[patch 1/5] SM501: Add inversion controls for VBIASEN and FPEN
flat view
STALE6681d
From: Ben Dooks <ben-linux@fluff.org>
Date: 2008-06-22 21:06:33
Add flags to allow the driver to invert the sense of both VBIASEN and FPEN signals comming from the SM501. Signed-off-by: Ben Dooks <ben-linux@fluff.org> Index: linux-2.6.26-rc4-quilt3/drivers/video/sm501fb.c ===================================================================
--- linux-2.6.26-rc4-quilt3.orig/drivers/video/sm501fb.c 2008-05-26 23:17:37.000000000 +0100
+++ linux-2.6.26-rc4-quilt3/drivers/video/sm501fb.c 2008-05-29 10:53:18.000000000 +0100@@ -663,15 +663,25 @@ static void sm501fb_panel_power(struct s 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 s } 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);
Index: linux-2.6.26-rc4-quilt3/include/linux/sm501.h ===================================================================
--- linux-2.6.26-rc4-quilt3.orig/include/linux/sm501.h 2008-05-27 20:25:43.000000000 +0100
+++ linux-2.6.26-rc4-quilt3/include/linux/sm501.h 2008-05-29 10:54:40.000000000 +0100@@ -73,6 +73,8 @@ extern unsigned long sm501_gpio_get(stru #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;
--
Ben (ben@fluff.org, http://www.fluff.org/)
'a smiley only costs 4 bytes'
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