If cs35l35->pdata.stereo is false then "ret" isn't initialized.
Fixes: 6387f866a2cc ("ASoC: Add support for Cirrus Logic CS35L35 Amplifier") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Paul Handrigan <Paul.Handrigan@cirrus.com> Signed-off-by: Mark Brown <broonie@kernel.org>