input: touchscreen: identify ITE tech controller until ready
Identify the ITE tech controller until it is ready to do any
i2c transaction. This is needed for dynamic detection and to check
if ITE tech controller is connected or not.
CRs-Fixed: 980427
Change-Id: I9f69eb541e31de6a04db7468ca12a04a837d2b40
Signed-off-by:
Shantanu Jain <shjain@codeaurora.org>
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