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When changing the sample rate, the CMI8788's master clock output becomes unstable for a short time. The AK4396 needs the master clock to do SPI writes, so writing to an AK4396 control register directly after a sample rate change will garble the value. In our case, this leads to the DACs being misconfigured to I2S sample format, which results in a wrong output level and horrible distortions on samples louder than -6 dB. To fix this, we need to wait until the new master clock signal has become stable before doing SPI writes. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Takashi Iwai <tiwai@suse.de> |
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| .. | ||
| Makefile | ||
| ak4396.h | ||
| cm9780.h | ||
| cs4362a.h | ||
| cs4398.h | ||
| hifier.c | ||
| oxygen.c | ||
| oxygen.h | ||
| oxygen_io.c | ||
| oxygen_lib.c | ||
| oxygen_mixer.c | ||
| oxygen_pcm.c | ||
| oxygen_regs.h | ||
| pcm1796.h | ||
| virtuoso.c | ||
| wm8785.h | ||