I2S_TXCR_CSR_SHIFT   21 sound/soc/rockchip/rockchip_i2s.h #define I2S_TXCR_CSR(x)		(x << I2S_TXCR_CSR_SHIFT)
I2S_TXCR_CSR_SHIFT   22 sound/soc/rockchip/rockchip_i2s.h #define I2S_TXCR_CSR_MASK	(3 << I2S_TXCR_CSR_SHIFT)