diff options
Diffstat (limited to 'sound/soc/codecs/cs42l73.c')
-rw-r--r-- | sound/soc/codecs/cs42l73.c | 70 |
1 files changed, 33 insertions, 37 deletions
diff --git a/sound/soc/codecs/cs42l73.c b/sound/soc/codecs/cs42l73.c index ddf36001100e..535a867f9f2a 100644 --- a/sound/soc/codecs/cs42l73.c +++ b/sound/soc/codecs/cs42l73.c @@ -8,26 +8,33 @@ * Brian Austin, Cirrus Logic Inc, <brian.austin@cirrus.com> */ +#include <linux/delay.h> +#include <linux/gpio/consumer.h> +#include <linux/i2c.h> +#include <linux/init.h> +#include <linux/kernel.h> #include <linux/module.h> #include <linux/moduleparam.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/of_gpio.h> #include <linux/pm.h> -#include <linux/i2c.h> #include <linux/regmap.h> #include <linux/slab.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/cs42l73.h> -#include "cs42l73.h" #include "cirrus_legacy.h" +#include "cs42l73.h" + +struct cs42l73_platform_data { + /* RST GPIO */ + struct gpio_desc *reset_gpio; + unsigned int chgfreq; + int jack_detection; + unsigned int mclk_freq; +}; struct sp_config { u8 spc, mmcc, spfs; @@ -1276,7 +1283,7 @@ static const struct regmap_config cs42l73_regmap = { static int cs42l73_i2c_probe(struct i2c_client *i2c_client) { struct cs42l73_private *cs42l73; - struct cs42l73_platform_data *pdata = dev_get_platdata(&i2c_client->dev); + struct cs42l73_platform_data *pdata; int ret, devid; unsigned int reg; u32 val32; @@ -1292,38 +1299,27 @@ static int cs42l73_i2c_probe(struct i2c_client *i2c_client) return ret; } - if (pdata) { - cs42l73->pdata = *pdata; - } else { - pdata = devm_kzalloc(&i2c_client->dev, sizeof(*pdata), - GFP_KERNEL); - if (!pdata) - return -ENOMEM; - - if (i2c_client->dev.of_node) { - if (of_property_read_u32(i2c_client->dev.of_node, - "chgfreq", &val32) >= 0) - pdata->chgfreq = val32; - } - pdata->reset_gpio = of_get_named_gpio(i2c_client->dev.of_node, - "reset-gpio", 0); - cs42l73->pdata = *pdata; + pdata = devm_kzalloc(&i2c_client->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return -ENOMEM; + + if (i2c_client->dev.of_node) { + if (of_property_read_u32(i2c_client->dev.of_node, "chgfreq", &val32) >= 0) + pdata->chgfreq = val32; } + pdata->reset_gpio = devm_gpiod_get_optional(&i2c_client->dev, "reset", GPIOD_OUT_LOW); + + if (IS_ERR(pdata->reset_gpio)) + return PTR_ERR(pdata->reset_gpio); + + gpiod_set_consumer_name(pdata->reset_gpio, "CS42L73 /RST"); + cs42l73->pdata = *pdata; i2c_set_clientdata(i2c_client, cs42l73); if (cs42l73->pdata.reset_gpio) { - ret = devm_gpio_request_one(&i2c_client->dev, - cs42l73->pdata.reset_gpio, - GPIOF_OUT_INIT_HIGH, - "CS42L73 /RST"); - if (ret < 0) { - dev_err(&i2c_client->dev, "Failed to request /RST %d: %d\n", - cs42l73->pdata.reset_gpio, ret); - return ret; - } - gpio_set_value_cansleep(cs42l73->pdata.reset_gpio, 0); - gpio_set_value_cansleep(cs42l73->pdata.reset_gpio, 1); + gpiod_set_value_cansleep(cs42l73->pdata.reset_gpio, 1); + gpiod_set_value_cansleep(cs42l73->pdata.reset_gpio, 0); } /* initialize codec */ @@ -1360,7 +1356,7 @@ static int cs42l73_i2c_probe(struct i2c_client *i2c_client) return 0; err_reset: - gpio_set_value_cansleep(cs42l73->pdata.reset_gpio, 0); + gpiod_set_value_cansleep(cs42l73->pdata.reset_gpio, 1); return ret; } |