On 7 May 2010 05:12, Dr. H. Nikolaus Schaller <h...@computer.org> wrote: > Hi, > > Am 05.05.2010 um 02:32 schrieb Graham Gower: > >> On 4 May 2010 23:23, Dr. H. Nikolaus Schaller <h...@computer.org> wrote: >>>> >>>> Sound? >>> >>> Ruben told that it may crash the kernel. I have not yet tried anything >>> with >>> sound. But I know some spurious write errors to I2C address 0x13. That >>> may > > I found that these errors come from the ak4642en driver. > > Ruben has reported > (http://projects.kwaak.net/twiki/bin/view/Epc700/KernelPort26Compiling) he > has modified the /sound/oss/ak4642en.c to make it working (partially). > > When looking into the code, I can see that the driver is unsuccessfully > trying to access a i2c device at bus address 0x13. According to the data > sheet the ak4642 address can be programmed between 0x12 and 0x13 by an > external pin. Nevertheless, i2cdetect doesn't report a response and i2cget > returns a read error (at least on my device - but I can't exclude a hardware > defect). > > How is this related to the jz_ac97 driver? >
Its not, apparently. I foolishly assumed that your mipsbook had the same hardware as Ingenic's libra and pmp dev boards - i.e. a ucb1400 attached to the ac97 bus. -Graham _______________________________________________ Mipsbook-devel mailing list Mipsbook-devel@linuxtogo.org http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/mipsbook-devel
