25 Jul
2012
25 Jul
'12
1:42 a.m.
On Tue, Jul 24, 2012 at 05:02:35PM -0500, Timur Tabi wrote:
Stephen Warren wrote:
Perhaps your board permanently ties the reset line to de-asserted, or the bootloader/... deasserts the codecs reset pin before the kernel boots?
Probably. We have a pretty sophisticate FPGA on our reference boards that handles a lot of stuff like this.
More likely it's just tied to whichever of ground or a supply holds the device out of reset, if it's the FPGA I'd expect you to have runtime control of it.