On Mon, Jan 01, 2018 at 07:39:52PM +0100, Maciej S. Szmigiero wrote:
> > /* The slot number should be >= 2 if using Network mode or I2S mode */
> > - regmap_read(regs, REG_SSI_SCR, &val);
> > - val &= SSI_SCR_I2S_MODE_MASK | SSI_SCR_NET;
> > - if (val && slots < 2) {
> > + if (ssi->i2s_net && slots < 2) {
> > dev_err(dai->dev, "slot number should be >= 2 in I2S or NET\n");
> > return -EINVAL;
> > }
>
> Are you sure that ssi->i2s_net SSI_SCR_I2S_MODE_MASK | SSI_SCR_NET bits
> (also known as SSI_SCR_I2S_NET_MASK) zero or non-zero status is always
> consistent with that in the SCR register?
>
> I can see that in fsl_ssi_hw_params() these bits in SCR are zeroed in
> a one special case and in the second special case they are hardcoded
> to SSI_SCR_I2S_MODE_NORMAL | SSI_SCR_NET, in both cases regardless of
> what is currently in ssi->i2s_net.
You are right. I should update the i2s_net in hw_params() too. Thanks!
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