i2c_read: implement support for master receive mode
If no start register is explicitly given, receive data in master
receive mode.

Signed-off-by: Aleksander Morgado <aleksander@aleksander.es>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 0657fdc commit 079f92099a694544a04e619a3748da3defe4f4b4
@Aleksander Morgado Aleksander Morgado authored on 21 Aug 2018
Sascha Hauer committed on 22 Aug 2018
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commands/i2c.c