ASoC: tegra: remove open-coded clk reference counting

clk_enable/disable() already reference count the enable calls, so there's
no need for the callers to do the same.

Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/tegra/tegra_i2s.c b/sound/soc/tegra/tegra_i2s.c
index d66e509..2d32b8c 100644
--- a/sound/soc/tegra/tegra_i2s.c
+++ b/sound/soc/tegra/tegra_i2s.c
@@ -220,8 +220,7 @@
 	if (i2sclock % (2 * srate))
 		reg |= TEGRA_I2S_TIMING_NON_SYM_ENABLE;
 
-	if (!i2s->clk_refs)
-		clk_enable(i2s->clk_i2s);
+	clk_enable(i2s->clk_i2s);
 
 	tegra_i2s_write(i2s, TEGRA_I2S_TIMING, reg);
 
@@ -229,8 +228,7 @@
 		TEGRA_I2S_FIFO_SCR_FIFO2_ATN_LVL_FOUR_SLOTS |
 		TEGRA_I2S_FIFO_SCR_FIFO1_ATN_LVL_FOUR_SLOTS);
 
-	if (!i2s->clk_refs)
-		clk_disable(i2s->clk_i2s);
+	clk_disable(i2s->clk_i2s);
 
 	return 0;
 }
@@ -268,9 +266,7 @@
 	case SNDRV_PCM_TRIGGER_START:
 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
 	case SNDRV_PCM_TRIGGER_RESUME:
-		if (!i2s->clk_refs)
-			clk_enable(i2s->clk_i2s);
-		i2s->clk_refs++;
+		clk_enable(i2s->clk_i2s);
 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 			tegra_i2s_start_playback(i2s);
 		else
@@ -283,9 +279,7 @@
 			tegra_i2s_stop_playback(i2s);
 		else
 			tegra_i2s_stop_capture(i2s);
-		i2s->clk_refs--;
-		if (!i2s->clk_refs)
-			clk_disable(i2s->clk_i2s);
+		clk_disable(i2s->clk_i2s);
 		break;
 	default:
 		return -EINVAL;