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CCS/TMS320C5534: c5534 usb driver issue

Part Number: TMS320C5534

Recently we received a feedback from a customer that when the USB speakerphone (C5534 CHIP) connects to an Android terminal, the driver recognition goes too slowly, every time after connected via USB, it takes about 40-50 seconds to get the driver recognized.  Regarding this problem, the customer requires us to optimize it to be within 10 seconds. The customer also tested products such as Jabra, Conexant and C-Media, the driver can be recognized right after connected via USB with their Android terminal.

Please provide some help to solve this problem and make the driver of C5534 be recognized within 10s by terminals.