On Wed, Jul 07, 2021 at 11:26:15AM +0530, Vijendar Mukunda wrote: > +#define I2S_MODE 0x00 > +#define ACP5x_I2S_MODE 0x00 All the other constants are namespaced so why the plain I2S_MODE? > + val = acp_readl(adata->acp5x_base + ACP_PIN_CONFIG); > + switch (val) { > + case I2S_MODE: ... > + break; > + default: > + dev_info(&pci->dev, "ACP audio mode : %d\n", val); > + } Given that anything other than I2S is basically unhandled should we perhaps print an error rather than just an info message?