samsung-sm8650/android_kernel_samsung_sm8650-modules
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asoc: codecs: add support to disable soundwire devices

Ver código fonte 
Add changes to support disabling of soundwire devices
so that soundwire pins can be freed for other purposes
if needed.

Change-Id: Iae14d43c2c3d5380347be4c3b443c209b2612a97
Signed-off-by: Karthikeyan Mani <kmani@codeaurora.org>
Esse commit está contido em:
Karthikeyan Mani
2019-06-04 23:40:16 -07:00
commit de Gerrit - the friendly Code Review server
pai c63ec8cd8f
commit 3bd80a59b2
3 arquivos alterados com 116 adições e 58 exclusões
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53
asoc/codecs/bolero/tx-macro.c
Ver arquivo

@@ -346,19 +346,22 @@ static int tx_macro_event_handler(struct snd_soc_component *component,
switch (event) {
case BOLERO_MACRO_EVT_SSR_DOWN:
swrm_wcd_notify(
tx_priv->swr_ctrl_data[0].tx_swr_pdev,
SWR_DEVICE_DOWN, NULL);
swrm_wcd_notify(
tx_priv->swr_ctrl_data[0].tx_swr_pdev,
SWR_DEVICE_SSR_DOWN, NULL);
if (tx_priv->swr_ctrl_data) {
swrm_wcd_notify(
tx_priv->swr_ctrl_data[0].tx_swr_pdev,
SWR_DEVICE_DOWN, NULL);
swrm_wcd_notify(
tx_priv->swr_ctrl_data[0].tx_swr_pdev,
SWR_DEVICE_SSR_DOWN, NULL);
}
break;
case BOLERO_MACRO_EVT_SSR_UP:
/* reset swr after ssr/pdr */
tx_priv->reset_swr = true;
swrm_wcd_notify(
tx_priv->swr_ctrl_data[0].tx_swr_pdev,
SWR_DEVICE_SSR_UP, NULL);
if (tx_priv->swr_ctrl_data)
swrm_wcd_notify(
tx_priv->swr_ctrl_data[0].tx_swr_pdev,
SWR_DEVICE_SSR_UP, NULL);
break;
}
return 0;
@@ -375,9 +378,10 @@ static int tx_macro_reg_wake_irq(struct snd_soc_component *component,
if (!tx_macro_get_data(component, &tx_dev, &tx_priv, __func__))
return -EINVAL;
ret = swrm_wcd_notify(
tx_priv->swr_ctrl_data[0].tx_swr_pdev,
SWR_REGISTER_WAKE_IRQ, &ipc_wakeup);
if (tx_priv->swr_ctrl_data)
ret = swrm_wcd_notify(
tx_priv->swr_ctrl_data[0].tx_swr_pdev,
SWR_REGISTER_WAKE_IRQ, &ipc_wakeup);
return ret;
}
@@ -1948,9 +1952,10 @@ static int tx_macro_set_port_map(struct snd_soc_component *component,
port_cfg.size = size;
port_cfg.params = data;
ret = swrm_wcd_notify(
tx_priv->swr_ctrl_data[0].tx_swr_pdev,
SWR_SET_PORT_MAP, &port_cfg);
if (tx_priv->swr_ctrl_data)
ret = swrm_wcd_notify(
tx_priv->swr_ctrl_data[0].tx_swr_pdev,
SWR_SET_PORT_MAP, &port_cfg);
return ret;
}
@@ -1977,6 +1982,8 @@ static int tx_macro_probe(struct platform_device *pdev)
char __iomem *tx_io_base = NULL;
int ret = 0;
const char *dmic_sample_rate = "qcom,tx-dmic-sample-rate";
u32 is_used_tx_swr_gpio = 1;
const char *is_used_tx_swr_gpio_dt = "qcom,is-used-swr-gpio";
tx_priv = devm_kzalloc(&pdev->dev, sizeof(struct tx_macro_priv),
GFP_KERNEL);
@@ -1993,9 +2000,20 @@ static int tx_macro_probe(struct platform_device *pdev)
return ret;
}
dev_set_drvdata(&pdev->dev, tx_priv);
if (of_find_property(pdev->dev.of_node, is_used_tx_swr_gpio_dt,
NULL)) {
ret = of_property_read_u32(pdev->dev.of_node,
is_used_tx_swr_gpio_dt,
&is_used_tx_swr_gpio);
if (ret) {
dev_err(&pdev->dev, "%s: error reading %s in dt\n",
__func__, is_used_tx_swr_gpio_dt);
is_used_tx_swr_gpio = 1;
}
}
tx_priv->tx_swr_gpio_p = of_parse_phandle(pdev->dev.of_node,
"qcom,tx-swr-gpios", 0);
if (!tx_priv->tx_swr_gpio_p) {
if (!tx_priv->tx_swr_gpio_p && is_used_tx_swr_gpio) {
dev_err(&pdev->dev, "%s: swr_gpios handle not provided!\n",
__func__);
return -EINVAL;
@@ -2064,7 +2082,8 @@ static int tx_macro_remove(struct platform_device *pdev)
if (!tx_priv)
return -EINVAL;
kfree(tx_priv->swr_ctrl_data);
if (tx_priv->swr_ctrl_data)
kfree(tx_priv->swr_ctrl_data);
for (count = 0; count < tx_priv->child_count &&
count < TX_MACRO_CHILD_DEVICES_MAX; count++)
platform_device_unregister(tx_priv->pdev_child_devices[count]);