On Tue, Oct 02, 2018 at 11:41:34AM +0100, Richard Fitzgerald wrote: > It isn't safe to read the device ID in the SOFTWARE_RESET > register until the silicon boot sequence has completed. This > patch rearranges the code to wait until BOOT_DONE is set. > > If we don't have a hard reset line we want to defer writing a > soft reset command until we have identified the silicon as > something we recognize. As the BOOT_DONE bit is sticky it is > safe to wait for it without issuing a soft reset first, because > the most recent power-up will have caused a boot sequence and > set the bit. Note that the boot sequence is not the same as a > reset so we still have to soft reset to get the codec into a > known state. > > Signed-off-by: Stuart Henderson <[email protected]> > Signed-off-by: Richard Fitzgerald <[email protected]> > ---
Reviewed-by: Charles Keepax <[email protected]> Thanks, Charles
