diff options
| author | Michal Januszewski <spock@gentoo.org> | 2009-04-13 23:39:51 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-14 00:04:29 +0200 |
| commit | 0a4534801468325fdb6a7b7bf73ad2a958a1e379 (patch) | |
| tree | f2809286876627f9b2f68449cc3623eab280b347 /drivers/video/sa1100fb.c | |
| parent | s3fb: fix color component length for pseudocolor modes (diff) | |
| download | linux-0a4534801468325fdb6a7b7bf73ad2a958a1e379.tar.xz linux-0a4534801468325fdb6a7b7bf73ad2a958a1e379.zip | |
sa1100fb: fix color component length for pseudocolor modes
sa1100fb incorrectly sets the length of the color fields to 8 bits for
PSEUDOCOLOR modes for which only 4 bits are used per pixel. Fix this by
setting the length to 4 bits for these modes.
Signed-off-by: Michal Januszewski <spock@gentoo.org>
Cc: Krzysztof Helt <krzysztof.h1@poczta.fm>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/video/sa1100fb.c')
| -rw-r--r-- | drivers/video/sa1100fb.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/video/sa1100fb.c b/drivers/video/sa1100fb.c index fad58cf9ef73..10ddad8e17d6 100644 --- a/drivers/video/sa1100fb.c +++ b/drivers/video/sa1100fb.c @@ -199,16 +199,20 @@ extern void (*sa1100fb_backlight_power)(int on); extern void (*sa1100fb_lcd_power)(int on); -/* - * IMHO this looks wrong. In 8BPP, length should be 8. - */ -static struct sa1100fb_rgb rgb_8 = { +static struct sa1100fb_rgb rgb_4 = { .red = { .offset = 0, .length = 4, }, .green = { .offset = 0, .length = 4, }, .blue = { .offset = 0, .length = 4, }, .transp = { .offset = 0, .length = 0, }, }; +static struct sa1100fb_rgb rgb_8 = { + .red = { .offset = 0, .length = 8, }, + .green = { .offset = 0, .length = 8, }, + .blue = { .offset = 0, .length = 8, }, + .transp = { .offset = 0, .length = 0, }, +}; + static struct sa1100fb_rgb def_rgb_16 = { .red = { .offset = 11, .length = 5, }, .green = { .offset = 5, .length = 6, }, @@ -613,7 +617,7 @@ sa1100fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) DPRINTK("var->bits_per_pixel=%d\n", var->bits_per_pixel); switch (var->bits_per_pixel) { case 4: - rgbidx = RGB_8; + rgbidx = RGB_4; break; case 8: rgbidx = RGB_8; @@ -1382,6 +1386,7 @@ static struct sa1100fb_info * __init sa1100fb_init_fbinfo(struct device *dev) fbi->fb.monspecs = monspecs; fbi->fb.pseudo_palette = (fbi + 1); + fbi->rgb[RGB_4] = &rgb_4; fbi->rgb[RGB_8] = &rgb_8; fbi->rgb[RGB_16] = &def_rgb_16; |