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[media] cx231xx: Clear avmode bits before setting

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We need to clear out the field before setting individual bits, or else we end
up with a union of whatever was there and what we are trying to set.  For
example, switching to digital mode ends up being 0x30 instead of 0x10 if we
were previously in analog tv mode.

Signed-off-by: Devin Heitmueller <dheitmueller@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Devin Heitmueller 2010-07-12 15:31:56 -03:00 committed by Mauro Carvalho Chehab
parent 435b4f7897
commit cc355753e8
1 changed files with 1 additions and 0 deletions
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drivers/media/video/cx231xx/cx231xx-avcore.c
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@ -2392,6 +2392,7 @@ int cx231xx_set_power_mode(struct cx231xx *dev, enum AV_MODE mode)
msleep(PWR_SLEEP_INTERVAL);
}
tmp &= (~PWR_AV_MODE);
tmp |= POLARIS_AVMODE_DIGITAL | I2C_DEMOD_EN;
value[0] = (u8) tmp;
value[1] = (u8) (tmp >> 8);