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path: root/drivers/video/modedb.c
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Diffstat (limited to 'drivers/video/modedb.c')
-rw-r--r--drivers/video/modedb.c33
1 files changed, 17 insertions, 16 deletions
diff --git a/drivers/video/modedb.c b/drivers/video/modedb.c
index 53427a734d4..61fc6cd25fc 100644
--- a/drivers/video/modedb.c
+++ b/drivers/video/modedb.c
@@ -668,7 +668,7 @@ done:
* @var: pointer to struct fb_var_screeninfo
*/
void fb_var_to_videomode(struct fb_videomode *mode,
- struct fb_var_screeninfo *var)
+ const struct fb_var_screeninfo *var)
{
u32 pixclock, hfreq, htotal, vtotal;
@@ -712,7 +712,7 @@ void fb_var_to_videomode(struct fb_videomode *mode,
* @mode: pointer to struct fb_videomode
*/
void fb_videomode_to_var(struct fb_var_screeninfo *var,
- struct fb_videomode *mode)
+ const struct fb_videomode *mode)
{
var->xres = mode->xres;
var->yres = mode->yres;
@@ -735,8 +735,8 @@ void fb_videomode_to_var(struct fb_var_screeninfo *var,
* RETURNS:
* 1 if equal, 0 if not
*/
-int fb_mode_is_equal(struct fb_videomode *mode1,
- struct fb_videomode *mode2)
+int fb_mode_is_equal(const struct fb_videomode *mode1,
+ const struct fb_videomode *mode2)
{
return (mode1->xres == mode2->xres &&
mode1->yres == mode2->yres &&
@@ -768,8 +768,8 @@ int fb_mode_is_equal(struct fb_videomode *mode1,
* var->xres and var->yres. If more than 1 videomode is found, will return
* the videomode with the highest refresh rate
*/
-struct fb_videomode *fb_find_best_mode(struct fb_var_screeninfo *var,
- struct list_head *head)
+const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var,
+ struct list_head *head)
{
struct list_head *pos;
struct fb_modelist *modelist;
@@ -806,8 +806,8 @@ struct fb_videomode *fb_find_best_mode(struct fb_var_screeninfo *var,
* If more than 1 videomode is found, will return the videomode with
* the closest refresh rate.
*/
-struct fb_videomode *fb_find_nearest_mode(struct fb_videomode *mode,
- struct list_head *head)
+const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode,
+ struct list_head *head)
{
struct list_head *pos;
struct fb_modelist *modelist;
@@ -845,8 +845,8 @@ struct fb_videomode *fb_find_nearest_mode(struct fb_videomode *mode,
* RETURNS:
* struct fb_videomode, NULL if none found
*/
-struct fb_videomode *fb_match_mode(struct fb_var_screeninfo *var,
- struct list_head *head)
+const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var,
+ struct list_head *head)
{
struct list_head *pos;
struct fb_modelist *modelist;
@@ -870,7 +870,7 @@ struct fb_videomode *fb_match_mode(struct fb_var_screeninfo *var,
* NOTES:
* Will only add unmatched mode entries
*/
-int fb_add_videomode(struct fb_videomode *mode, struct list_head *head)
+int fb_add_videomode(const struct fb_videomode *mode, struct list_head *head)
{
struct list_head *pos;
struct fb_modelist *modelist;
@@ -905,7 +905,8 @@ int fb_add_videomode(struct fb_videomode *mode, struct list_head *head)
* NOTES:
* Will remove all matching mode entries
*/
-void fb_delete_videomode(struct fb_videomode *mode, struct list_head *head)
+void fb_delete_videomode(const struct fb_videomode *mode,
+ struct list_head *head)
{
struct list_head *pos, *n;
struct fb_modelist *modelist;
@@ -941,7 +942,7 @@ void fb_destroy_modelist(struct list_head *head)
* @num: number of entries in array
* @head: struct list_head of modelist
*/
-void fb_videomode_to_modelist(struct fb_videomode *modedb, int num,
+void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num,
struct list_head *head)
{
int i;
@@ -954,12 +955,12 @@ void fb_videomode_to_modelist(struct fb_videomode *modedb, int num,
}
}
-struct fb_videomode *fb_find_best_display(struct fb_monspecs *specs,
- struct list_head *head)
+const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs,
+ struct list_head *head)
{
struct list_head *pos;
struct fb_modelist *modelist;
- struct fb_videomode *m, *m1 = NULL, *md = NULL, *best = NULL;
+ const struct fb_videomode *m, *m1 = NULL, *md = NULL, *best = NULL;
int first = 0;
if (!head->prev || !head->next || list_empty(head))