diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2012-01-01 17:45:43 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-01-06 13:40:54 +0100 |
| commit | 0218d53a12a1b90d261b6f9cf0a4cee38d230916 (patch) | |
| tree | a8506abeb6413308ce21bc23f7753df932e64394 /drivers/media/video/gspca/ov519.c | |
| parent | [media] gspca_pac7302: Add usb-id for 145f:013c (diff) | |
| download | linux-0218d53a12a1b90d261b6f9cf0a4cee38d230916.tar.xz linux-0218d53a12a1b90d261b6f9cf0a4cee38d230916.zip | |
[media] gscpa_ov519: Fix the bandwidth calc for enabling compression
Somehow the code has ended up assuming 1400 packets/sec which of course
is wrong for usb1 devices like the ov511 cameras. usb1 only does 1000
(isoc) packets / sec.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/gspca/ov519.c')
| -rw-r--r-- | drivers/media/video/gspca/ov519.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/media/video/gspca/ov519.c b/drivers/media/video/gspca/ov519.c index 3d68ad5015d5..1075668db296 100644 --- a/drivers/media/video/gspca/ov519.c +++ b/drivers/media/video/gspca/ov519.c @@ -3683,8 +3683,8 @@ static void ov511_mode_init_regs(struct sd *sd) /* Check if we have enough bandwidth to disable compression */ fps = (interlaced ? 60 : 30) / (sd->clockdiv + 1) + 1; needed = fps * sd->gspca_dev.width * sd->gspca_dev.height * 3 / 2; - /* 1400 is a conservative estimate of the max nr of isoc packets/sec */ - if (needed > 1400 * packet_size) { + /* 1000 isoc packets/sec */ + if (needed > 1000 * packet_size) { /* Enable Y and UV quantization and compression */ reg_w(sd, R511_COMP_EN, 0x07); reg_w(sd, R511_COMP_LUT_EN, 0x03); |