ASoC: esai: use the precise definition of 'ret'.
ASoC: esai: use the precise definition of 'ret'.

Use the precise definition of 'ret', which will be used for
the error check.

Signed-off-by: Xiubo Li <cf2f21a5d63bafab3dac1a48e01d31cd0b77ab89@freescale.com>
Acked-by: Nicolin Chen <a732eb004e1c73a1c2f989fe63316c8e54cf6d26@freescale.com>
Signed-off-by: Mark Brown <b51b9a92386687a9ac927cebfa0f978adeb8cea5@linaro.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs