Fix the following checkpatch warnings

  WARNING: sizeof *cs should be sizeof(*cs)
  WARNING: please, no space before tabs
  WARNING: space prohibited between function name and open parenthesis '('
  WARNING: line over 80 characters
Signed-off-by: NJingoo Han <jg1.han@samsung.com>
Signed-off-by: NMark Brown <broonie@linaro.org>