In some projects, the device ID register is not read correctly.
This patch helps to verify the issue is caused from i2c host or client.

Signed-off-by: Derek Fang <derek.fang@realtek.com>
Link: https://lore.kernel.org/r/20201209091308.2823-1-derek.fang@realtek.com


Signed-off-by: Mark Brown <broonie@kernel.org>