173b77e8d8
For platform with auto restart support, between every transfer, i2c controller will trigger an interrupt and SW need to handle it to start new transfer. When doing write-then-read transfer, instead of restart mechanism, using WRRD mode to have controller send both transfer in one request to reduce latency. Signed-off-by: Liguo Zhang <liguo.zhang@mediatek.com> Reviewed-by: Eddie Huang <eddie.huang@mediatek.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>