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Message-ID: <469DDAE0.4010106@rfo.atmel.com> Date: Wed, 18 Jul 2007 11:18:24 +0200 From: Nicolas Ferre <nicolas.ferre@....atmel.com> To: "Antonino A. Daplas" <adaplas@...il.com>, linux-fbdev-devel@...ts.sourceforge.net CC: Haavard Skinnemoen <hskinnemoen@...el.com>, Linux Kernel list <linux-kernel@...r.kernel.org> Subject: [PATCH] atmel_lcdfb: Use spare bits in 32bpp mode as alpha channel From: Haavard Skinnemoen <hskinnemoen@...el.com> Set var->transp.offset and var->transp.length in 32bpp mode to indicate that the 8 otherwise unused bits can be used for transparency. Signed-off-by: Haavard Skinnemoen <hskinnemoen@...el.com> Signed-off-by: Nicolas Ferre <nicolas.ferre@....atmel.com> --- drivers/video/atmel_lcdfb.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c index a05491f..bb361ab 100644 --- a/drivers/video/atmel_lcdfb.c +++ b/drivers/video/atmel_lcdfb.c @@ -221,8 +221,11 @@ static int atmel_lcdfb_check_var(struct fb_var_screeninfo *var, var->blue.offset = 10; var->red.length = var->green.length = var->blue.length = 5; break; - case 24: case 32: + var->transp.offset = 24; + var->transp.length = 8; + /* fall through */ + case 24: var->red.offset = 0; var->green.offset = 8; var->blue.offset = 16; - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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