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[PATCH] fix black/white-only svideo input in vpx3220 decoder 

Fix the fact that the svideo input will only give input in black/white in
some circumstances.  Reason is that in the PCI controller driver (zr36067),
after setting input, we reset norm, which overwrites the input register
with the default.  This patch makes it always set the correct value for the
input when changing norm.

Signed-off-by: Ronald S. Bultje <rbultje@ronald.bitfreak.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Ronald S. Bultje 2005-10-16 20:29:25 -07:00 committed by Linus Torvalds
parent 9b3acc21d7
commit de21eb63ad
1 changed files with 10 additions and 0 deletions
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10
drivers/media/video/vpx3220.c
View File

@ -408,6 +408,12 @@ vpx3220_command (struct i2c_client *client,
case DECODER_SET_NORM:
{
int *iarg = arg, data;
int temp_input;
/* Here we back up the input selection because it gets
overwritten when we fill the registers with the
choosen video norm */
temp_input = vpx3220_fp_read(client, 0xf2);
dprintk(1, KERN_DEBUG "%s: DECODER_SET_NORM %d\n",
I2C_NAME(client), *iarg);
@ -447,6 +453,10 @@ vpx3220_command (struct i2c_client *client,
}
decoder->norm = *iarg;
/* And here we set the backed up video input again */
vpx3220_fp_write(client, 0xf2, temp_input | 0x0010);
udelay(10);
}
break;