Hi,
Carsten Behling wrote on 2011-12-28:
I've tested this driver with the pca953x GPIO expander driver with a PCA9554.
In the case of 8 GPIO pins (my case) i2c_smbus_read_byte_data(...)
[...]
I observed that reading out the GPIO status is one read delayed.
The first read to a register from
...@lists.infradead.org;
linux-ker...@vger.kernel.org; ben-li...@fluff.org; Carsten Behling
Betreff: Re: [PATCH v7 0/5] AT91: replace broken TWI driver i2c-at91.c
Hi,
I've tested this driver on a 2.6.38 kernel with several i2c clients
(temp-sensor, audio-codec, touchscreen-controller, w1-bridge,
io-expanders
Hi,
I've tested this driver on a 2.6.38 kernel with several i2c clients
(temp-sensor, audio-codec, touchscreen-controller, w1-bridge,
io-expanders) and works without problems. SoC: at91sam9g45
Because of the 2.6.38 kernel, I had to skip [PATCH v7 2/5] Replace
clk_lookup.con_id with
On Wed, Nov 23, 2011 at 04:35:55PM +0100, Nikolaus Voss wrote:
The old driver has two main deficencies:
i) No repeated start (Sr) condiction is possible, this makes it unusable
e.g. for most SMBus transfers.
ii) I/O was done with polling/busy waiting what caused over-/underruns
even
Hi,
Ben Dooks wrote on 2011-11-24:
On Wed, Nov 23, 2011 at 04:35:55PM +0100, Nikolaus Voss wrote:
The old driver has two main deficencies:
i) No repeated start (Sr) condiction is possible, this makes it unusable
e.g. for most SMBus transfers.
ii) I/O was done with polling/busy
