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From: Michael Post <michael_post-S0/GAf8tV78@public.gmane.org>
To: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: Driver-Support of I2C_M_RECV_LEN
Date: Fri, 04 Jul 2014 09:39:11 +0200	[thread overview]
Message-ID: <53B65A1F.7000501@web.de> (raw)
In-Reply-To: <53A42321.5020701-S0/GAf8tV78@public.gmane.org>

Hello together,

Am 20.06.14 14:03, schrieb Michael Post:
> Hello,
> 
> in the documentation i found at
> http://ww2.cs.fsu.edu/~rosentha/linux/2.6.26.5/docs/DocBook/kernel-api/re1222.html
> the following sentence:
> 
> "Note that using this function requires that the client's adapter
> support the I2C_FUNC_SMBUS_READ_BLOCK_DATA functionality. Not all
> adapter drivers support this; its emulation through I2C messaging relies
> on a specific mechanism (I2C_M_RECV_LEN) which may not be implemented."
> 
> The second sentence says that the mechanism I2C_M_RECV_LEN is not all
> over implemented.
> 
> How i can figure out whether this mechanism will be provided of my driver?
> What is the alternative of using the function i2c_smbus_read_block_data?

does nobody has any clue or hints for me?
Maybe there is an other mailinglist i can ask?

Thanks a lot,

Michael

  parent reply	other threads:[~2014-07-04  7:39 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-20 12:03 Driver-Support of I2C_M_RECV_LEN Michael Post
     [not found] ` <53A42321.5020701-S0/GAf8tV78@public.gmane.org>
2014-07-04  7:38   ` Michael Post
2014-07-04  7:39   ` Michael Post [this message]
2014-07-04  7:58   ` Wolfram Sang

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