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authorMauro Carvalho Chehab <mchehab@infradead.org>2006-08-30 19:52:14 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2006-09-26 12:30:34 -0300
commit66440ccbf2f4077ce59c9692a2c7288201ea0171 (patch)
tree55f8be86a1387813b6891e0801dde63071e4d7a2 /drivers/media/video/saa7115.c
parent4fcd7d8f7b6ce0a0adb3edd6d6edcbf2fd05a02b (diff)
V4L/DVB (4565): Fix scaling calculus
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/saa7115.c')
-rw-r--r--drivers/media/video/saa7115.c16
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c
index 08a324f9a48..987f540bc16 100644
--- a/drivers/media/video/saa7115.c
+++ b/drivers/media/video/saa7115.c
@@ -1053,7 +1053,7 @@ static int saa711x_set_size(struct i2c_client *client, int width, int height)
int VSCY;
int res;
int is_50hz = state->std & V4L2_STD_625_50;
- int Vsrc = is_50hz ? 576 : 480;
+ int Vsrc = is_50hz ? 576 : 480+16;
v4l_dbg(1, debug, client, "decoder set size to %ix%i\n",width,height);
@@ -1082,22 +1082,14 @@ static int saa711x_set_size(struct i2c_client *client, int width, int height)
saa711x_write(client, R_CD_B_HORIZ_OUTPUT_WINDOW_LENGTH_MSB,
(u8) ((width >> 8) & 0xff));
- if (height == Vsrc) {
- /*FIXME: This code seems weird, however, this is how it is
- working right now.
- */
- res=height/2;
- if (!is_50hz)
- res+=8;
- } else
- res=height;
+ /* Vertical Scaling uses height/2 */
+ res=height/2;
/* height */
saa711x_write(client, R_CE_B_VERT_OUTPUT_WINDOW_LENGTH,
(u8) (res & 0xff));
saa711x_write(client, R_CF_B_VERT_OUTPUT_WINDOW_LENGTH_MSB,
- (u8) (res & 0xff));
-
+ (u8) ((res >> 8) & 0xff));
/* Scaling settings */
/* Hprescaler is floor(inres/outres) */