From: Nishanth Menon <menon.nishanth@gmail.com>
To: Ram <vshrirama@gmail.com>
Cc: linux-omap-open-source@linux.omap.com
Subject: Re: I2C TWL4030 Keypad
Date: Sat, 17 Feb 2007 07:45:11 -0600 [thread overview]
Message-ID: <45D706E7.60301@gmail.com> (raw)
In-Reply-To: <8bf247760702160325m6624817bpbced2b76db9ae30a@mail.gmail.com>
Ram stated on 2/16/2007 5:25 AM:
> I also observe randomly (say 3 out of 10 times), my i2c bus times out and
> im unable to read or write TWL4030 registers. i get an return value of
> -110.
>
> i2c_omap i2c_omap.2: timeout waiting for bus ready
What is ur I2C speed configured? max u should be using is 2.6Mhz, u
could try and bump down to 400khz or so..further, which is the kernel
versions - this is not tested with rt patch..so there might be some
interesting things happening there.. :D
Regards,
Nishanth Menon
next prev parent reply other threads:[~2007-02-17 13:45 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-16 11:25 I2C TWL4030 Keypad Ram
2007-02-16 14:31 ` G, Manjunath Kondaiah
[not found] ` <8bf247760702160650s62d2b401lad8746881aedd2aa@mail.gmail.com>
2007-02-16 15:08 ` Ram
2007-02-16 15:38 ` Syed Mohammed, Khasim
2007-02-17 13:45 ` Nishanth Menon [this message]
[not found] ` <8bf247760702170604h5b2e210cibe4de58d4f898d74@mail.gmail.com>
2007-02-17 14:08 ` Nishanth Menon
2007-02-18 8:00 ` Setting the default state (high or low) of a pin zil iram
2007-02-26 17:38 ` I2C TWL4030 Keypad Cantu Castillo, Arturo
2007-02-27 6:20 ` Ram
2007-02-27 15:09 ` Syed Mohammed, Khasim
2007-02-28 1:00 ` Syed Mohammed, Khasim
-- strict thread matches above, loose matches on Subject: below --
2007-02-28 1:02 Syed Mohammed, Khasim
2007-02-28 1:05 Syed Mohammed, Khasim
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