Re: [PATCH v2 14/14] USB: ch341: implement tx_empty callback

From	Grigori Goronzy <greg@chown.ath.cx>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2 14/14] USB: ch341: implement tx_empty callback
Date	2016-04-06 20:10 +0200
Message-ID	<rl03U-7Xy-13@gated-at.bofh.it> (permalink)
References	<rjxnk-74U-23@gated-at.bofh.it> <rjSL9-60V-29@gated-at.bofh.it>
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On 04/03/2016 06:03 PM, Karl Palsson wrote:
> 
> Grigori Goronzy <greg@chown.ath.cx> wrote:
>> The status bit was found with USB captures of the Windows
>> driver and some luck. Tested on CH340G and CH341A.
> 
> By my reversing, bit 0x4, is "multiple status changes since last
> interrupt"
>

Thanks, I can add the definition.  However, I wonder what this is
actually good for.  We don't actually need this to see that there are
multiple status changes.  We can just look at the different bits.

Grigori

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[PATCH v2 14/14] USB: ch341: implement tx_empty callback Grigori Goronzy <greg@chown.ath.cx> - 2016-04-02 19:20 +0200
  Re: [PATCH v2 14/14] USB: ch341: implement tx_empty callback Karl Palsson <karlp@tweak.net.au> - 2016-04-03 18:10 +0200
    Re: [PATCH v2 14/14] USB: ch341: implement tx_empty callback Grigori Goronzy <greg@chown.ath.cx> - 2016-04-06 20:10 +0200

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