V4L/DVB (6090): ivtv-fb: correct transparency bit reporting

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 6 insertions, 3 deletions

diff --git a/drivers/media/video/ivtv/ivtv-fb.c b/drivers/media/video/ivtv/ivtv-fb.c
index 008076543aca..7618cd47a35d 100644
--- a/drivers/media/video/ivtv/ivtv-fb.c
+++ b/drivers/media/video/ivtv/ivtv-fb.c
@@ -608,9 +608,6 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv)
                 var->blue.length = 8;
         }
         else if (var->bits_per_pixel == 16) {
-                var->transp.offset = 0;
-                var->transp.length = 0;
-
                 /* To find out the true mode, check green length */
                 switch (var->green.length) {
                         case 4:
@@ -620,6 +617,8 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv)
                                 var->green.length = 4;
                                 var->blue.offset = 0;
                                 var->blue.length = 4;
+                                var->transp.offset = 12;
+                                var->transp.length = 1;
                                 break;
                         case 5:
                                 var->red.offset = 10;
@@ -628,6 +627,8 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv)
                                 var->green.length = 5;
                                 var->blue.offset = 0;
                                 var->blue.length = 5;
+                                var->transp.offset = 15;
+                                var->transp.length = 1;
                                 break;
                         default:
                                 var->red.offset = 11;
@@ -636,6 +637,8 @@ static int _ivtvfb_check_var(struct fb_var_screeninfo *var, struct ivtv *itv)
                                 var->green.length = 6;
                                 var->blue.offset = 0;
                                 var->blue.length = 5;
+                                var->transp.offset = 0;
+                                var->transp.length = 0;
                                 break;
                 }
         }