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ASoC: wcd938x: Add support for codec wakeup

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Add an API to wakeup codec from sleep.

Change-Id: I90de653947f794cbc4a47a91bd5f22251440ef75
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
This commit is contained in:
Sudheer Papothi
2018-09-05 05:43:51 +05:30
committed by Gerrit - the friendly Code Review server
parent 4d31c00084
commit d1c3e9b51e
2 changed files with 22 additions and 1 deletions
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2
asoc/codecs/wcd938x/internal.h
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@@ -79,7 +79,6 @@ struct wcd938x_priv {
struct codec_port_info struct codec_port_info
rx_port_mapping[MAX_PORT][MAX_CH_PER_PORT]; rx_port_mapping[MAX_PORT][MAX_CH_PER_PORT];
struct regulator_bulk_data *supplies; struct regulator_bulk_data *supplies;
struct notifier_block nblock; struct notifier_block nblock;
/* wcd callback to bolero */ /* wcd callback to bolero */
void *handle; void *handle;
@@ -87,6 +86,7 @@ struct wcd938x_priv {
int (*register_notifier)(void *handle, int (*register_notifier)(void *handle,
struct notifier_block *nblock, struct notifier_block *nblock,
bool enable); bool enable);
int (*wakeup)(void *handle, bool enable);
u32 version; u32 version;
/* Entry for version info */ /* Entry for version info */
struct snd_info_entry *entry; struct snd_info_entry *entry;

21
asoc/codecs/wcd938x/wcd938x.c
View File

@@ -2578,6 +2578,25 @@ static int wcd938x_add_slave_components(struct device *dev,
return 0; 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) static int wcd938x_probe(struct platform_device *pdev)
{ {
struct component_match *match = NULL; struct component_match *match = NULL;
@@ -2652,6 +2671,8 @@ static int wcd938x_probe(struct platform_device *pdev)
wcd938x_reset(dev); wcd938x_reset(dev);
wcd938x->wakeup = wcd938x_wakeup;
return component_master_add_with_match(&pdev->dev, return component_master_add_with_match(&pdev->dev,
&wcd938x_comp_ops, match); &wcd938x_comp_ops, match);