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Diffstat (limited to 'sound/soc/codecs/tlv320dac33.c')
-rw-r--r--sound/soc/codecs/tlv320dac33.c124
1 files changed, 49 insertions, 75 deletions
diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c
index 32907b1e20cf..605da1259fc6 100644
--- a/sound/soc/codecs/tlv320dac33.c
+++ b/sound/soc/codecs/tlv320dac33.c
@@ -1,24 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* ALSA SoC Texas Instruments TLV320DAC33 codec driver
*
* Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
*
* Copyright: (C) 2009 Nokia Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
- *
*/
#include <linux/module.h>
@@ -28,7 +14,7 @@
#include <linux/pm.h>
#include <linux/i2c.h>
#include <linux/interrupt.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <sound/core.h>
@@ -38,7 +24,6 @@
#include <sound/initval.h>
#include <sound/tlv.h>
-#include <sound/tlv320dac33-plat.h>
#include "tlv320dac33.h"
/*
@@ -94,7 +79,7 @@ struct tlv320dac33_priv {
struct snd_soc_component *component;
struct regulator_bulk_data supplies[DAC33_NUM_SUPPLIES];
struct snd_pcm_substream *substream;
- int power_gpio;
+ struct gpio_desc *reset_gpiod;
int chip_power;
int irq;
unsigned int refclk;
@@ -397,14 +382,26 @@ static int dac33_hard_power(struct snd_soc_component *component, int power)
goto exit;
}
- if (dac33->power_gpio >= 0)
- gpio_set_value(dac33->power_gpio, 1);
+ if (dac33->reset_gpiod) {
+ ret = gpiod_set_value(dac33->reset_gpiod, 1);
+ if (ret < 0) {
+ dev_err(&dac33->i2c->dev,
+ "Failed to set reset GPIO: %d\n", ret);
+ goto exit;
+ }
+ }
dac33->chip_power = 1;
} else {
dac33_soft_power(component, 0);
- if (dac33->power_gpio >= 0)
- gpio_set_value(dac33->power_gpio, 0);
+ if (dac33->reset_gpiod) {
+ ret = gpiod_set_value(dac33->reset_gpiod, 0);
+ if (ret < 0) {
+ dev_err(&dac33->i2c->dev,
+ "Failed to set reset GPIO: %d\n", ret);
+ goto exit;
+ }
+ }
ret = regulator_bulk_disable(ARRAY_SIZE(dac33->supplies),
dac33->supplies);
@@ -445,7 +442,7 @@ static int dac33_playback_event(struct snd_soc_dapm_widget *w,
static int dac33_get_fifo_mode(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct tlv320dac33_priv *dac33 = snd_soc_component_get_drvdata(component);
ucontrol->value.enumerated.item[0] = dac33->fifo_mode;
@@ -456,14 +453,14 @@ static int dac33_get_fifo_mode(struct snd_kcontrol *kcontrol,
static int dac33_set_fifo_mode(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
+ struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
struct tlv320dac33_priv *dac33 = snd_soc_component_get_drvdata(component);
int ret = 0;
if (dac33->fifo_mode == ucontrol->value.enumerated.item[0])
return 0;
/* Do not allow changes while stream is running*/
- if (snd_soc_component_is_active(component))
+ if (snd_soc_component_active(component))
return -EPERM;
if (ucontrol->value.enumerated.item[0] >= DAC33_FIFO_LAST_MODE)
@@ -626,6 +623,7 @@ static const struct snd_soc_dapm_route audio_map[] = {
static int dac33_set_bias_level(struct snd_soc_component *component,
enum snd_soc_bias_level level)
{
+ struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
int ret;
switch (level) {
@@ -634,7 +632,7 @@ static int dac33_set_bias_level(struct snd_soc_component *component,
case SND_SOC_BIAS_PREPARE:
break;
case SND_SOC_BIAS_STANDBY:
- if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
+ if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_OFF) {
/* Coming from OFF, switch on the component */
ret = dac33_hard_power(component, 1);
if (ret != 0)
@@ -645,7 +643,7 @@ static int dac33_set_bias_level(struct snd_soc_component *component,
break;
case SND_SOC_BIAS_OFF:
/* Do not power off, when the component is already off */
- if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
+ if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_OFF)
return 0;
ret = dac33_hard_power(component, 0);
if (ret != 0)
@@ -1085,7 +1083,7 @@ static void dac33_calculate_times(struct snd_pcm_substream *substream,
*/
dac33->nsample = period_size *
((dac33->alarm_threshold / period_size) +
- (dac33->alarm_threshold % period_size ?
+ ((dac33->alarm_threshold % period_size) ?
1 : 0));
else if (period_size > nsample_limit)
dac33->nsample = nsample_limit;
@@ -1331,16 +1329,14 @@ static int dac33_set_dai_fmt(struct snd_soc_dai *codec_dai,
aictrl_a = dac33_read_reg_cache(component, DAC33_SER_AUDIOIF_CTRL_A);
aictrl_b = dac33_read_reg_cache(component, DAC33_SER_AUDIOIF_CTRL_B);
- /* set master/slave audio interface */
- switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
- case SND_SOC_DAIFMT_CBM_CFM:
- /* Codec Master */
+
+ switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
+ case SND_SOC_DAIFMT_CBP_CFP:
aictrl_a |= (DAC33_MSBCLK | DAC33_MSWCLK);
break;
- case SND_SOC_DAIFMT_CBS_CFS:
- /* Codec Slave */
+ case SND_SOC_DAIFMT_CBC_CFC:
if (dac33->fifo_mode) {
- dev_err(component->dev, "FIFO mode requires master mode\n");
+ dev_err(component->dev, "FIFO mode requires provider mode\n");
return -EINVAL;
} else
aictrl_a &= ~(DAC33_MSBCLK | DAC33_MSWCLK);
@@ -1447,7 +1443,6 @@ static const struct snd_soc_component_driver soc_component_dev_tlv320dac33 = {
.num_dapm_routes = ARRAY_SIZE(audio_map),
.use_pmdown_time = 1,
.endianness = 1,
- .non_legacy_dai_naming = 1,
};
#define DAC33_RATES (SNDRV_PCM_RATE_44100 | \
@@ -1477,28 +1472,18 @@ static struct snd_soc_dai_driver dac33_dai = {
.ops = &dac33_dai_ops,
};
-static int dac33_i2c_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
+static int dac33_i2c_probe(struct i2c_client *client)
{
- struct tlv320dac33_platform_data *pdata;
struct tlv320dac33_priv *dac33;
int ret, i;
- if (client->dev.platform_data == NULL) {
- dev_err(&client->dev, "Platform data not set\n");
- return -ENODEV;
- }
- pdata = client->dev.platform_data;
-
dac33 = devm_kzalloc(&client->dev, sizeof(struct tlv320dac33_priv),
GFP_KERNEL);
if (dac33 == NULL)
return -ENOMEM;
- dac33->reg_cache = devm_kmemdup(&client->dev,
- dac33_reg,
- ARRAY_SIZE(dac33_reg) * sizeof(u8),
- GFP_KERNEL);
+ dac33->reg_cache = devm_kmemdup_array(&client->dev, dac33_reg, ARRAY_SIZE(dac33_reg),
+ sizeof(dac33_reg[0]), GFP_KERNEL);
if (!dac33->reg_cache)
return -ENOMEM;
@@ -1508,26 +1493,22 @@ static int dac33_i2c_probe(struct i2c_client *client,
i2c_set_clientdata(client, dac33);
- dac33->power_gpio = pdata->power_gpio;
- dac33->burst_bclkdiv = pdata->burst_bclkdiv;
- dac33->keep_bclk = pdata->keep_bclk;
- dac33->mode1_latency = pdata->mode1_latency;
+ if (!dac33->burst_bclkdiv)
+ dac33->burst_bclkdiv = 8;
if (!dac33->mode1_latency)
dac33->mode1_latency = 10000; /* 10ms */
dac33->irq = client->irq;
/* Disable FIFO use by default */
dac33->fifo_mode = DAC33_FIFO_BYPASS;
- /* Check if the reset GPIO number is valid and request it */
- if (dac33->power_gpio >= 0) {
- ret = gpio_request(dac33->power_gpio, "tlv320dac33 reset");
- if (ret < 0) {
- dev_err(&client->dev,
- "Failed to request reset GPIO (%d)\n",
- dac33->power_gpio);
- goto err_gpio;
- }
- gpio_direction_output(dac33->power_gpio, 0);
+ /* request optional reset GPIO */
+ dac33->reset_gpiod =
+ devm_gpiod_get_optional(&client->dev, "reset", GPIOD_OUT_LOW);
+ if (IS_ERR(dac33->reset_gpiod)) {
+ ret = PTR_ERR(dac33->reset_gpiod);
+ dev_err_probe(&client->dev, ret,
+ "Failed to get reset GPIO\n");
+ goto err;
}
for (i = 0; i < ARRAY_SIZE(dac33->supplies); i++)
@@ -1538,33 +1519,26 @@ static int dac33_i2c_probe(struct i2c_client *client,
if (ret != 0) {
dev_err(&client->dev, "Failed to request supplies: %d\n", ret);
- goto err_get;
+ goto err;
}
ret = devm_snd_soc_register_component(&client->dev,
&soc_component_dev_tlv320dac33, &dac33_dai, 1);
if (ret < 0)
- goto err_get;
+ goto err;
return ret;
-err_get:
- if (dac33->power_gpio >= 0)
- gpio_free(dac33->power_gpio);
-err_gpio:
+
+err:
return ret;
}
-static int dac33_i2c_remove(struct i2c_client *client)
+static void dac33_i2c_remove(struct i2c_client *client)
{
struct tlv320dac33_priv *dac33 = i2c_get_clientdata(client);
if (unlikely(dac33->chip_power))
dac33_hard_power(dac33->component, 0);
-
- if (dac33->power_gpio >= 0)
- gpio_free(dac33->power_gpio);
-
- return 0;
}
static const struct i2c_device_id tlv320dac33_i2c_id[] = {
generated by cgit (git 2.34.1) at 2025-12-25 15:16:33 +0000