drm/i2c: tda998x: remove the unused variable ca_i2s

ca_i2s is only ever written to, but never read, so let's get rid of it.

Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
1 file changed