diff options
Diffstat (limited to 'drivers/i2c/muxes/i2c-mux-ltc4306.c')
| -rw-r--r-- | drivers/i2c/muxes/i2c-mux-ltc4306.c | 24 |
1 files changed, 10 insertions, 14 deletions
diff --git a/drivers/i2c/muxes/i2c-mux-ltc4306.c b/drivers/i2c/muxes/i2c-mux-ltc4306.c index 83a714605cd6..50fbc0d06e62 100644 --- a/drivers/i2c/muxes/i2c-mux-ltc4306.c +++ b/drivers/i2c/muxes/i2c-mux-ltc4306.c @@ -1,10 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Linear Technology LTC4306 and LTC4305 I2C multiplexer/switch * * Copyright (C) 2017 Analog Devices Inc. * - * Licensed under the GPL-2. - * * Based on: i2c-mux-pca954x.c * * Datasheet: http://cds.linear.com/docs/en/datasheet/4306.pdf @@ -16,7 +15,6 @@ #include <linux/i2c.h> #include <linux/module.h> #include <linux/of.h> -#include <linux/of_device.h> #include <linux/property.h> #include <linux/regmap.h> #include <linux/slab.h> @@ -63,7 +61,7 @@ static const struct chip_desc chips[] = { static bool ltc4306_is_volatile_reg(struct device *dev, unsigned int reg) { - return (reg == LTC_REG_CONFIG) ? true : false; + return reg == LTC_REG_CONFIG; } static const struct regmap_config ltc4306_regmap_config = { @@ -87,13 +85,13 @@ static int ltc4306_gpio_get(struct gpio_chip *chip, unsigned int offset) return !!(val & BIT(1 - offset)); } -static void ltc4306_gpio_set(struct gpio_chip *chip, unsigned int offset, - int value) +static int ltc4306_gpio_set(struct gpio_chip *chip, unsigned int offset, + int value) { struct ltc4306 *data = gpiochip_get_data(chip); - regmap_update_bits(data->regmap, LTC_REG_CONFIG, BIT(5 - offset), - value ? BIT(5 - offset) : 0); + return regmap_update_bits(data->regmap, LTC_REG_CONFIG, + BIT(5 - offset), value ? BIT(5 - offset) : 0); } static int ltc4306_gpio_get_direction(struct gpio_chip *chip, @@ -281,7 +279,7 @@ static int ltc4306_probe(struct i2c_client *client) /* Now create an adapter for each channel */ for (num = 0; num < chip->nchans; num++) { - ret = i2c_mux_add_adapter(muxc, 0, num, 0); + ret = i2c_mux_add_adapter(muxc, 0, num); if (ret) { i2c_mux_del_adapters(muxc); return ret; @@ -295,21 +293,19 @@ static int ltc4306_probe(struct i2c_client *client) return 0; } -static int ltc4306_remove(struct i2c_client *client) +static void ltc4306_remove(struct i2c_client *client) { struct i2c_mux_core *muxc = i2c_get_clientdata(client); i2c_mux_del_adapters(muxc); - - return 0; } static struct i2c_driver ltc4306_driver = { .driver = { .name = "ltc4306", - .of_match_table = of_match_ptr(ltc4306_of_match), + .of_match_table = ltc4306_of_match, }, - .probe_new = ltc4306_probe, + .probe = ltc4306_probe, .remove = ltc4306_remove, .id_table = ltc4306_id, }; |