aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/sound/soc/codecs/cs42l56.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/codecs/cs42l56.c')
-rw-r--r--sound/soc/codecs/cs42l56.c133
1 files changed, 76 insertions, 57 deletions
diff --git a/sound/soc/codecs/cs42l56.c b/sound/soc/codecs/cs42l56.c
index 97024a6ac96d..98fa812bc07b 100644
--- a/sound/soc/codecs/cs42l56.c
+++ b/sound/soc/codecs/cs42l56.c
@@ -7,32 +7,64 @@
* Author: Brian Austin <brian.austin@cirrus.com>
*/
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
#include <linux/delay.h>
-#include <linux/pm.h>
+#include <linux/gpio/consumer.h>
#include <linux/i2c.h>
+#include <linux/init.h>
#include <linux/input.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
#include <linux/slab.h>
#include <linux/workqueue.h>
-#include <linux/platform_device.h>
-#include <linux/regulator/consumer.h>
-#include <linux/of_device.h>
-#include <linux/of_gpio.h>
#include <sound/core.h>
+#include <sound/initval.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
-#include <sound/initval.h>
#include <sound/tlv.h>
-#include <sound/cs42l56.h>
#include "cs42l56.h"
#define CS42L56_NUM_SUPPLIES 3
+
+struct cs42l56_platform_data {
+ /* GPIO for Reset */
+ struct gpio_desc *gpio_nreset;
+
+ /* MICBIAS Level. Check datasheet Pg48 */
+ unsigned int micbias_lvl;
+
+ /* Analog Input 1A Reference 0=Single 1=Pseudo-Differential */
+ unsigned int ain1a_ref_cfg;
+
+ /* Analog Input 2A Reference 0=Single 1=Pseudo-Differential */
+ unsigned int ain2a_ref_cfg;
+
+ /* Analog Input 1B Reference 0=Single 1=Pseudo-Differential */
+ unsigned int ain1b_ref_cfg;
+
+ /* Analog Input 2B Reference 0=Single 1=Pseudo-Differential */
+ unsigned int ain2b_ref_cfg;
+
+ /* Charge Pump Freq. Check datasheet Pg62 */
+ unsigned int chgfreq;
+
+ /* HighPass Filter Right Channel Corner Frequency */
+ unsigned int hpfb_freq;
+
+ /* HighPass Filter Left Channel Corner Frequency */
+ unsigned int hpfa_freq;
+
+ /* Adaptive Power Control for LO/HP */
+ unsigned int adaptive_pwr;
+};
+
static const char *const cs42l56_supply_names[CS42L56_NUM_SUPPLIES] = {
"VA",
"VCP",
@@ -391,9 +423,9 @@ static const struct snd_kcontrol_new cs42l56_snd_controls[] = {
SOC_DOUBLE("ADC Boost Switch", CS42L56_GAIN_BIAS_CTL, 3, 2, 1, 1),
SOC_DOUBLE_R_SX_TLV("Headphone Volume", CS42L56_HPA_VOLUME,
- CS42L56_HPB_VOLUME, 0, 0x84, 0x48, hl_tlv),
+ CS42L56_HPB_VOLUME, 0, 0x44, 0x48, hl_tlv),
SOC_DOUBLE_R_SX_TLV("LineOut Volume", CS42L56_LOA_VOLUME,
- CS42L56_LOB_VOLUME, 0, 0x84, 0x48, hl_tlv),
+ CS42L56_LOB_VOLUME, 0, 0x44, 0x48, hl_tlv),
SOC_SINGLE_TLV("Bass Shelving Volume", CS42L56_TONE_CTL,
0, 0x00, 1, tone_tlv),
@@ -757,10 +789,10 @@ static int cs42l56_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
struct cs42l56_private *cs42l56 = snd_soc_component_get_drvdata(component);
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
- case SND_SOC_DAIFMT_CBM_CFM:
+ case SND_SOC_DAIFMT_CBP_CFP:
cs42l56->iface = CS42L56_MASTER_MODE;
break;
- case SND_SOC_DAIFMT_CBS_CFS:
+ case SND_SOC_DAIFMT_CBC_CFC:
cs42l56->iface = CS42L56_SLAVE_MODE;
break;
default:
@@ -1008,6 +1040,7 @@ static int cs42l56_beep_event(struct input_dev *dev, unsigned int type,
case SND_BELL:
if (hz)
hz = 261;
+ break;
case SND_TONE:
break;
default:
@@ -1020,9 +1053,8 @@ static int cs42l56_beep_event(struct input_dev *dev, unsigned int type,
return 0;
}
-static ssize_t cs42l56_beep_set(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
+static ssize_t beep_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
{
struct cs42l56_private *cs42l56 = dev_get_drvdata(dev);
long int time;
@@ -1037,7 +1069,7 @@ static ssize_t cs42l56_beep_set(struct device *dev,
return count;
}
-static DEVICE_ATTR(beep, 0200, NULL, cs42l56_beep_set);
+static DEVICE_ATTR_WO(beep);
static void cs42l56_init_beep(struct snd_soc_component *component)
{
@@ -1114,7 +1146,6 @@ static const struct snd_soc_component_driver soc_component_dev_cs42l56 = {
.idle_bias_on = 1,
.use_pmdown_time = 1,
.endianness = 1,
- .non_legacy_dai_naming = 1,
};
static const struct regmap_config cs42l56_regmap = {
@@ -1126,7 +1157,7 @@ static const struct regmap_config cs42l56_regmap = {
.num_reg_defaults = ARRAY_SIZE(cs42l56_reg_defaults),
.readable_reg = cs42l56_readable_register,
.volatile_reg = cs42l56_volatile_register,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
};
static int cs42l56_handle_of_data(struct i2c_client *i2c_client,
@@ -1162,19 +1193,22 @@ static int cs42l56_handle_of_data(struct i2c_client *i2c_client,
if (of_property_read_u32(np, "cirrus,hpf-left-freq", &val32) >= 0)
pdata->hpfb_freq = val32;
- pdata->gpio_nreset = of_get_named_gpio(np, "cirrus,gpio-nreset", 0);
+ pdata->gpio_nreset = devm_gpiod_get_optional(&i2c_client->dev, "cirrus,gpio-nreset",
+ GPIOD_OUT_LOW);
+
+ if (IS_ERR(pdata->gpio_nreset))
+ return PTR_ERR(pdata->gpio_nreset);
+
+ gpiod_set_consumer_name(pdata->gpio_nreset, "CS42L56 /RST");
return 0;
}
-static int cs42l56_i2c_probe(struct i2c_client *i2c_client,
- const struct i2c_device_id *id)
+static int cs42l56_i2c_probe(struct i2c_client *i2c_client)
{
struct cs42l56_private *cs42l56;
- struct cs42l56_platform_data *pdata =
- dev_get_platdata(&i2c_client->dev);
int ret, i;
- unsigned int devid = 0;
+ unsigned int devid;
unsigned int alpha_rev, metal_rev;
unsigned int reg;
@@ -1190,37 +1224,17 @@ static int cs42l56_i2c_probe(struct i2c_client *i2c_client,
return ret;
}
- if (pdata) {
- cs42l56->pdata = *pdata;
- } else {
- pdata = devm_kzalloc(&i2c_client->dev, sizeof(*pdata),
- GFP_KERNEL);
- if (!pdata)
- return -ENOMEM;
-
- if (i2c_client->dev.of_node) {
- ret = cs42l56_handle_of_data(i2c_client,
- &cs42l56->pdata);
- if (ret != 0)
- return ret;
- }
- cs42l56->pdata = *pdata;
+ if (i2c_client->dev.of_node) {
+ ret = cs42l56_handle_of_data(i2c_client, &cs42l56->pdata);
+ if (ret != 0)
+ return ret;
}
if (cs42l56->pdata.gpio_nreset) {
- ret = gpio_request_one(cs42l56->pdata.gpio_nreset,
- GPIOF_OUT_INIT_HIGH, "CS42L56 /RST");
- if (ret < 0) {
- dev_err(&i2c_client->dev,
- "Failed to request /RST %d: %d\n",
- cs42l56->pdata.gpio_nreset, ret);
- return ret;
- }
- gpio_set_value_cansleep(cs42l56->pdata.gpio_nreset, 0);
- gpio_set_value_cansleep(cs42l56->pdata.gpio_nreset, 1);
+ gpiod_set_value_cansleep(cs42l56->pdata.gpio_nreset, 1);
+ gpiod_set_value_cansleep(cs42l56->pdata.gpio_nreset, 0);
}
-
i2c_set_clientdata(i2c_client, cs42l56);
for (i = 0; i < ARRAY_SIZE(cs42l56->supplies); i++)
@@ -1244,11 +1258,17 @@ static int cs42l56_i2c_probe(struct i2c_client *i2c_client,
}
ret = regmap_read(cs42l56->regmap, CS42L56_CHIP_ID_1, &reg);
+ if (ret) {
+ dev_err(&i2c_client->dev, "Failed to read chip ID: %d\n", ret);
+ goto err_enable;
+ }
+
devid = reg & CS42L56_CHIP_ID_MASK;
if (devid != CS42L56_DEVID) {
dev_err(&i2c_client->dev,
"CS42L56 Device ID (%X). Expected %X\n",
devid, CS42L56_DEVID);
+ ret = -EINVAL;
goto err_enable;
}
alpha_rev = reg & CS42L56_AREV_MASK;
@@ -1306,7 +1326,7 @@ static int cs42l56_i2c_probe(struct i2c_client *i2c_client,
ret = devm_snd_soc_register_component(&i2c_client->dev,
&soc_component_dev_cs42l56, &cs42l56_dai, 1);
if (ret < 0)
- return ret;
+ goto err_enable;
return 0;
@@ -1316,13 +1336,12 @@ err_enable:
return ret;
}
-static int cs42l56_i2c_remove(struct i2c_client *client)
+static void cs42l56_i2c_remove(struct i2c_client *client)
{
struct cs42l56_private *cs42l56 = i2c_get_clientdata(client);
regulator_bulk_disable(ARRAY_SIZE(cs42l56->supplies),
cs42l56->supplies);
- return 0;
}
static const struct of_device_id cs42l56_of_match[] = {
@@ -1333,7 +1352,7 @@ MODULE_DEVICE_TABLE(of, cs42l56_of_match);
static const struct i2c_device_id cs42l56_id[] = {
- { "cs42l56", 0 },
+ { "cs42l56" },
{ }
};
MODULE_DEVICE_TABLE(i2c, cs42l56_id);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.