent->of_node, "big-endian", NULL))
fb->flags |= FBINFO_FOREIGN_ENDIAN;
#endif
#endif
/* fixed data */
fb->fix.type = FB_TYPE_PACKED_PIXELS;
@ -1765,14 +1774,17 @@ static int sm501fb_init_fb(struct fb_info *fb,
fb->var.xres_virtual = fb->var.xres;
fb->var.yres_virtual = fb->var.yres;
} else {
if (info->edid_data)
if (info->edid_data) {
ret = fb_find_mode(&fb->var, fb, fb_mode,
fb->monspecs.modedb,
fb->monspecs.modedb_len,
&sm501_default_mode, default_bpp);
else
/* edid_data is no longer needed, free it */
kfree(info->edid_data);
} else {
ret = fb_find_mode(&fb->var, fb,
NULL, NULL, 0, NULL, 8);
}
switch (ret) {
case 1:
@ -1933,8 +1945,32 @@ static int __devinit sm501fb_probe(struct platform_device *pdev)
}
if (info->pdata == NULL) {
dev_info(dev, "using default configuration data\n");
int found = 0;
#if defined(CONFIG_OF)
struct device_node *np = pdev->dev.parent->of_node;
const u8 *prop;
const char *cp;
int len;
info->pdata = &sm501fb_def_pdata;
if (np) {
/* Get EDID */
cp = of_get_property(np, "mode", &len);
if (cp)
strcpy(fb_mode, cp);
prop = of_get_property(np, "edid", &len);
if (prop && len == EDID_LENGTH) {
info->edid_data = kmemdup(prop, EDID_LENGTH,
GFP_KERNEL);
if (info->edid_data)
found = 1;
}
}
#endif
if (!found) {
dev_info(dev, "using default configuration data\n");
info->pdata = &sm501fb_def_pdata;
}
}
/* probe for the presence of each panel */