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Commit d1c3e9b5 authored by Sudheer Papothi's avatar Sudheer Papothi Committed by Gerrit - the friendly Code Review server
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ASoC: wcd938x: Add support for codec wakeup 



Add an API to wakeup codec from sleep.

Change-Id: I90de653947f794cbc4a47a91bd5f22251440ef75
Signed-off-by: default avatarSudheer Papothi <spapothi@codeaurora.org>
parent 4d31c000

asoc/codecs/wcd938x/internal.h

+1 −1
Original line number Diff line number Diff line
@@ -79,7 +79,6 @@ struct wcd938x_priv { 
	struct codec_port_info

			rx_port_mapping[MAX_PORT][MAX_CH_PER_PORT];

	struct regulator_bulk_data *supplies;



	struct notifier_block nblock;

	/* wcd callback to bolero */

	void *handle;
@@ -87,6 +86,7 @@ struct wcd938x_priv { 
	int (*register_notifier)(void *handle,

				struct notifier_block *nblock,

				bool enable);

	int (*wakeup)(void *handle, bool enable);

	u32 version;

	/* Entry for version info */

	struct snd_info_entry *entry;

asoc/codecs/wcd938x/wcd938x.c

+21 −0
Original line number Diff line number Diff line
@@ -2578,6 +2578,25 @@ static int wcd938x_add_slave_components(struct device *dev, 
	return 0;

}



static int wcd938x_wakeup(void *handle, bool enable)

{

	struct wcd938x_priv *priv;



	if (!handle) {

		pr_err("%s: NULL handle\n", __func__);

		return -EINVAL;

	}

	priv = (struct wcd938x_priv *)handle;

	if (!priv->tx_swr_dev) {

		pr_err("%s: tx swr dev is NULL\n", __func__);

		return -EINVAL;

	}

	if (enable)

		return swr_device_wakeup_vote(priv->tx_swr_dev);

	else

		return swr_device_wakeup_unvote(priv->tx_swr_dev);

}



static int wcd938x_probe(struct platform_device *pdev)

{

	struct component_match *match = NULL;
@@ -2652,6 +2671,8 @@ static int wcd938x_probe(struct platform_device *pdev) 


	wcd938x_reset(dev);



	wcd938x->wakeup = wcd938x_wakeup;



	return component_master_add_with_match(&pdev->dev,

					&wcd938x_comp_ops, match);