diff options
Diffstat (limited to 'sound/soc/codecs/tpa6130a2.c')
| -rw-r--r-- | sound/soc/codecs/tpa6130a2.c | 76 |
1 files changed, 20 insertions, 56 deletions
diff --git a/sound/soc/codecs/tpa6130a2.c b/sound/soc/codecs/tpa6130a2.c index 616cd4bebd01..38cc000891ea 100644 --- a/sound/soc/codecs/tpa6130a2.c +++ b/sound/soc/codecs/tpa6130a2.c @@ -1,38 +1,23 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * ALSA SoC Texas Instruments TPA6130A2 headset stereo amplifier driver * * Copyright (C) Nokia Corporation * * Author: Peter Ujfalusi <peter.ujfalusi@ti.com> - * - * 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> -#include <linux/errno.h> #include <linux/device.h> +#include <linux/errno.h> +#include <linux/gpio/consumer.h> #include <linux/i2c.h> -#include <linux/gpio.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> -#include <sound/tpa6130a2-plat.h> #include <sound/soc.h> #include <sound/tlv.h> -#include <linux/of.h> -#include <linux/of_gpio.h> -#include <linux/regmap.h> #include "tpa6130a2.h" @@ -46,7 +31,7 @@ struct tpa6130a2_data { struct device *dev; struct regmap *regmap; struct regulator *supply; - int power_gpio; + struct gpio_desc *power_gpio; enum tpa_model id; }; @@ -62,8 +47,7 @@ static int tpa6130a2_power(struct tpa6130a2_data *data, bool enable) return ret; } /* Power on */ - if (data->power_gpio >= 0) - gpio_set_value(data->power_gpio, 1); + gpiod_set_value(data->power_gpio, 1); /* Sync registers */ regcache_cache_only(data->regmap, false); @@ -72,8 +56,7 @@ static int tpa6130a2_power(struct tpa6130a2_data *data, bool enable) dev_err(data->dev, "Failed to sync registers: %d\n", ret); regcache_cache_only(data->regmap, true); - if (data->power_gpio >= 0) - gpio_set_value(data->power_gpio, 0); + gpiod_set_value(data->power_gpio, 0); ret2 = regulator_disable(data->supply); if (ret2 != 0) dev_err(data->dev, @@ -89,8 +72,7 @@ static int tpa6130a2_power(struct tpa6130a2_data *data, bool enable) regcache_cache_only(data->regmap, true); /* Power off */ - if (data->power_gpio >= 0) - gpio_set_value(data->power_gpio, 0); + gpiod_set_value(data->power_gpio, 0); ret = regulator_disable(data->supply); if (ret != 0) { @@ -222,12 +204,10 @@ static const struct regmap_config tpa6130a2_regmap_config = { .cache_type = REGCACHE_RBTREE, }; -static int tpa6130a2_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static int tpa6130a2_probe(struct i2c_client *client) { struct device *dev; struct tpa6130a2_data *data; - struct tpa6130a2_platform_data *pdata = client->dev.platform_data; struct device_node *np = client->dev.of_node; const char *regulator; unsigned int version; @@ -245,10 +225,13 @@ static int tpa6130a2_probe(struct i2c_client *client, if (IS_ERR(data->regmap)) return PTR_ERR(data->regmap); - if (pdata) { - data->power_gpio = pdata->power_gpio; - } else if (np) { - data->power_gpio = of_get_named_gpio(np, "power-gpio", 0); + if (np) { + data->power_gpio = devm_gpiod_get_optional(dev, "power", GPIOD_OUT_LOW); + if (IS_ERR(data->power_gpio)) { + return dev_err_probe(dev, PTR_ERR(data->power_gpio), + "Failed to request power GPIO\n"); + } + gpiod_set_consumer_name(data->power_gpio, "tpa6130a2 enable"); } else { dev_err(dev, "Platform data not set\n"); dump_stack(); @@ -257,24 +240,13 @@ static int tpa6130a2_probe(struct i2c_client *client, i2c_set_clientdata(client, data); - data->id = id->driver_data; - - if (data->power_gpio >= 0) { - ret = devm_gpio_request(dev, data->power_gpio, - "tpa6130a2 enable"); - if (ret < 0) { - dev_err(dev, "Failed to request power GPIO (%d)\n", - data->power_gpio); - return ret; - } - gpio_direction_output(data->power_gpio, 0); - } + data->id = (uintptr_t)i2c_get_match_data(client); switch (data->id) { default: dev_warn(dev, "Unknown TPA model (%d). Assuming 6130A2\n", data->id); - /* fall through */ + fallthrough; case TPA6130A2: regulator = "Vdd"; break; @@ -310,13 +282,6 @@ static int tpa6130a2_probe(struct i2c_client *client, &tpa6130a2_component_driver, NULL, 0); } -static const struct i2c_device_id tpa6130a2_id[] = { - { "tpa6130a2", TPA6130A2 }, - { "tpa6140a2", TPA6140A2 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, tpa6130a2_id); - #if IS_ENABLED(CONFIG_OF) static const struct of_device_id tpa6130a2_of_match[] = { { .compatible = "ti,tpa6130a2", }, @@ -332,7 +297,6 @@ static struct i2c_driver tpa6130a2_i2c_driver = { .of_match_table = of_match_ptr(tpa6130a2_of_match), }, .probe = tpa6130a2_probe, - .id_table = tpa6130a2_id, }; module_i2c_driver(tpa6130a2_i2c_driver); |