diff options
| -rw-r--r-- | drivers/video/sm501fb.c | 41 | ||||
| -rw-r--r-- | include/linux/sm501.h | 2 |
2 files changed, 27 insertions, 16 deletions
diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c index 58f200c69be3..e1d6085bc347 100644 --- a/drivers/video/sm501fb.c +++ b/drivers/video/sm501fb.c @@ -641,6 +641,7 @@ static void sm501fb_panel_power(struct sm501fb_info *fbi, int to) { unsigned long control; void __iomem *ctrl_reg = fbi->regs + SM501_DC_PANEL_CONTROL; + struct sm501_platdata_fbsub *pd = fbi->pdata->fb_pnl; control = readl(ctrl_reg); @@ -657,26 +658,34 @@ static void sm501fb_panel_power(struct sm501fb_info *fbi, int to) sm501fb_sync_regs(fbi); mdelay(10); - control |= SM501_DC_PANEL_CONTROL_BIAS; /* VBIASEN */ - writel(control, ctrl_reg); - sm501fb_sync_regs(fbi); - mdelay(10); - - control |= SM501_DC_PANEL_CONTROL_FPEN; - writel(control, ctrl_reg); + if (pd->flags & SM501FB_FLAG_PANEL_USE_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) { + control |= SM501_DC_PANEL_CONTROL_FPEN; + writel(control, ctrl_reg); + sm501fb_sync_regs(fbi); + mdelay(10); + } } else if (!to && (control & SM501_DC_PANEL_CONTROL_VDD) != 0) { /* disable panel power */ + if (pd->flags & SM501FB_FLAG_PANEL_USE_FPEN) { + control &= ~SM501_DC_PANEL_CONTROL_FPEN; + writel(control, ctrl_reg); + sm501fb_sync_regs(fbi); + mdelay(10); + } - control &= ~SM501_DC_PANEL_CONTROL_FPEN; - writel(control, ctrl_reg); - sm501fb_sync_regs(fbi); - mdelay(10); - - control &= ~SM501_DC_PANEL_CONTROL_BIAS; - writel(control, ctrl_reg); - sm501fb_sync_regs(fbi); - mdelay(10); + if (pd->flags & SM501FB_FLAG_PANEL_USE_VBIASEN) { + control &= ~SM501_DC_PANEL_CONTROL_BIAS; + writel(control, ctrl_reg); + sm501fb_sync_regs(fbi); + mdelay(10); + } control &= ~SM501_DC_PANEL_CONTROL_DATA; writel(control, ctrl_reg); diff --git a/include/linux/sm501.h b/include/linux/sm501.h index 9e3aaad6fe4d..932a9efee8a5 100644 --- a/include/linux/sm501.h +++ b/include/linux/sm501.h @@ -70,6 +70,8 @@ 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) struct sm501_platdata_fbsub { struct fb_videomode *def_mode; |