ASoC: rt5640: fix boolean assignments

Reported by Coccinelle:
sound/soc/codecs/rt5640.c:980:2-17: WARNING: Assignment of bool to 0/1
sound/soc/codecs/rt5640.c:984:2-17: WARNING: Assignment of bool to 0/1
sound/soc/codecs/rt5640.c:2825:1-16: WARNING: Assignment of bool to 0/1
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/rt5640.c

@@ -977,11 +977,11 @@ static int rt5640_hp_event(struct snd_soc_dapm_widget *w,
 	switch (event) {
 	case SND_SOC_DAPM_POST_PMU:
 		rt5640_pmu_depop(component);
-		rt5640->hp_mute = 0;
+		rt5640->hp_mute = false;
 		break;
 
 	case SND_SOC_DAPM_PRE_PMD:
-		rt5640->hp_mute = 1;
+		rt5640->hp_mute = true;
 		msleep(70);
 		break;
 
@@ -2822,7 +2822,7 @@ static int rt5640_i2c_probe(struct i2c_client *i2c,
 	regmap_update_bits(rt5640->regmap, RT5640_DUMMY1,
 				RT5640_MCLK_DET, RT5640_MCLK_DET);
 
-	rt5640->hp_mute = 1;
+	rt5640->hp_mute = true;
 	rt5640->irq = i2c->irq;
 	INIT_DELAYED_WORK(&rt5640->bp_work, rt5640_button_press_work);
 	INIT_WORK(&rt5640->jack_work, rt5640_jack_work);