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authorHerton Ronaldo Krzesinski <herton@mandriva.com.br>2010-03-19 14:58:23 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-05-19 12:57:13 -0300
commit0a062033f727dc041691bfd768f4cf0598f559a1 (patch)
tree8d909009ef123050590054de96458c4706a7c7c4 /drivers/media/video/s2255drv.c
parent2b0691cfc714a0f4dff582c913de1a3a68cb38a7 (diff)
Revert "V4L/DVB (11906): saa7134: Use v4l bounding/alignment function"
This reverts commit bc52d6eb44de8f19934768d4d10d19fdbdc99950. On newer kernels, a saa7134 board stopped to display TV video output properly. After a bisect, I found it as the commit causing the issue. Turns out that v4l_bound_align_image isn't doing the same bounding calculation as manually done previously in saa7134_try_fmt_vid_cap. What isn't equal is the calculation done in clamp align, while previously it did "f->fmt.pix.width &= ~0x03", clamp_align function does "Round to nearest aligned value" as stated in the comment, which yields a different result. If I comment the round calculation in clamp_align like this: "x = (x /*+ (1 << (align - 1))*/) & mask", I get it fixed too, because this way the calculation is the same then. Signed-off-by: Herton Ronaldo Krzesinski <herton@mandriva.com.br> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/s2255drv.c')
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