ASoC: Tegra: Harmony: Remove redundant !!

gpio_set_value* should accept logic values not just 0 or 1. The WM8903 GPIO
driver has been fixed to work this way, so remove the redundant !!
previously required when it didn't accept values >1.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

sound/soc/tegra/harmony.c

@@ -132,7 +132,7 @@ static int harmony_event_int_spk(struct snd_soc_dapm_widget *w,
 	struct harmony_audio_platform_data *pdata = harmony->pdata;
 
 	gpio_set_value_cansleep(pdata->gpio_spkr_en,
-				!!SND_SOC_DAPM_EVENT_ON(event));
+				SND_SOC_DAPM_EVENT_ON(event));
 
 	return 0;
 }