[PATCH 3/5] leds: pca955x: Clean up code formatting

Eddie James
2021-04-29T20:50:26Z

Format the code. Add some variables to help shorten lines.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
---
drivers/leds/leds-pca955x.c | 63 ++++++++++++++++++-------------------
1 file changed, 30 insertions(+), 33 deletions(-)

diff --git a/drivers/leds/leds-pca955x.c b/drivers/leds/leds-pca955x.c
index 7087ca4592fc..f0d841cb59fc 100644
--- a/drivers/leds/leds-pca955x.c
+++ b/drivers/leds/leds-pca955x.c
@@ -166,11 +166,10 @@ static inline u8 pca955x_ledsel(u8 oldval, int led_num, int state)
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_client *client, int n, u8 val)
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_client *client, int n, u8 val)
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_client *client, int n, u8 val)
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 *client, struct pca955x_chipdef *chip)
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_pca955x_match[] = {
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_client *client,
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_client *client,
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_client *client,
*/
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;
}
--
2.27.0