Re: [RFC PATCH 05/34] ASoC: sun8i-codec: Remove incorrect SND_SOC_DAIFMT_DSP_B

From: Mark Brown
Date: Mon Feb 17 2020 - 10:02:13 EST

On Mon, Feb 17, 2020 at 12:42:21AM -0600, Samuel Holland wrote:
> DSP_A and DSP_B are not interchangeable. The timing used by the codec in
> DSP mode is consistent with DSP_A. This is verified with an EG25-G modem
> connected to AIF2, as well as by comparing with the BSP driver.
> Remove the DSP_B option, as it is not supported by the hardware.
> Cc: stable@xxxxxxxxxx
> Fixes: 36c684936fae ("ASoC: Add sun8i digital audio codec")

This can only break things for existing systems using stable, if they
haven't noticed a problem with DSP B they'll certainly notice failing to
set up the DAI at all without it.

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