ddc/ci over i2c

2014-07-08 Thread Sanford Rockowitz
I've been trying to use i2c-dev to read and control monitor settings, using the DDC/CI protocol to communicate with address 0x37 on device /dev/i2c-n. Things are sort of working (details below), But it's not clear to me to what extent I'm hitting real limits, or if I just don't know what I'm

Re: [PATCH v2] i2c: stub: Add support for SMBus block commands

2014-07-08 Thread Jean Delvare
Hi Guenter, On Mon, 7 Jul 2014 07:23:03 -0700, Guenter Roeck wrote: SMBus block commands are different to I2C block commands since the returned data is not normally accessible with byte or word commands on other command offsets. Add linked list of 'block' commands to support those commands.

Re: [PATCH v2] i2c: stub: Add support for SMBus block commands

2014-07-08 Thread Guenter Roeck
Hi Jean, On 07/08/2014 12:54 PM, Jean Delvare wrote: Hi Guenter, On Mon, 7 Jul 2014 07:23:03 -0700, Guenter Roeck wrote: SMBus block commands are different to I2C block commands since the returned data is not normally accessible with byte or word commands on other command offsets. Add linked

Re: ddc/ci over i2c

2014-07-08 Thread Jean Delvare
Hi Sanford, On Tue, 08 Jul 2014 03:35:39 -0700, Sanford Rockowitz wrote: I've been trying to use i2c-dev to read and control monitor settings, using the DDC/CI protocol to communicate with address 0x37 on device /dev/i2c-n. Things are sort of working (details below), But it's not clear to