diff options
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/leds-max8997.c | 60 |
1 files changed, 13 insertions, 47 deletions
diff --git a/drivers/leds/leds-max8997.c b/drivers/leds/leds-max8997.c index bf86d54..569e36d 100644 --- a/drivers/leds/leds-max8997.c +++ b/drivers/leds/leds-max8997.c @@ -49,71 +49,37 @@ struct max8997_led { struct mutex mutex; }; -static void max8997_led_clear_mode(struct max8997_led *led, - enum max8997_led_mode mode) -{ - struct i2c_client *client = led->iodev->i2c; - u8 val = 0, mask = 0; - int ret; - - switch (mode) { - case MAX8997_FLASH_MODE: - mask = led->id ? - MAX8997_LED1_FLASH_MASK : MAX8997_LED0_FLASH_MASK; - break; - case MAX8997_MOVIE_MODE: - mask = led->id ? - MAX8997_LED1_MOVIE_MASK : MAX8997_LED0_MOVIE_MASK; - break; - case MAX8997_FLASH_PIN_CONTROL_MODE: - mask = led->id ? - MAX8997_LED1_FLASH_PIN_MASK : MAX8997_LED0_FLASH_PIN_MASK; - break; - case MAX8997_MOVIE_PIN_CONTROL_MODE: - mask = led->id ? - MAX8997_LED1_MOVIE_PIN_MASK : MAX8997_LED0_MOVIE_PIN_MASK; - break; - default: - break; - } - - if (mask) { - ret = max8997_update_reg(client, - MAX8997_REG_LEN_CNTL, val, mask); - if (ret) - dev_err(led->iodev->dev, - "failed to update register(%d)\n", ret); - } -} - static void max8997_led_set_mode(struct max8997_led *led, enum max8997_led_mode mode) { int ret; struct i2c_client *client = led->iodev->i2c; - u8 mask = 0; - - /* First, clear the previous mode */ - max8997_led_clear_mode(led, led->led_mode); + u8 mask = 0, val; switch (mode) { case MAX8997_FLASH_MODE: - mask = led->id ? + mask = MAX8997_LED1_FLASH_MASK | MAX8997_LED0_FLASH_MASK; + val = led->id ? MAX8997_LED1_FLASH_MASK : MAX8997_LED0_FLASH_MASK; led->cdev.max_brightness = MAX8997_LED_FLASH_MAX_BRIGHTNESS; break; case MAX8997_MOVIE_MODE: - mask = led->id ? + mask = MAX8997_LED1_MOVIE_MASK | MAX8997_LED0_MOVIE_MASK; + val = led->id ? MAX8997_LED1_MOVIE_MASK : MAX8997_LED0_MOVIE_MASK; led->cdev.max_brightness = MAX8997_LED_MOVIE_MAX_BRIGHTNESS; break; case MAX8997_FLASH_PIN_CONTROL_MODE: - mask = led->id ? + mask = MAX8997_LED1_FLASH_PIN_MASK | + MAX8997_LED0_FLASH_PIN_MASK; + val = led->id ? MAX8997_LED1_FLASH_PIN_MASK : MAX8997_LED0_FLASH_PIN_MASK; led->cdev.max_brightness = MAX8997_LED_FLASH_MAX_BRIGHTNESS; break; case MAX8997_MOVIE_PIN_CONTROL_MODE: - mask = led->id ? + mask = MAX8997_LED1_MOVIE_PIN_MASK | + MAX8997_LED0_MOVIE_PIN_MASK; + val = led->id ? MAX8997_LED1_MOVIE_PIN_MASK : MAX8997_LED0_MOVIE_PIN_MASK; led->cdev.max_brightness = MAX8997_LED_MOVIE_MAX_BRIGHTNESS; break; @@ -123,8 +89,8 @@ static void max8997_led_set_mode(struct max8997_led *led, } if (mask) { - ret = max8997_update_reg(client, - MAX8997_REG_LEN_CNTL, mask, mask); + ret = max8997_update_reg(client, MAX8997_REG_LEN_CNTL, val, + mask); if (ret) dev_err(led->iodev->dev, "failed to update register(%d)\n", ret); |
