diff options
Diffstat (limited to 'drivers/video/backlight/sky81452-backlight.c')
| -rw-r--r-- | drivers/video/backlight/sky81452-backlight.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/drivers/video/backlight/sky81452-backlight.c b/drivers/video/backlight/sky81452-backlight.c index 052fa1bac..d414c7a3a 100644 --- a/drivers/video/backlight/sky81452-backlight.c +++ b/drivers/video/backlight/sky81452-backlight.c @@ -65,7 +65,7 @@ static int sky81452_bl_update_status(struct backlight_device *bd) if (brightness > 0) { ret = regmap_write(regmap, SKY81452_REG0, brightness - 1); - if (IS_ERR_VALUE(ret)) + if (ret < 0) return ret; return regmap_update_bits(regmap, SKY81452_REG1, SKY81452_EN, @@ -87,12 +87,12 @@ static ssize_t sky81452_bl_store_enable(struct device *dev, int ret; ret = kstrtoul(buf, 16, &value); - if (IS_ERR_VALUE(ret)) + if (ret < 0) return ret; ret = regmap_update_bits(regmap, SKY81452_REG1, SKY81452_EN, value << CTZ(SKY81452_EN)); - if (IS_ERR_VALUE(ret)) + if (ret < 0) return ret; return count; @@ -108,7 +108,7 @@ static ssize_t sky81452_bl_show_open_short(struct device *dev, reg = !strcmp(attr->attr.name, "open") ? SKY81452_REG5 : SKY81452_REG4; ret = regmap_read(regmap, reg, &value); - if (IS_ERR_VALUE(ret)) + if (ret < 0) return ret; if (value & SKY81452_SHRT) { @@ -136,7 +136,7 @@ static ssize_t sky81452_bl_show_fault(struct device *dev, int ret; ret = regmap_read(regmap, SKY81452_REG4, &value); - if (IS_ERR_VALUE(ret)) + if (ret < 0) return ret; *buf = 0; @@ -196,7 +196,7 @@ static struct sky81452_bl_platform_data *sky81452_bl_parse_dt( pdata->gpio_enable = of_get_gpio(np, 0); ret = of_property_count_u32_elems(np, "led-sources"); - if (IS_ERR_VALUE(ret)) { + if (ret < 0) { pdata->enable = SKY81452_EN >> CTZ(SKY81452_EN); } else { num_entry = ret; @@ -205,7 +205,7 @@ static struct sky81452_bl_platform_data *sky81452_bl_parse_dt( ret = of_property_read_u32_array(np, "led-sources", sources, num_entry); - if (IS_ERR_VALUE(ret)) { + if (ret < 0) { dev_err(dev, "led-sources node is invalid.\n"); return ERR_PTR(-EINVAL); } @@ -218,12 +218,12 @@ static struct sky81452_bl_platform_data *sky81452_bl_parse_dt( ret = of_property_read_u32(np, "skyworks,short-detection-threshold-volt", &pdata->short_detection_threshold); - if (IS_ERR_VALUE(ret)) + if (ret < 0) pdata->short_detection_threshold = 7; ret = of_property_read_u32(np, "skyworks,current-limit-mA", &pdata->boost_current_limit); - if (IS_ERR_VALUE(ret)) + if (ret < 0) pdata->boost_current_limit = 2750; of_node_put(np); @@ -278,14 +278,14 @@ static int sky81452_bl_probe(struct platform_device *pdev) if (gpio_is_valid(pdata->gpio_enable)) { ret = devm_gpio_request_one(dev, pdata->gpio_enable, GPIOF_OUT_INIT_HIGH, "sky81452-en"); - if (IS_ERR_VALUE(ret)) { + if (ret < 0) { dev_err(dev, "failed to request GPIO. err=%d\n", ret); return ret; } } ret = sky81452_bl_init_device(regmap, pdata); - if (IS_ERR_VALUE(ret)) { + if (ret < 0) { dev_err(dev, "failed to initialize. err=%d\n", ret); return ret; } @@ -302,8 +302,8 @@ static int sky81452_bl_probe(struct platform_device *pdev) platform_set_drvdata(pdev, bd); - ret = sysfs_create_group(&bd->dev.kobj, &sky81452_bl_attr_group); - if (IS_ERR_VALUE(ret)) { + ret = sysfs_create_group(&bd->dev.kobj, &sky81452_bl_attr_group); + if (ret < 0) { dev_err(dev, "failed to create attribute. err=%d\n", ret); return ret; } |