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V4L/DVB (7676): saa7134: fix: Properly handle busy states on i2c bus

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There are two conditions, reported by saa7134 that indicates that the I2C bus
is busy: TO_SCL and TO_ARB.

On both states, it needs to wait for I2C release, before using the bus.

Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Dmitry Belimov 2008-04-23 14:07:09 -03:00 committed by Mauro Carvalho Chehab
parent 548899c76e
commit 8fb737b7dc
1 changed files with 2 additions and 0 deletions
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2
drivers/media/video/saa7134/saa7134-i2c.c
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@ -140,6 +140,8 @@ static inline int i2c_is_busy(enum i2c_status status)
{
switch (status) {
case BUSY:
case TO_SCL:
case TO_ARB:
return true;
default:
return false;