ASoC: wcd938x: Fix jack detection issue

This patch is to fix audio 3.5mm jack detection failure
on wcd938x codec based target.

Fixes: bcee7ed (ASoC: codecs: wcd938x: add Multi Button Headset Control support)

Signed-off-by: Venkata Prasad Potturu <potturu@codeaurora.org>
Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/1633614619-27026-1-git-send-email-srivasam@codeaurora.org
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/wcd938x.c

@@ -4144,10 +4144,10 @@ static int wcd938x_codec_set_jack(struct snd_soc_component *comp,
 {
 	struct wcd938x_priv *wcd = dev_get_drvdata(comp->dev);
 
-	if (!jack)
+	if (jack)
 		return wcd_mbhc_start(wcd->wcd_mbhc, &wcd->mbhc_cfg, jack);
-
-	wcd_mbhc_stop(wcd->wcd_mbhc);
+	else
+		wcd_mbhc_stop(wcd->wcd_mbhc);
 
 	return 0;
 }