asoc: codecs: enable dynamic RX & TX supplies for WCD9335

Enable and vote RX and TX supplies dynamically during respective
usecases.

Change-Id: I671c14b34ce0325e102d94083905329d473d4a78
Signed-off-by: Mangesh Kunchamwar <mangeshk@codeaurora.org>
Signed-off-by: Surendar Karka <skarka@codeaurora.org>

asoc/codecs/wcd9xxx-utils.c

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0-only
-/* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
  */
 
 #include <linux/kernel.h>
@@ -414,6 +414,14 @@ struct wcd9xxx_pdata *wcd9xxx_populate_dt_data(struct device *dev)
 
 	pdata->dmic_clk_drv = dmic_clk_drive;
 
+	rc = of_property_read_u32(dev->of_node,
+					"qcom,vote-dynamic-supply-on-demand",
+					&pdata->vote_regulator_on_demand);
+	if (rc)
+		dev_dbg(dev, "%s No entry for %s property in node %s\n",
+				__func__, "qcom,vote-dynamic-supply-on-demand",
+				dev->of_node->full_name);
+
 	return pdata;
 
 err_parse_dt_prop: