[patch 1/5] SM501: Reverse FPEN/VBIASEN flags behaviour.

[Ben Dooks <ben-fbdev@fluff.org>]

[-- Attachment #1: simtec/simtec-drivers-fb-sm501-revertbehaviour.patch --]
[-- Type: text/plain, Size: 2702 bytes --]

To keep backwards compatibility, reverse the meanings of these flags
so that when they are not set, the driver uses the original behvaiour.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>

Index: linux-2.6.25-rc9-quilt2/drivers/video/sm501fb.c
===================================================================
--- linux-2.6.25-rc9-quilt2.orig/drivers/video/sm501fb.c	2008-04-14 16:41:21.000000000 +0100
+++ linux-2.6.25-rc9-quilt2/drivers/video/sm501fb.c	2008-04-15 00:23:19.000000000 +0100
@@ -663,14 +663,14 @@ static void sm501fb_panel_power(struct s
 		sm501fb_sync_regs(fbi);
 		mdelay(10);
 
-		if (pd->flags & SM501FB_FLAG_PANEL_USE_VBIASEN) {
+		if (!(pd->flags & SM501FB_FLAG_PANEL_NO_VBIASEN)) {
 			control |= SM501_DC_PANEL_CONTROL_BIAS;	/* VBIASEN */
 			writel(control, ctrl_reg);
 			sm501fb_sync_regs(fbi);
 			mdelay(10);
 		}
 
-		if (pd->flags & SM501FB_FLAG_PANEL_USE_FPEN) {
+		if (!(pd->flags & SM501FB_FLAG_PANEL_NO_FPEN)) {
 			control |= SM501_DC_PANEL_CONTROL_FPEN;
 			writel(control, ctrl_reg);
 			sm501fb_sync_regs(fbi);
@@ -678,14 +678,14 @@ static void sm501fb_panel_power(struct s
 		}
 	} else if (!to && (control & SM501_DC_PANEL_CONTROL_VDD) != 0) {
 		/* disable panel power */
-		if (pd->flags & SM501FB_FLAG_PANEL_USE_FPEN) {
+		if (!(pd->flags & SM501FB_FLAG_PANEL_NO_FPEN)) {
 			control &= ~SM501_DC_PANEL_CONTROL_FPEN;
 			writel(control, ctrl_reg);
 			sm501fb_sync_regs(fbi);
 			mdelay(10);
 		}
 
-		if (pd->flags & SM501FB_FLAG_PANEL_USE_VBIASEN) {
+		if (!(pd->flags & SM501FB_FLAG_PANEL_NO_VBIASEN)) {
 			control &= ~SM501_DC_PANEL_CONTROL_BIAS;
 			writel(control, ctrl_reg);
 			sm501fb_sync_regs(fbi);
Index: linux-2.6.25-rc9-quilt2/include/linux/sm501.h
===================================================================
--- linux-2.6.25-rc9-quilt2.orig/include/linux/sm501.h	2008-04-15 00:11:29.000000000 +0100
+++ linux-2.6.25-rc9-quilt2/include/linux/sm501.h	2008-04-15 00:23:19.000000000 +0100
@@ -71,8 +71,8 @@ extern unsigned long sm501_gpio_get(stru
 #define SM501FB_FLAG_DISABLE_AT_EXIT	(1<<1)
 #define SM501FB_FLAG_USE_HWCURSOR	(1<<2)
 #define SM501FB_FLAG_USE_HWACCEL	(1<<3)
-#define SM501FB_FLAG_PANEL_USE_FPEN	(1<<4)
-#define SM501FB_FLAG_PANEL_USE_VBIASEN	(1<<5)
+#define SM501FB_FLAG_PANEL_NO_FPEN	(1<<4)
+#define SM501FB_FLAG_PANEL_NO_VBIASEN	(1<<5)
 
 struct sm501_platdata_fbsub {
 	struct fb_videomode	*def_mode;

-- 
Ben (ben@fluff.org, http://www.fluff.org/)

  'a smiley only costs 4 bytes'

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