diff options
| -rw-r--r-- | drivers/video/sm501fb.c | 26 | ||||
| -rw-r--r-- | include/linux/sm501.h | 2 |
2 files changed, 24 insertions, 4 deletions
diff --git a/drivers/video/sm501fb.c b/drivers/video/sm501fb.c index 15d4a768b1f..122a0f8495c 100644 --- a/drivers/video/sm501fb.c +++ b/drivers/video/sm501fb.c @@ -663,15 +663,25 @@ static void sm501fb_panel_power(struct sm501fb_info *fbi, int to) sm501fb_sync_regs(fbi); mdelay(10); + /* VBIASEN */ + if (!(pd->flags & SM501FB_FLAG_PANEL_NO_VBIASEN)) { - control |= SM501_DC_PANEL_CONTROL_BIAS; /* VBIASEN */ + if (pd->flags & SM501FB_FLAG_PANEL_INV_VBIASEN) + control &= ~SM501_DC_PANEL_CONTROL_BIAS; + else + control |= SM501_DC_PANEL_CONTROL_BIAS; + writel(control, ctrl_reg); sm501fb_sync_regs(fbi); mdelay(10); } if (!(pd->flags & SM501FB_FLAG_PANEL_NO_FPEN)) { - control |= SM501_DC_PANEL_CONTROL_FPEN; + if (pd->flags & SM501FB_FLAG_PANEL_INV_FPEN) + control &= ~SM501_DC_PANEL_CONTROL_FPEN; + else + control |= SM501_DC_PANEL_CONTROL_FPEN; + writel(control, ctrl_reg); sm501fb_sync_regs(fbi); mdelay(10); @@ -679,14 +689,22 @@ 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_NO_FPEN)) { - control &= ~SM501_DC_PANEL_CONTROL_FPEN; + if (pd->flags & SM501FB_FLAG_PANEL_INV_FPEN) + control |= SM501_DC_PANEL_CONTROL_FPEN; + else + control &= ~SM501_DC_PANEL_CONTROL_FPEN; + writel(control, ctrl_reg); sm501fb_sync_regs(fbi); mdelay(10); } if (!(pd->flags & SM501FB_FLAG_PANEL_NO_VBIASEN)) { - control &= ~SM501_DC_PANEL_CONTROL_BIAS; + if (pd->flags & SM501FB_FLAG_PANEL_INV_VBIASEN) + control |= SM501_DC_PANEL_CONTROL_BIAS; + else + control &= ~SM501_DC_PANEL_CONTROL_BIAS; + writel(control, ctrl_reg); sm501fb_sync_regs(fbi); mdelay(10); diff --git a/include/linux/sm501.h b/include/linux/sm501.h index 95c1c39ba44..b530fa6a1d3 100644 --- a/include/linux/sm501.h +++ b/include/linux/sm501.h @@ -73,6 +73,8 @@ extern unsigned long sm501_gpio_get(struct device *dev, #define SM501FB_FLAG_USE_HWACCEL (1<<3) #define SM501FB_FLAG_PANEL_NO_FPEN (1<<4) #define SM501FB_FLAG_PANEL_NO_VBIASEN (1<<5) +#define SM501FB_FLAG_PANEL_INV_FPEN (1<<6) +#define SM501FB_FLAG_PANEL_INV_VBIASEN (1<<7) struct sm501_platdata_fbsub { struct fb_videomode *def_mode; |