diff options
Diffstat (limited to 'drivers/video/sm501fb.c')
| -rw-r--r-- | drivers/video/sm501fb.c | 41 |
1 files changed, 25 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); |