Re: [PATCH v4 1/1] Input: atmel_mxt_ts - implement I2C retries

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Jiada,

On Sat, Sep 12, 2020 at 09:55:21AM +0900, Jiada Wang wrote:
> From: Nick Dyer <nick.dyer@xxxxxxxxxxx>
> 
> Some maXTouch chips (eg mXT1386) will not respond on the first I2C request
> when they are in a sleep state. It must be retried after a delay for the
> chip to wake up.

Do we know when the chip is in sleep state? Can we do a quick I2C
transaction in this case instead of adding retry logic to everything? Or
there is another benefit for having such retry logic?

Thanks.

-- 
Dmitry



[Index of Archives]     [Linux Media Devel]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Linux Wireless Networking]     [Linux Omap]

  Powered by Linux