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| author | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-08-31 02:52:14 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2006-09-26 19:30:34 +0400 |
| commit | 66440ccbf2f4077ce59c9692a2c7288201ea0171 (patch) | |
| tree | 55f8be86a1387813b6891e0801dde63071e4d7a2 /drivers/media/video/saa7115.c | |
| parent | 4fcd7d8f7b6ce0a0adb3edd6d6edcbf2fd05a02b (diff) | |
| download | linux-66440ccbf2f4077ce59c9692a2c7288201ea0171.tar.xz | |
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.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/drivers/media/video/saa7115.c b/drivers/media/video/saa7115.c index 08a324f9a48d..987f540bc161 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) */ |