ASoC: Add support for event listener from the codec
During low power island mode, register to event listener
to process soundwire inband interrupts from the soundwire
master driver.
Change-Id: Ib15f5ec59ea19010dbb8f9744de76bfc2ca7eebb
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
diff --git a/asoc/codecs/bolero/tx-macro.c b/asoc/codecs/bolero/tx-macro.c
index db1129c..67b3287 100644
--- a/asoc/codecs/bolero/tx-macro.c
+++ b/asoc/codecs/bolero/tx-macro.c
@@ -1582,6 +1582,42 @@
tx_macro_get_bcs, tx_macro_set_bcs),
};
+static int tx_macro_register_event_listener(struct snd_soc_component *component,
+ bool enable)
+{
+ struct device *tx_dev = NULL;
+ struct tx_macro_priv *tx_priv = NULL;
+ int ret = 0;
+
+ if (!component)
+ return -EINVAL;
+
+ tx_dev = bolero_get_device_ptr(component->dev, TX_MACRO);
+ if (!tx_dev) {
+ dev_err(component->dev,
+ "%s: null device for macro!\n", __func__);
+ return -EINVAL;
+ }
+ tx_priv = dev_get_drvdata(tx_dev);
+ if (!tx_priv) {
+ dev_err(component->dev,
+ "%s: priv is null for macro!\n", __func__);
+ return -EINVAL;
+ }
+ if (tx_priv->swr_ctrl_data) {
+ if (enable)
+ ret = swrm_wcd_notify(
+ tx_priv->swr_ctrl_data[0].tx_swr_pdev,
+ SWR_REGISTER_WAKEUP, NULL);
+ else
+ ret = swrm_wcd_notify(
+ tx_priv->swr_ctrl_data[0].tx_swr_pdev,
+ SWR_DEREGISTER_WAKEUP, NULL);
+ }
+
+ return ret;
+}
+
static int tx_macro_tx_va_mclk_enable(struct tx_macro_priv *tx_priv,
struct regmap *regmap, int clk_type,
bool enable)
@@ -2121,6 +2157,7 @@
ops->reg_wake_irq = tx_macro_reg_wake_irq;
ops->set_port_map = tx_macro_set_port_map;
ops->clk_switch = tx_macro_clk_switch;
+ ops->reg_evt_listener = tx_macro_register_event_listener;
}
static int tx_macro_probe(struct platform_device *pdev)