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path: root/drivers/media/video/cx88/cx88-core.c
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Diffstat (limited to 'drivers/media/video/cx88/cx88-core.c')
-rw-r--r--drivers/media/video/cx88/cx88-core.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/media/video/cx88/cx88-core.c b/drivers/media/video/cx88/cx88-core.c
index 2e145f0a5fd..fbcaa1c5b09 100644
--- a/drivers/media/video/cx88/cx88-core.c
+++ b/drivers/media/video/cx88/cx88-core.c
@@ -636,6 +636,9 @@ int cx88_reset(struct cx88_core *core)
cx_write(MO_PCI_INTSTAT, 0xFFFFFFFF); // Clear PCI int
cx_write(MO_INT1_STAT, 0xFFFFFFFF); // Clear RISC int
+ /* set default notch filter */
+ cx_andor(MO_HTOTAL, 0x1800, (HLNotchFilter4xFsc << 11));
+
/* Reset on-board parts */
cx_write(MO_SRST_IO, 0);
msleep(10);
@@ -759,8 +762,8 @@ int cx88_set_scale(struct cx88_core *core, unsigned int width, unsigned int heig
if (nocomb)
value |= (3 << 5); // disable comb filter
- cx_write(MO_FILTER_EVEN, value);
- cx_write(MO_FILTER_ODD, value);
+ cx_andor(MO_FILTER_EVEN, 0x7ffc7f, value); /* preserve PEAKEN, PSEL */
+ cx_andor(MO_FILTER_ODD, 0x7ffc7f, value);
dprintk(1,"set_scale: filter 0x%04x\n", value);
return 0;
@@ -994,10 +997,10 @@ int cx88_set_tvnorm(struct cx88_core *core, v4l2_std_id norm)
// htotal
tmp64 = norm_htotal(norm) * (u64)vdec_clock;
do_div(tmp64, fsc8);
- htotal = (u32)tmp64 | (HLNotchFilter4xFsc << 11);
+ htotal = (u32)tmp64;
dprintk(1,"set_tvnorm: MO_HTOTAL 0x%08x [old=0x%08x,htotal=%d]\n",
htotal, cx_read(MO_HTOTAL), (u32)tmp64);
- cx_write(MO_HTOTAL, htotal);
+ cx_andor(MO_HTOTAL, 0x07ff, htotal);
// vbi stuff, set vbi offset to 10 (for 20 Clk*2 pixels), this makes
// the effective vbi offset ~244 samples, the same as the Bt8x8