Heiko, ? 2016?01?07? 18:05, Heiko Stuebner ??: > Hi Caesar, > > Am Donnerstag, 7. Januar 2016, 16:25:47 schrieb Caesar Wang: >> SCLk_I2S_OUT is the noc bus clock for i2s module, this clock is used by >> extra codecs. >> >> Due to it shouldn't belong to any driver, but we need it enabled, >> so just mark it as the CLK_IGNORE_UNUSED flag. > What makes you think it shouldn't belong to any driver? > > In most schematics I have, i2s_clkout is going to some clock-input of the > audio codec - probably the MCLK input on your rt5616. And while the new > rt5616 driver does not seem to do clock handling, it should just handle the > clock using the normal APIs. You are right, that's seem has to find the root cause. I'm wonder that the codec/i2s is working in kernel v4.1 patch without it. In general, the MLCK will be handled in i2s driver if the cpu side is master. > > > Heiko > > _______________________________________________ > Linux-rockchip mailing list > Linux-rockchip at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-rockchip -- Thanks, Caesar
