[PATCH v2] soundwire: qcom: wait for fifo space to be available before read/write

[Pierre-Louis Bossart]

On 4/1/21 4:00 AM, Srinivas Kandagatla wrote:
> If we write registers very fast we can endup in a situation where some
> of the writes will be dropped without any notice.
> 
> So wait for the fifo space to be available before reading/writing the
> soundwire registers.

Out of curiosity, do you actually need to do a check in the read case as 
well?

The commit message talks about writes getting dropped, is the opposite 
also a problem?