This driver specified the maximum value rather than the number of volume
levels on the SX controls, this is incorrect, so correct them.
Reported-by: NDavid Rhodes <david.rhodes@cirrus.com>
Signed-off-by: NCharles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20220602162119.3393857-4-ckeepax@opensource.cirrus.comSigned-off-by: NMark Brown <broonie@kernel.org>