ASoC: wm5100: Make sure we switch to button reporting mode

When we have identified an accessory make sure we've flagged that we've
done so in order to make sure we always report buttons and don't continue
to polarity flip.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/codecs/wm5100.c

@@ -2183,6 +2183,7 @@ static void wm5100_micd_irq(struct snd_soc_codec *codec)
 		if (wm5100->jack_detecting) {
 			dev_dbg(codec->dev, "Microphone detected\n");
 			wm5100->jack_mic = true;
+			wm5100->jack_detecting = false;
 			snd_soc_jack_report(wm5100->jack,
 					    SND_JACK_HEADSET,
 					    SND_JACK_HEADSET | SND_JACK_BTN_0);
@@ -2221,6 +2222,7 @@ static void wm5100_micd_irq(struct snd_soc_codec *codec)
 					    SND_JACK_BTN_0);
 		} else if (wm5100->jack_detecting) {
 			dev_dbg(codec->dev, "Headphone detected\n");
+			wm5100->jack_detecting = false;
 			snd_soc_jack_report(wm5100->jack, SND_JACK_HEADPHONE,
 					    SND_JACK_HEADPHONE);