[RAMEN9610-14955] [COMMON] ASoC: abox: Clear UAIF path

If the UAIF is still running when entering into the sleep mode,
It occurs the pmucal timeout error.

Change-Id: I132dfb5814a590486703ce6872809cbe71aa952e
Signed-off-by: ShinHyung <s47.kang@samsung.com>

diff --git a/sound/soc/samsung/abox/abox.c b/sound/soc/samsung/abox/abox.c
index 7a25dee8b5c4b6e463132dad1c9a77cc4120e487..557fa1a93b8d659afafe21b8837268119cc88a12 100644 (file)
--- a/sound/soc/samsung/abox/abox.c
+++ b/sound/soc/samsung/abox/abox.c
@@ -5485,6 +5485,27 @@ static void abox_start_timer(struct abox_data *data)
        regmap_write(regmap, ABOX_TIMER_CTRL0(0), 1 << ABOX_TIMER_START_L);
 }
 
+static void abox_clear_bclk(struct device *dev, struct abox_data *data)
+{
+       int val, i, ret, mask;
+       struct regmap *regmap = data->regmap;
+
+       mask = (ABOX_SPK_ENABLE_MASK|ABOX_MIC_ENABLE_MASK);
+
+       for (i = 0; i <= 3; i++) {
+               ret = regmap_read(regmap, ABOX_UAIF_CTRL0(i), &val);
+               if (ret < 0) {
+                       dev_err(dev, "Failed to get UAIF%d_CTRL0: %d\n", i, ret);
+               } else {
+                       if (val & mask) {
+                               dev_info(dev, "UAIF%d_CTRL0: %08x\n", i, val);
+                               val &= ~mask;
+                               regmap_write(regmap, ABOX_UAIF_CTRL0(i), val);
+                       }
+               }
+       }
+}
+
 static int abox_enable(struct device *dev)
 {
        struct platform_device *pdev = to_platform_device(dev);
@@ -5599,6 +5620,7 @@ static int abox_disable(struct device *dev)
        clk_set_rate(data->clk_pll, AUD_PLL_RATE_HZ_FOR_48000);
 
        data->calliope_state = CALLIOPE_DISABLING;
+       abox_clear_bclk(dev, data);
        abox_cache_components(dev, data);
        abox_ima_reclaim(data->ima_client, dev, data);
        abox_clear_l2c_requests(dev, data);