drm/nouveau/i2c: modify aux interface to return length actually transferred

Apparently sinks are allows to respond with ACK even if they didn't
fully complete a transaction...  It seems like a missed opportunity
for DEFER to me, but what do I know :)

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2017-03-01 09:01:08 +10:00
commit 1af5c410cc
7 changed files with 29 additions and 26 deletions