The SAI and XCVR have the timestamp counters and bit counters, which can be used by software to track the progress of the transmitter and receiver. They can also be used to calculate the relative frequency of the bit clock against the bus interface clock.
Shengjiu Wang (2): ASoC: fsl_sai: add bitcount and timestamp controls ASoC: fsl_xcvr: add bitcount and timestamp controls sound/soc/fsl/fsl_sai.c | 52 +++++++++++++++++++++++++++++++++++++ sound/soc/fsl/fsl_xcvr.c | 56 ++++++++++++++++++++++++++++++++++++++++ sound/soc/fsl/fsl_xcvr.h | 10 +++++++ 3 files changed, 118 insertions(+) -- 2.34.1
