ASoC: amd: fix for pcm_read() error

[linux-2.6-microblaze.git] / sound / soc / amd / raven / pci-acp3x.c

diff --git a/sound/soc/amd/raven/pci-acp3x.c b/sound/soc/amd/raven/pci-acp3x.c
index d3536fd..a013a60 100644 (file)
--- a/sound/soc/amd/raven/pci-acp3x.c
+++ b/sound/soc/amd/raven/pci-acp3x.c
@@ -76,6 +76,19 @@ static int acp3x_reset(void __iomem *acp3x_base)
        return -ETIMEDOUT;
 }
 
+static void acp3x_enable_interrupts(void __iomem *acp_base)
+{
+       rv_writel(0x01, acp_base + mmACP_EXTERNAL_INTR_ENB);
+}
+
+static void acp3x_disable_interrupts(void __iomem *acp_base)
+{
+       rv_writel(ACP_EXT_INTR_STAT_CLEAR_MASK, acp_base +
+                 mmACP_EXTERNAL_INTR_STAT);
+       rv_writel(0x00, acp_base + mmACP_EXTERNAL_INTR_CNTL);
+       rv_writel(0x00, acp_base + mmACP_EXTERNAL_INTR_ENB);
+}
+
 static int acp3x_init(struct acp3x_dev_data *adata)
 {
        void __iomem *acp3x_base = adata->acp3x_base;
@@ -93,6 +106,7 @@ static int acp3x_init(struct acp3x_dev_data *adata)
                pr_err("ACP3x reset failed\n");
                return ret;
        }
+       acp3x_enable_interrupts(acp3x_base);
        return 0;
 }
 
@@ -100,6 +114,7 @@ static int acp3x_deinit(void __iomem *acp3x_base)
 {
        int ret;
 
+       acp3x_disable_interrupts(acp3x_base);
        /* Reset */
        ret = acp3x_reset(acp3x_base);
        if (ret) {