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| author | Dmitry Belimov <d.belimov@gmail.com> | 2008-04-23 19:07:09 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-04-24 19:09:46 +0200 |
| commit | 8fb737b7dc94e495be02c775afe1e7de0e06f3f5 (patch) | |
| tree | 8136da08d833f128a4ebf80c4b781241e2d0bdd5 /drivers/media/video/saa7134/saa7134-i2c.c | |
| parent | V4L/DVB (7675): tea5767 autodetection is not working on some saa7134 boards (diff) | |
| download | linux-8fb737b7dc94e495be02c775afe1e7de0e06f3f5.tar.xz linux-8fb737b7dc94e495be02c775afe1e7de0e06f3f5.zip | |
V4L/DVB (7676): saa7134: fix: Properly handle busy states on i2c bus
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>
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-i2c.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-i2c.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/video/saa7134/saa7134-i2c.c b/drivers/media/video/saa7134/saa7134-i2c.c index ba71dd0040be..2ccfaba0c490 100644 --- a/drivers/media/video/saa7134/saa7134-i2c.c +++ b/drivers/media/video/saa7134/saa7134-i2c.c @@ -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; |