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asoc: codecs: swr-dmic: Enable swr dmic supply

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Supply for swr dmic is from wcd mic bias.
Enable the power supply by calling corresponding
interfaces from cdc supply driver.

Change-Id: I9db6a4799ebfdd974d9e12c47053d8d73da2b883
Signed-off-by: Karthikeyan Mani <kmani@codeaurora.org>
This commit is contained in:
Karthikeyan Mani
2020-01-17 00:34:28 -08:00
committed by Gerrit - the friendly Code Review server
parent a5a7ba3b43
commit 1d5de9e7b5
1 changed files with 50 additions and 37 deletions
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87
asoc/codecs/swr-dmic.c
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@@ -25,14 +25,15 @@
#include <sound/soc-dapm.h>
#include <sound/tlv.h>
#include <asoc/msm-cdc-pinctrl.h>
#include <asoc/msm-cdc-supply.h>
#include <dt-bindings/sound/audio-codec-port-types.h>
#include "swr-dmic.h"
#define itoa(x) ('0' + x)
#define DAI_NAME_NUM_INDEX 11
#define AIF_NAME_NUM_INDEX 12
#define DEFAULT_CODEC_NAME "swr_dmic_tx0"
#define DEFAULT_AIF_NAME "SWR_DMIC_AIF0 Playback"
#define itoa(x) ('0' + x)
#define DAI_NAME_NUM_INDEX 11
#define AIF_NAME_NUM_INDEX 12
#define DEFAULT_CODEC_NAME "swr_dmic_tx0"
#define DEFAULT_AIF_NAME "SWR_DMIC_AIF0 Playback"
/*
* Private data Structure for swr-dmic. All parameters related to
@@ -44,7 +45,10 @@ struct swr_dmic_priv {
struct snd_soc_component *component;
struct snd_soc_component_driver *driver;
struct snd_soc_dai_driver *dai_driver;
struct device_node *swr_dmic_vdd_np;
const char *supply_name;
struct device_node *wcd_handle;
struct cdc_wcd_supply *cdc_supply;
bool is_wcd_supply;
int tx_mode;
u8 tx_master_port_map[SWR_DMIC_MAX_PORTS];
};
@@ -239,28 +243,6 @@ static int swr_dmic_tx_master_port_put(struct snd_kcontrol *kcontrol,
return 0;
}
static int swr_dmic_vdd_ctrl(struct swr_dmic_priv *swr_dmic, bool enable)
{
int ret = 0;
if (swr_dmic->swr_dmic_vdd_np) {
if (enable)
ret = msm_cdc_pinctrl_select_active_state(
swr_dmic->swr_dmic_vdd_np);
else
ret = msm_cdc_pinctrl_select_sleep_state(
swr_dmic->swr_dmic_vdd_np);
if (ret != 0)
dev_err(swr_dmic->dev, "%s: Failed to turn state %d; ret=%d\n",
__func__, enable, ret);
} else {
dev_err(swr_dmic->dev, "%s: invalid pinctrl node\n", __func__);
ret = -EINVAL;
}
return ret;
}
static int dmic_swr_ctrl(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
@@ -458,12 +440,41 @@ static int swr_dmic_probe(struct swr_device *pdev)
GFP_KERNEL);
if (!swr_dmic)
return -ENOMEM;
swr_dmic->swr_dmic_vdd_np = of_parse_phandle(pdev->dev.of_node,
"qcom,swr-dmic-vdd-node", 0);
if (!swr_dmic->swr_dmic_vdd_np) {
ret = -EINVAL;
dev_dbg(&pdev->dev, "%s: Not using pinctrl\n", __func__);
swr_dmic->cdc_supply = devm_kzalloc(&pdev->dev,
sizeof(struct cdc_wcd_supply),
GFP_KERNEL);
if (!swr_dmic->cdc_supply)
return -ENOMEM;
ret = of_property_read_string(pdev->dev.of_node, "qcom,swr-dmic-supply",
&swr_dmic->supply_name);
if (ret) {
dev_dbg(&pdev->dev, "%s: Looking up %s property in node %s failed\n",
__func__, "qcom,swr-dmic-supply",
pdev->dev.of_node->full_name);
goto err;
}
swr_dmic->wcd_handle = of_parse_phandle(pdev->dev.of_node,
"qcom,wcd-handle", 0);
if (!swr_dmic->wcd_handle) {
dev_dbg(&pdev->dev, "%s: no wcd handle listed\n",
__func__);
swr_dmic->is_wcd_supply = false;
} else {
msm_cdc_init_wcd_supply(swr_dmic->wcd_handle,
swr_dmic->supply_name, swr_dmic->cdc_supply);
swr_dmic->is_wcd_supply = true;
}
if (swr_dmic->is_wcd_supply) {
ret = msm_cdc_enable_wcd_supply(swr_dmic->cdc_supply, true);
if (ret) {
ret = -EPROBE_DEFER;
goto err;
}
}
swr_set_dev_data(pdev, swr_dmic);
swr_dmic->swr_slave = pdev;
@@ -486,7 +497,6 @@ static int swr_dmic_probe(struct swr_device *pdev)
goto err;
}
swr_dmic_vdd_ctrl(swr_dmic, true);
/*
* Add 5msec delay to provide sufficient time for
* soundwire auto enumeration of slave devices as
@@ -578,7 +588,8 @@ static int swr_dmic_probe(struct swr_device *pdev)
return 0;
dev_err:
swr_dmic_vdd_ctrl(swr_dmic, false);
if (swr_dmic->is_wcd_supply)
msm_cdc_enable_wcd_supply(swr_dmic->cdc_supply, false);
swr_remove_device(pdev);
err:
return ret;
@@ -609,7 +620,8 @@ static int swr_dmic_up(struct swr_device *pdev)
dev_err(&pdev->dev, "%s: swr_dmic is NULL\n", __func__);
return -EINVAL;
}
swr_dmic_vdd_ctrl(swr_dmic, true);
if (swr_dmic->is_wcd_supply)
ret = msm_cdc_enable_wcd_supply(swr_dmic->cdc_supply, true);
return ret;
}
@@ -624,7 +636,8 @@ static int swr_dmic_down(struct swr_device *pdev)
dev_err(&pdev->dev, "%s: swr_dmic is NULL\n", __func__);
return -EINVAL;
}
swr_dmic_vdd_ctrl(swr_dmic, false);
if (swr_dmic->is_wcd_supply)
ret = msm_cdc_enable_wcd_supply(swr_dmic->cdc_supply, false);
return ret;
}