cppcheck complains about shadowed variables:

sound/soc/codecs/wm8958-dsp2.c:926:27: style: Local variable 'control'
shadows outer variable [shadowVariable]

  struct snd_kcontrol_new control[] = {
                          ^
sound/soc/codecs/wm8958-dsp2.c:900:17: note: Shadowed declaration
 struct wm8994 *control = wm8994->wm8994;
                ^
sound/soc/codecs/wm8958-dsp2.c:926:27: note: Shadow variable
  struct snd_kcontrol_new control[] = {
                          ^
sound/soc/codecs/wm8958-dsp2.c:952:27: style: Local variable 'control'
shadows outer variable [shadowVariable]
  struct snd_kcontrol_new control[] = {
                          ^
sound/soc/codecs/wm8958-dsp2.c:900:17: note: Shadowed declaration
 struct wm8994 *control = wm8994->wm8994;
                ^
sound/soc/codecs/wm8958-dsp2.c:952:27: note: Shadow variable
  struct snd_kcontrol_new control[] = {
                          ^
sound/soc/codecs/wm8958-dsp2.c:978:27: style: Local variable 'control'
shadows outer variable [shadowVariable]
  struct snd_kcontrol_new control[] = {
                          ^
sound/soc/codecs/wm8958-dsp2.c:900:17: note: Shadowed declaration
 struct wm8994 *control = wm8994->wm8994;
                ^
sound/soc/codecs/wm8958-dsp2.c:978:27: note: Shadow variable
  struct snd_kcontrol_new control[] = {
                          ^
sound/soc/codecs/wm8958-dsp2.c:1006:27: style: Local variable
'control' shadows outer variable [shadowVariable]
  struct snd_kcontrol_new control[] = {
                          ^
sound/soc/codecs/wm8958-dsp2.c:900:17: note: Shadowed declaration
 struct wm8994 *control = wm8994->wm8994;
                ^
sound/soc/codecs/wm8958-dsp2.c:1006:27: note: Shadow variable
  struct snd_kcontrol_new control[] = {
                          ^

fix by adding a prefix related to each control.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20210311004332.120901-6-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>