From 2420ae02ce0a926819ebe18f809a57bff3edeac2 Mon Sep 17 00:00:00 2001 From: Eddie James Date: Fri, 16 Jul 2021 17:03:27 -0500 Subject: [PATCH] leds: pca955x: Clean up code formatting Format the code. Add some variables to help shorten lines. Signed-off-by: Eddie James Signed-off-by: Pavel Machek --- drivers/leds/leds-pca955x.c | 63 ++++++++++++++++++------------------- 1 file changed, 30 insertions(+), 33 deletions(-) --- a/drivers/leds/leds-pca955x.c +++ b/drivers/leds/leds-pca955x.c @@ -166,11 +166,10 @@ static inline u8 pca955x_ledsel(u8 oldva static int pca955x_write_psc(struct i2c_client *client, int n, u8 val) { struct pca955x *pca955x = i2c_get_clientdata(client); + u8 cmd = pca95xx_num_input_regs(pca955x->chipdef->bits) + (2 * n); int ret; - ret = i2c_smbus_write_byte_data(client, - pca95xx_num_input_regs(pca955x->chipdef->bits) + 2*n, - val); + ret = i2c_smbus_write_byte_data(client, cmd, val); if (ret < 0) dev_err(&client->dev, "%s: reg 0x%x, val 0x%x, err %d\n", __func__, n, val, ret); @@ -187,11 +186,10 @@ static int pca955x_write_psc(struct i2c_ static int pca955x_write_pwm(struct i2c_client *client, int n, u8 val) { struct pca955x *pca955x = i2c_get_clientdata(client); + u8 cmd = pca95xx_num_input_regs(pca955x->chipdef->bits) + 1 + (2 * n); int ret; - ret = i2c_smbus_write_byte_data(client, - pca95xx_num_input_regs(pca955x->chipdef->bits) + 1 + 2*n, - val); + ret = i2c_smbus_write_byte_data(client, cmd, val); if (ret < 0) dev_err(&client->dev, "%s: reg 0x%x, val 0x%x, err %d\n", __func__, n, val, ret); @@ -205,11 +203,10 @@ static int pca955x_write_pwm(struct i2c_ static int pca955x_write_ls(struct i2c_client *client, int n, u8 val) { struct pca955x *pca955x = i2c_get_clientdata(client); + u8 cmd = pca95xx_num_input_regs(pca955x->chipdef->bits) + 4 + n; int ret; - ret = i2c_smbus_write_byte_data(client, - pca95xx_num_input_regs(pca955x->chipdef->bits) + 4 + n, - val); + ret = i2c_smbus_write_byte_data(client, cmd, val); if (ret < 0) dev_err(&client->dev, "%s: reg 0x%x, val 0x%x, err %d\n", __func__, n, val, ret); @@ -223,10 +220,10 @@ static int pca955x_write_ls(struct i2c_c static int pca955x_read_ls(struct i2c_client *client, int n, u8 *val) { struct pca955x *pca955x = i2c_get_clientdata(client); + u8 cmd = pca95xx_num_input_regs(pca955x->chipdef->bits) + 4 + n; int ret; - ret = i2c_smbus_read_byte_data(client, - pca95xx_num_input_regs(pca955x->chipdef->bits) + 4 + n); + ret = i2c_smbus_read_byte_data(client, cmd); if (ret < 0) { dev_err(&client->dev, "%s: reg 0x%x, err %d\n", __func__, n, ret); @@ -371,6 +368,7 @@ static struct pca955x_platform_data * pca955x_get_pdata(struct i2c_client *client, struct pca955x_chipdef *chip) { struct pca955x_platform_data *pdata; + struct pca955x_led *led; struct fwnode_handle *child; int count; @@ -401,13 +399,13 @@ pca955x_get_pdata(struct i2c_client *cli if ((res != 0) && is_of_node(child)) name = to_of_node(child)->name; - snprintf(pdata->leds[reg].name, sizeof(pdata->leds[reg].name), - "%s", name); + led = &pdata->leds[reg]; + snprintf(led->name, sizeof(led->name), "%s", name); - pdata->leds[reg].type = PCA955X_TYPE_LED; - fwnode_property_read_u32(child, "type", &pdata->leds[reg].type); + led->type = PCA955X_TYPE_LED; + fwnode_property_read_u32(child, "type", &led->type); fwnode_property_read_string(child, "linux,default-trigger", - &pdata->leds[reg].default_trigger); + &led->default_trigger); } pdata->num_leds = chip->bits; @@ -426,11 +424,12 @@ static const struct of_device_id of_pca9 MODULE_DEVICE_TABLE(of, of_pca955x_match); static int pca955x_probe(struct i2c_client *client, - const struct i2c_device_id *id) + const struct i2c_device_id *id) { struct pca955x *pca955x; struct pca955x_led *pca955x_led; struct pca955x_chipdef *chip; + struct led_classdev *led; struct i2c_adapter *adapter; int i, err; struct pca955x_platform_data *pdata; @@ -449,13 +448,13 @@ static int pca955x_probe(struct i2c_clie if ((client->addr & ~((1 << chip->slv_addr_shift) - 1)) != chip->slv_addr) { dev_err(&client->dev, "invalid slave address %02x\n", - client->addr); + client->addr); return -ENODEV; } dev_info(&client->dev, "leds-pca955x: Using %s %d-bit LED driver at " - "slave address 0x%02x\n", - client->name, chip->bits, client->addr); + "slave address 0x%02x\n", client->name, chip->bits, + client->addr); if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -EIO; @@ -471,8 +470,8 @@ static int pca955x_probe(struct i2c_clie if (!pca955x) return -ENOMEM; - pca955x->leds = devm_kcalloc(&client->dev, - chip->bits, sizeof(*pca955x_led), GFP_KERNEL); + pca955x->leds = devm_kcalloc(&client->dev, chip->bits, + sizeof(*pca955x_led), GFP_KERNEL); if (!pca955x->leds) return -ENOMEM; @@ -501,27 +500,25 @@ static int pca955x_probe(struct i2c_clie */ if (pdata->leds[i].name[0] == '\0') snprintf(pdata->leds[i].name, - sizeof(pdata->leds[i].name), "%d", i); + sizeof(pdata->leds[i].name), "%d", i); - snprintf(pca955x_led->name, - sizeof(pca955x_led->name), "pca955x:%s", - pdata->leds[i].name); + snprintf(pca955x_led->name, sizeof(pca955x_led->name), + "pca955x:%s", pdata->leds[i].name); + led = &pca955x_led->led_cdev; if (pdata->leds[i].default_trigger) - pca955x_led->led_cdev.default_trigger = + led->default_trigger = pdata->leds[i].default_trigger; - pca955x_led->led_cdev.name = pca955x_led->name; - pca955x_led->led_cdev.brightness_set_blocking = - pca955x_led_set; + led->name = pca955x_led->name; + led->brightness_set_blocking = pca955x_led_set; - err = devm_led_classdev_register(&client->dev, - &pca955x_led->led_cdev); + err = devm_led_classdev_register(&client->dev, led); if (err) return err; /* Turn off LED */ - err = pca955x_led_set(&pca955x_led->led_cdev, LED_OFF); + err = pca955x_led_set(led, LED_OFF); if (err) return err; }