diff options
| -rw-r--r-- | drivers/staging/sm750fb/sm750.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c index 9740f2705679..fecd7457e615 100644 --- a/drivers/staging/sm750fb/sm750.c +++ b/drivers/staging/sm750fb/sm750.c @@ -537,8 +537,13 @@ static int lynxfb_ops_setcolreg(unsigned int regno, return -EINVAL; } - if (info->var.grayscale) - red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8; + if (info->var.grayscale) { + int lum = (red * 77 + green * 151 + blue * 28) >> 8; + + red = lum; + green = lum; + blue = lum; + } if (var->bits_per_pixel == 8 && info->fix.visual == FB_VISUAL_PSEUDOCOLOR) { |