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Commit 787f9fd2 authored by Peter Korsgaard's avatar Peter Korsgaard Committed by Florian Tobias Schandinat
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atmel_lcdfb: support 16bit BGR:565 mode, remove unsupported 15bit modes 



Allow framebuffer to be configured in 16bit mode when panel is wired in
(the default) BGR configuration, and don't claim to support 15bit input
modes, which the LCD controller cannot handle.

Signed-off-by: default avatarPeter Korsgaard <jacmet@sunsite.dk>
Acked-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: default avatarFlorian Tobias Schandinat <FlorianSchandinat@gmx.de>
parent b20f8662

drivers/video/atmel_lcdfb.c

+3 −9
Original line number Diff line number Diff line
@@ -421,24 +421,18 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, 
		var->red.length = var->green.length = var->blue.length

			= var->bits_per_pixel;

		break;

	case 15:

	case 16:

		if (sinfo->lcd_wiring_mode == ATMEL_LCDC_WIRING_RGB) {

			/* RGB:565 mode */

			var->red.offset = 11;

			var->blue.offset = 0;

			var->green.length = 6;

		} else if (sinfo->lcd_wiring_mode == ATMEL_LCDC_WIRING_RGB555) {

			var->red.offset = 10;

			var->blue.offset = 0;

			var->green.length = 5;

		} else {

			/* BGR:555 mode */

			/* BGR:565 mode */

			var->red.offset = 0;

			var->blue.offset = 10;

			var->green.length = 5;

			var->blue.offset = 11;

		}

		var->green.offset = 5;

		var->green.length = 6;

		var->red.length = var->blue.length = 5;

		break;

	case 32: