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author | David S. Miller <davem@davemloft.net> | 2011-01-24 21:17:06 (GMT) |
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committer | David S. Miller <davem@davemloft.net> | 2011-01-24 21:17:06 (GMT) |
commit | e92427b289d252cfbd4cb5282d92f4ce1a5bb1fb (patch) | |
tree | 6d30e5e7b7f8e9aaa51d43b7128ac56860fa03bb /drivers/video/vt8500lcdfb.c | |
parent | c506653d35249bb4738bb139c24362e1ae724bc1 (diff) | |
parent | ec30f343d61391ab23705e50a525da1d55395780 (diff) | |
download | linux-fsl-qoriq-e92427b289d252cfbd4cb5282d92f4ce1a5bb1fb.tar.xz |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/video/vt8500lcdfb.c')
-rw-r--r-- | drivers/video/vt8500lcdfb.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/video/vt8500lcdfb.c b/drivers/video/vt8500lcdfb.c index 7617f12..0e120d6 100644 --- a/drivers/video/vt8500lcdfb.c +++ b/drivers/video/vt8500lcdfb.c @@ -215,6 +215,33 @@ static int vt8500lcd_pan_display(struct fb_var_screeninfo *var, return 0; } +/* + * vt8500lcd_blank(): + * Blank the display by setting all palette values to zero. Note, + * True Color modes do not really use the palette, so this will not + * blank the display in all modes. + */ +static int vt8500lcd_blank(int blank, struct fb_info *info) +{ + int i; + + switch (blank) { + case FB_BLANK_POWERDOWN: + case FB_BLANK_VSYNC_SUSPEND: + case FB_BLANK_HSYNC_SUSPEND: + case FB_BLANK_NORMAL: + if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR || + info->fix.visual == FB_VISUAL_STATIC_PSEUDOCOLOR) + for (i = 0; i < 256; i++) + vt8500lcd_setcolreg(i, 0, 0, 0, 0, info); + case FB_BLANK_UNBLANK: + if (info->fix.visual == FB_VISUAL_PSEUDOCOLOR || + info->fix.visual == FB_VISUAL_STATIC_PSEUDOCOLOR) + fb_set_cmap(&info->cmap, info); + } + return 0; +} + static struct fb_ops vt8500lcd_ops = { .owner = THIS_MODULE, .fb_set_par = vt8500lcd_set_par, @@ -225,6 +252,7 @@ static struct fb_ops vt8500lcd_ops = { .fb_sync = wmt_ge_sync, .fb_ioctl = vt8500lcd_ioctl, .fb_pan_display = vt8500lcd_pan_display, + .fb_blank = vt8500lcd_blank, }; static irqreturn_t vt8500lcd_handle_irq(int irq, void *dev_id) |