i2c-algo-bit: Let user test buses without failing
authorJean Delvare <jdelvare@suse.de>
Sun, 30 Oct 2011 12:47:25 +0000 (13:47 +0100)
committerJean Delvare <khali@endymion.delvare>
Sun, 30 Oct 2011 12:47:25 +0000 (13:47 +0100)
commit1bddab7f7d5b61f17b0bbd669f60818d553620be
treefe2fe08e2027471e7c457bf0bf168e741d64ef7b
parent6fcf84a2c0d5f51a457555d76e037cf3cc85bc7a
i2c-algo-bit: Let user test buses without failing

Always failing to register I2C buses when the line testing fails is a
little harsh. While such a failure is definitely a bug in the driver
that exposes the affected I2C bus, things may still work fine if the
missing initialization steps are done later, before the I2C bus is
used. So it seems a better debugging tool to just report the test
failure by default. I introduce bit_test=2 if anyone really misses the
original behavior of bit_test=1.

Signed-off-by: Jean Delvare <jdelvare@suse.de>
Reviewed-by: Alex Deucher <alexdeucher@gmail.com>
drivers/i2c/algos/i2c-algo-bit.c