diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/video/vesafb.c | 56 |
1 files changed, 25 insertions, 31 deletions
diff --git a/drivers/video/vesafb.c b/drivers/video/vesafb.c index 4f02615225ac..67e215443953 100644 --- a/drivers/video/vesafb.c +++ b/drivers/video/vesafb.c | |||
@@ -166,45 +166,39 @@ static int vesafb_setcolreg(unsigned regno, unsigned red, unsigned green, | |||
166 | if (regno >= info->cmap.len) | 166 | if (regno >= info->cmap.len) |
167 | return 1; | 167 | return 1; |
168 | 168 | ||
169 | switch (info->var.bits_per_pixel) { | 169 | if (info->var.bits_per_pixel == 8) |
170 | case 8: | ||
171 | vesa_setpalette(regno,red,green,blue); | 170 | vesa_setpalette(regno,red,green,blue); |
172 | break; | 171 | else if (regno < 16) { |
173 | case 16: | 172 | switch (info->var.bits_per_pixel) { |
174 | if (info->var.red.offset == 10) { | 173 | case 16: |
175 | /* 1:5:5:5 */ | 174 | if (info->var.red.offset == 10) { |
176 | ((u32*) (info->pseudo_palette))[regno] = | 175 | /* 1:5:5:5 */ |
176 | ((u32*) (info->pseudo_palette))[regno] = | ||
177 | ((red & 0xf800) >> 1) | | 177 | ((red & 0xf800) >> 1) | |
178 | ((green & 0xf800) >> 6) | | 178 | ((green & 0xf800) >> 6) | |
179 | ((blue & 0xf800) >> 11); | 179 | ((blue & 0xf800) >> 11); |
180 | } else { | 180 | } else { |
181 | /* 0:5:6:5 */ | 181 | /* 0:5:6:5 */ |
182 | ((u32*) (info->pseudo_palette))[regno] = | 182 | ((u32*) (info->pseudo_palette))[regno] = |
183 | ((red & 0xf800) ) | | 183 | ((red & 0xf800) ) | |
184 | ((green & 0xfc00) >> 5) | | 184 | ((green & 0xfc00) >> 5) | |
185 | ((blue & 0xf800) >> 11); | 185 | ((blue & 0xf800) >> 11); |
186 | } | ||
187 | break; | ||
188 | case 24: | ||
189 | case 32: | ||
190 | red >>= 8; | ||
191 | green >>= 8; | ||
192 | blue >>= 8; | ||
193 | ((u32 *)(info->pseudo_palette))[regno] = | ||
194 | (red << info->var.red.offset) | | ||
195 | (green << info->var.green.offset) | | ||
196 | (blue << info->var.blue.offset); | ||
197 | break; | ||
186 | } | 198 | } |
187 | break; | 199 | } |
188 | case 24: | 200 | |
189 | red >>= 8; | 201 | return 0; |
190 | green >>= 8; | ||
191 | blue >>= 8; | ||
192 | ((u32 *)(info->pseudo_palette))[regno] = | ||
193 | (red << info->var.red.offset) | | ||
194 | (green << info->var.green.offset) | | ||
195 | (blue << info->var.blue.offset); | ||
196 | break; | ||
197 | case 32: | ||
198 | red >>= 8; | ||
199 | green >>= 8; | ||
200 | blue >>= 8; | ||
201 | ((u32 *)(info->pseudo_palette))[regno] = | ||
202 | (red << info->var.red.offset) | | ||
203 | (green << info->var.green.offset) | | ||
204 | (blue << info->var.blue.offset); | ||
205 | break; | ||
206 | } | ||
207 | return 0; | ||
208 | } | 202 | } |
209 | 203 | ||
210 | static struct fb_ops vesafb_ops = { | 204 | static struct fb_ops vesafb_ops = { |