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Merge remote-tracking branch 'asoc/fix/adsp' into asoc-next

Mark Brown 12 years ago
parent
commit
4d631a0bed
1 changed files with 11 additions and 3 deletions
  1. 11 3
      sound/soc/codecs/wm_adsp.c

+ 11 - 3
sound/soc/codecs/wm_adsp.c

@@ -103,9 +103,12 @@
 #define ADSP1_START_SHIFT                      0  /* DSP1_START */
 #define ADSP1_START_WIDTH                      1  /* DSP1_START */
 
-#define ADSP2_CONTROL  0
-#define ADSP2_CLOCKING 1
-#define ADSP2_STATUS1  4
+#define ADSP2_CONTROL        0x0
+#define ADSP2_CLOCKING       0x1
+#define ADSP2_STATUS1        0x4
+#define ADSP2_WDMA_CONFIG_1 0x30
+#define ADSP2_WDMA_CONFIG_2 0x31
+#define ADSP2_RDMA_CONFIG_1 0x34
 
 /*
  * ADSP2 Control
@@ -642,6 +645,11 @@ int wm_adsp2_event(struct snd_soc_dapm_widget *w,
 				   ADSP2_SYS_ENA | ADSP2_CORE_ENA |
 				   ADSP2_START, 0);
 
+		/* Make sure DMAs are quiesced */
+		regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_1, 0);
+		regmap_write(dsp->regmap, dsp->base + ADSP2_WDMA_CONFIG_2, 0);
+		regmap_write(dsp->regmap, dsp->base + ADSP2_RDMA_CONFIG_1, 0);
+
 		if (dsp->dvfs) {
 			ret = regulator_set_voltage(dsp->dvfs, 1200000,
 						    1800000);