I am using Gumstix Overo processor board and Summit
base board. I have interfaced a camera board to the 27-Pin camera connector on
the Overo board through the FPC cable provided by Gumstix.
When I try to insert my driver (which actually
dumps some registers to my camera module through I2C), I am getting following
i2c_omap i2c_omap.3: controller timed
When I probe the I2C lines, SDA is going low
(trying to generate START on I2C) but after that nothing is happening on SCL
line (always high). After 100us SDA also goes high.
This behaviour is inconsistent i.e. sometimes I2C
works normally but sometimes it fails with this error and once it fails it never
recovers from the error condition until a hard reboot is given.
Has anyone else faced this problem before? What can
be the reason for this?
Are there any other devices on I2C3 on overo
I have got the kernel from open embedded
distribution network and kernel version is 2.6.30 and using 400kHz speed for
Can anybody help?
Thanks in advance for your help.
Vinod Kumar | Hardware Engineer | Phone:
+91-44-42868578 | Mobile: +91-9884683041 | Email: email@example.com
India Pvt. Ltd. | New No.82-A, (Old No.40) First Main Road, C.I.T. Nagar,
Nandanam, Chennai (India) - 600035 | www.e-consystems.com