[alsa-devel] [PATCH 1/2] ASoC: fsl_ssi: Add driver suspend and resume to support MEGA Fast

[Timur Tabi]

On Jul 6, 2015, at 4:49 AM, Zidan Wang wrote:

> +static bool fsl_ssi_readable_reg(struct device *dev, unsigned int reg)
> +{
> +	switch (reg) {
> +	case CCSR_SSI_STX0:
> +	case CCSR_SSI_STX1:
> +	case CCSR_SSI_SRX0:
> +	case CCSR_SSI_SRX1:
> +	case CCSR_SSI_SCR:
> +	case CCSR_SSI_SISR:
> +	case CCSR_SSI_SIER:
> +	case CCSR_SSI_STCR:
> +	case CCSR_SSI_SRCR:
> +	case CCSR_SSI_STCCR:
> +	case CCSR_SSI_SRCCR:
> +	case CCSR_SSI_SFCSR:
> +	case CCSR_SSI_STR:
> +	case CCSR_SSI_SOR:
> +	case CCSR_SSI_SACNT:
> +	case CCSR_SSI_SACADD:
> +	case CCSR_SSI_SACDAT:
> +	case CCSR_SSI_SATAG:
> +	case CCSR_SSI_STMSK:
> +	case CCSR_SSI_SRMSK:
> +	case CCSR_SSI_SACCST:
> +	case CCSR_SSI_SACCEN:
> +	case CCSR_SSI_SACCDIS:
> +		return true;
> +	default:
> +		return false;
> +	}
> +}

This should be the other way around: return true by default, and false it is one of the few registers that is not readable.