diff options
Diffstat (limited to 'sound/soc/codecs/cs42l56.c')
| -rw-r--r-- | sound/soc/codecs/cs42l56.c | 90 |
1 files changed, 56 insertions, 34 deletions
diff --git a/sound/soc/codecs/cs42l56.c b/sound/soc/codecs/cs42l56.c index aaf90c8b7339..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.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", @@ -1161,7 +1193,13 @@ 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; } @@ -1169,8 +1207,6 @@ static int cs42l56_handle_of_data(struct i2c_client *i2c_client, 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; unsigned int alpha_rev, metal_rev; @@ -1188,31 +1224,17 @@ static int cs42l56_i2c_probe(struct i2c_client *i2c_client) return ret; } - if (pdata) { - cs42l56->pdata = *pdata; - } else { - if (i2c_client->dev.of_node) { - ret = cs42l56_handle_of_data(i2c_client, - &cs42l56->pdata); - if (ret != 0) - return ret; - } + 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++) |