Interesting thing. Tested on 14.04.02 (added "print(i2c_bus_name)" line for debug):
$ uname -a Linux mik-laptop-origin 3.16.0-31-generic #43~14.04.1-Ubuntu SMP Tue Mar 10 20:13:38 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
$ sudo init-headphone [sudo] password for mik: i915 gmbus ssc i915 gmbus vga i915 gmbus panel i915 gmbus dpc i915 gmbus dpb i915 gmbus dpd DPDDC-A DPDDC-C Can't find i2c bus. Make sure that all required modules are loaded.
Interesting thing. Tested on 14.04.02 (added "print( i2c_bus_ name)" line for debug):
$ uname -a
Linux mik-laptop-origin 3.16.0-31-generic #43~14.04.1-Ubuntu SMP Tue Mar 10 20:13:38 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
$ sudo init-headphone
[sudo] password for mik:
i915 gmbus ssc
i915 gmbus vga
i915 gmbus panel
i915 gmbus dpc
i915 gmbus dpb
i915 gmbus dpd
DPDDC-A
DPDDC-C
Can't find i2c bus. Make sure that all required modules are loaded.