From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Post Subject: Re: Driver-Support of I2C_M_RECV_LEN Date: Fri, 04 Jul 2014 09:38:30 +0200 Message-ID: <53B659F6.4070005@web.de> References: <53A42321.5020701@web.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <53A42321.5020701-S0/GAf8tV78@public.gmane.org> Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-i2c@vger.kernel.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 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 -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.22 (Darwin) Comment: GPGTools - http://gpgtools.org Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBCgAGBQJTtln2AAoJEFF6fE6T32A87NkH/3f2pslue7/oYiIiZ8PlKway C9hOI02EEX0Z+sxB31ZTMyis2VxGFmZ3VGp4sSpiPv2iK9huMYmeVV0a2a+J0MLg wmObCFRUZVN85lLqau+nEuqNMHSVYpYedHovC3Ui3rTHZNDM3pWJSDBy5dFG57d2 TE6Jae6Q31/hRn8gq106XmRdtYgKmzCfmfjRwYyBt0tYH2vQ43xhJQ3zGZCuKJ5O xjY4em5jLWv+oiWi/HAkXFqfC4GskklBcn77K9TDEuw+oXkeF8Re4JPmvOBKxrQA O+a246FVyyrKHs7VKXXAORX+Ty/q2QtP+dbFk9M0Uo0M0Xi17QhJ8TsUwQViFV4= =gIOJ -----END PGP SIGNATURE-----