soundwire: qcom: wait for fifo space to be available before read/write

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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.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20210401090058.24041-1-srinivas.kandagatla@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>

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Srinivas Kandagatla 2021-04-01 10:00:58 +01:00 • committed by Vinod Koul

parent eb5a909441

commit a661308c34

1 changed files with 66 additions and 0 deletions

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drivers/soundwire/qcom.c

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