diff options
Diffstat (limited to 'drivers/leds/leds-an30259a.c')
| -rw-r--r-- | drivers/leds/leds-an30259a.c | 62 |
1 files changed, 41 insertions, 21 deletions
diff --git a/drivers/leds/leds-an30259a.c b/drivers/leds/leds-an30259a.c index 5d351c4..965ef3e 100644 --- a/drivers/leds/leds-an30259a.c +++ b/drivers/leds/leds-an30259a.c @@ -82,6 +82,9 @@ #define MAX_NUM_LEDS 3 +u8 LED_DYNAMIC_CURRENT = 0x8; +u8 LED_LOWPOWER_MODE = 0x0; + static struct an30259_led_conf led_conf[] = { { .name = "led_r", @@ -317,7 +320,6 @@ static void an30259a_reset_register_work(struct work_struct *work) static void an30259a_start_led_pattern(int mode) { int retval; - struct i2c_client *client; struct work_struct *reset = 0; client = b_client; @@ -329,6 +331,12 @@ static void an30259a_start_led_pattern(int mode) if (mode == LED_OFF) return; + /* Set to low power consumption mode */ + if (LED_LOWPOWER_MODE == 1) + LED_DYNAMIC_CURRENT = 0x8; + else + LED_DYNAMIC_CURRENT = 0x1; + switch (mode) { /* leds_set_slope_mode(client, LED_SEL, DELAY, MAX, MID, MIN, SLPTT1, SLPTT2, DT1, DT2, DT3, DT4) */ @@ -437,6 +445,27 @@ static void an30259a_set_led_blink(enum an30259a_led_enum led, } } +static ssize_t store_an30259a_led_lowpower(struct device *dev, + struct device_attribute *devattr, + const char *buf, size_t count) +{ + int retval; + u8 led_lowpower; + struct an30259a_data *data = dev_get_drvdata(dev); + + retval = kstrtou8(buf, 0, &led_lowpower); + if (retval != 0) { + dev_err(&data->client->dev, "fail to get led_lowpower.\n"); + return count; + } + + LED_LOWPOWER_MODE = led_lowpower; + + printk(KERN_DEBUG "led_lowpower mode set to %i\n", led_lowpower); + + return count; +} + static ssize_t store_an30259a_led_br_lev(struct device *dev, struct device_attribute *devattr, const char *buf, size_t count) @@ -449,7 +478,7 @@ static ssize_t store_an30259a_led_br_lev(struct device *dev, retval = strict_strtoul(buf, 16, &brightness_lev); if (retval != 0) { - dev_err(&data->client->dev, "fail to get led_pattern mode.\n"); + dev_err(&data->client->dev, "fail to get led_br_lev.\n"); return count; } @@ -517,7 +546,8 @@ static ssize_t store_an30259a_led_blink(struct device *dev, leds_i2c_write_all(data->client); - printk(KERN_DEBUG "led_blink is called\n"); + printk(KERN_DEBUG "led_blink is called, Color:0x%X Brightness:%i\n", + led_brightness, LED_DYNAMIC_CURRENT); return count; } @@ -739,6 +769,9 @@ static DEVICE_ATTR(led_fade, 0664, show_an30259a_led_fade, \ store_an30259a_led_fade); static DEVICE_ATTR(led_br_lev, 0664, NULL, \ store_an30259a_led_br_lev); +static DEVICE_ATTR(led_lowpower, 0664, NULL, \ + store_an30259a_led_lowpower); + #endif static struct attribute *led_class_attrs[] = { @@ -761,6 +794,7 @@ static struct attribute *sec_led_attributes[] = { &dev_attr_led_blink.attr, &dev_attr_led_fade.attr, &dev_attr_led_br_lev.attr, + &dev_attr_led_lowpower.attr, NULL, }; @@ -867,11 +901,14 @@ static int __devinit an30259a_probe(struct i2c_client *client, dev_err(&client->dev, "Failed to create device for samsung specific led\n"); ret = -ENODEV; + goto exit; } ret = sysfs_create_group(&led_dev->kobj, &sec_led_attr_group); - if (ret) + if (ret) { dev_err(&client->dev, "Failed to create sysfs group for samsung specific led\n"); + goto exit; + } #endif return ret; exit: @@ -885,22 +922,6 @@ static int __devexit an30259a_remove(struct i2c_client *client) struct an30259a_data *data = i2c_get_clientdata(client); int i; dev_dbg(&client->adapter->dev, "%s\n", __func__); - - // this is not an ugly hack to shutdown led. - data->shadow_reg[AN30259A_REG_LEDON] &= ~(LED_ON << 0); - data->shadow_reg[AN30259A_REG_LEDON] &= ~(LED_ON << 1); - data->shadow_reg[AN30259A_REG_LEDON] &= ~(LED_ON << 2); - data->shadow_reg[AN30259A_REG_LED1CNT2 + 0 * 4] &= ~AN30259A_MASK_DELAY; - data->shadow_reg[AN30259A_REG_LED1CNT2 + 1 * 4] &= ~AN30259A_MASK_DELAY; - data->shadow_reg[AN30259A_REG_LED1CNT2 + 2 * 4] &= ~AN30259A_MASK_DELAY; - data->shadow_reg[AN30259A_REG_LEDON] &= ~(LED_SLOPE_MODE << 0); - data->shadow_reg[AN30259A_REG_LEDON] &= ~(LED_SLOPE_MODE << 1); - data->shadow_reg[AN30259A_REG_LEDON] &= ~(LED_SLOPE_MODE << 2); - data->shadow_reg[AN30259A_REG_LED1CC + 0] = 0; - data->shadow_reg[AN30259A_REG_LED1CC + 1] = 0; - data->shadow_reg[AN30259A_REG_LED1CC + 2] = 0; - msleep(200); - #ifdef SEC_LED_SPECIFIC sysfs_remove_group(&led_dev->kobj, &sec_led_attr_group); #endif @@ -910,7 +931,6 @@ static int __devexit an30259a_remove(struct i2c_client *client) led_classdev_unregister(&data->leds[i].cdev); cancel_work_sync(&data->leds[i].brightness_work); } - mutex_destroy(&data->mutex); kfree(data); return 0; |