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SM501: reverse FPEN/VBIASEN flags behaviour

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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>
Cc: Arnaud Patard <arnaud.patard@rtp-net.org>
Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Ben Dooks 2008-05-23 13:04:53 -07:00 committed by Linus Torvalds
parent cd94b9dbfa
commit cdc83ae245
2 changed files with 6 additions and 6 deletions
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8
drivers/video/sm501fb.c
View File

@ -663,14 +663,14 @@ static void sm501fb_panel_power(struct sm501fb_info *fbi, int to)
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 sm501fb_info *fbi, int to)
}
} 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);

4
include/linux/sm501.h
View File

@ -71,8 +71,8 @@ extern unsigned long sm501_gpio_get(struct device *dev,
#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;