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ARM HDLCD: Change default byte ordering to match Android assumption

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Change color byte location in 32-bit word from argb to abgr to match
the assumption made in Android when 32-bit color displays are used.

Signed-off-by: Chris Redpath <chris.redpath@arm.com>
This commit is contained in:
Chris Redpath
2012-06-29 13:10:35 +01:00
committed by Jon Medhurst
parent f03c663576
commit 585617333b
1 changed files with 19 additions and 4 deletions
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23
drivers/video/arm-hdlcd.c
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@@ -116,10 +116,25 @@ static int hdlcd_set_bitfields(struct hdlcd_device *hdlcd,
}
if (!ret) {
var->green.offset = var->blue.length;
var->red.offset = var->green.offset + var->green.length;
if (var->bits_per_pixel == 32)
var->transp.offset = var->red.offset + var->red.length;
if(var->bits_per_pixel != 32)
{
var->green.offset = var->blue.length;
var->red.offset = var->green.offset + var->green.length;
}
else
{
/* Previously, the byte ordering for 32-bit color was
* (msb)<alpha><red><green><blue>(lsb)
* but this does not match what android expects and
* the colors are odd. Instead, use
* <alpha><blue><green><red>
* Since we tell fb what we are doing, console
* , X and directfb access should work fine.
*/
var->green.offset = var->red.length;
var->blue.offset = var->green.offset + var->green.length;
var->transp.offset = var->blue.offset + var->blue.length;
}
}
return ret;