On 8/4/2017 4:44 PM, Felipe Balbi wrote:
> Hi,
> Sandeep Singh <sandeep.si...@amd.com> writes:
>> From: Sandeep Singh <sandeep.si...@amd.com>
>> Certain HP keyboards would keep inputting a character automatically which
>> is the wake-up key after S3 resume
>> On some AMD platforms USB host fails to respond (by holding resume-K) to
>> USB device (an HP keyboard) resume request within 1ms (TURSM) and ensures
>> that resume is signaled for at least 20 ms (TDRSMDN), which is defined in
>> USB 2.0 spec. The result is that the keyboard is out of function.
>> In SNPS USB design, the host responds to the resume request only after
>> system gets back to S0 and the host gets to functional after the internal
>> HW restore operation that is more than 1 second after the initial resume
>> request from the USB device.
>> As a workaround for specific keyboard ID(HP Keyboards), applying port reset
>> after resume when the keyboard is plugged in.
>> Signed-off-by: Sandeep Singh <sandeep.si...@amd.com>
>> Signed-off-by: Shyam Sundar S K <shyam-sundar....@amd.com>
>> cc: Nehal Shah <nehal-bakulchandra.s...@amd.com>
> seems correct now:
> Reviewed-by: Felipe Balbi <felipe.ba...@linux.intel.com>

Greg, Any feedback on this patch.?
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