diff options
Diffstat (limited to 'drivers/hwmon/applesmc.c')
| -rw-r--r-- | drivers/hwmon/applesmc.c | 169 |
1 files changed, 76 insertions, 93 deletions
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index b0792361c52..ec06b998927 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -992,47 +992,27 @@ static struct led_classdev applesmc_backlight = { .brightness_set = applesmc_brightness_set, }; -static DEVICE_ATTR(name, 0444, applesmc_name_show, NULL); - -static DEVICE_ATTR(position, 0444, applesmc_position_show, NULL); -static DEVICE_ATTR(calibrate, 0644, - applesmc_calibrate_show, applesmc_calibrate_store); - -static struct attribute *accelerometer_attributes[] = { - &dev_attr_position.attr, - &dev_attr_calibrate.attr, - NULL +static struct applesmc_node_group info_group[] = { + { "name", applesmc_name_show }, + { "key_count", applesmc_key_count_show }, + { "key_at_index", applesmc_key_at_index_show, applesmc_key_at_index_store }, + { "key_at_index_name", applesmc_key_at_index_name_show }, + { "key_at_index_type", applesmc_key_at_index_type_show }, + { "key_at_index_data_length", applesmc_key_at_index_data_length_show }, + { "key_at_index_data", applesmc_key_at_index_read_show }, + { } }; -static const struct attribute_group accelerometer_attributes_group = - { .attrs = accelerometer_attributes }; - -static DEVICE_ATTR(light, 0444, applesmc_light_show, NULL); - -static DEVICE_ATTR(key_count, 0444, applesmc_key_count_show, NULL); -static DEVICE_ATTR(key_at_index, 0644, - applesmc_key_at_index_show, applesmc_key_at_index_store); -static DEVICE_ATTR(key_at_index_name, 0444, - applesmc_key_at_index_name_show, NULL); -static DEVICE_ATTR(key_at_index_type, 0444, - applesmc_key_at_index_type_show, NULL); -static DEVICE_ATTR(key_at_index_data_length, 0444, - applesmc_key_at_index_data_length_show, NULL); -static DEVICE_ATTR(key_at_index_data, 0444, - applesmc_key_at_index_read_show, NULL); - -static struct attribute *key_enumeration_attributes[] = { - &dev_attr_key_count.attr, - &dev_attr_key_at_index.attr, - &dev_attr_key_at_index_name.attr, - &dev_attr_key_at_index_type.attr, - &dev_attr_key_at_index_data_length.attr, - &dev_attr_key_at_index_data.attr, - NULL +static struct applesmc_node_group accelerometer_group[] = { + { "position", applesmc_position_show }, + { "calibrate", applesmc_calibrate_show, applesmc_calibrate_store }, + { } }; -static const struct attribute_group key_enumeration_group = - { .attrs = key_enumeration_attributes }; +static struct applesmc_node_group light_sensor_group[] = { + { "light", applesmc_light_show }, + { } +}; static struct applesmc_node_group fan_group[] = { { "fan%d_label", applesmc_show_fan_position }, @@ -1115,8 +1095,10 @@ static int applesmc_create_accelerometer(void) struct input_dev *idev; int ret; - ret = sysfs_create_group(&pdev->dev.kobj, - &accelerometer_attributes_group); + if (!smcreg.has_accelerometer) + return 0; + + ret = applesmc_create_nodes(accelerometer_group, 1); if (ret) goto out; @@ -1153,7 +1135,7 @@ out_idev: input_free_polled_device(applesmc_idev); out_sysfs: - sysfs_remove_group(&pdev->dev.kobj, &accelerometer_attributes_group); + applesmc_destroy_nodes(accelerometer_group); out: pr_warn("driver init failed (ret=%d)!\n", ret); @@ -1163,10 +1145,45 @@ out: /* Release all ressources used by the accelerometer */ static void applesmc_release_accelerometer(void) { + if (!smcreg.has_accelerometer) + return; input_unregister_polled_device(applesmc_idev); input_free_polled_device(applesmc_idev); - sysfs_remove_group(&pdev->dev.kobj, &accelerometer_attributes_group); + applesmc_destroy_nodes(accelerometer_group); } + +static int applesmc_create_light_sensor(void) +{ + if (!smcreg.num_light_sensors) + return 0; + return applesmc_create_nodes(light_sensor_group, 1); +} + +static void applesmc_release_light_sensor(void) +{ + if (!smcreg.num_light_sensors) + return; + applesmc_destroy_nodes(light_sensor_group); +} + +static int applesmc_create_key_backlight(void) +{ + if (!smcreg.has_key_backlight) + return 0; + applesmc_led_wq = create_singlethread_workqueue("applesmc-led"); + if (!applesmc_led_wq) + return -ENOMEM; + return led_classdev_register(&pdev->dev, &applesmc_backlight); +} + +static void applesmc_release_key_backlight(void) +{ + if (!smcreg.has_key_backlight) + return; + led_classdev_unregister(&applesmc_backlight); + destroy_workqueue(applesmc_led_wq); +} + static int applesmc_dmi_match(const struct dmi_system_id *id) { return 1; @@ -1234,15 +1251,10 @@ static int __init applesmc_init(void) if (ret) goto out_device; - ret = sysfs_create_file(&pdev->dev.kobj, &dev_attr_name.attr); + ret = applesmc_create_nodes(info_group, 1); if (ret) goto out_smcreg; - /* Create key enumeration sysfs files */ - ret = sysfs_create_group(&pdev->dev.kobj, &key_enumeration_group); - if (ret) - goto out_name; - ret = applesmc_create_nodes(fan_group, smcreg.fan_count); if (ret) goto out_info; @@ -1251,32 +1263,17 @@ static int __init applesmc_init(void) if (ret) goto out_fans; - if (smcreg.has_accelerometer) { - ret = applesmc_create_accelerometer(); - if (ret) - goto out_temperature; - } - - if (smcreg.num_light_sensors) { - /* Add light sensor file */ - ret = sysfs_create_file(&pdev->dev.kobj, &dev_attr_light.attr); - if (ret) - goto out_accelerometer; - } + ret = applesmc_create_accelerometer(); + if (ret) + goto out_temperature; - if (smcreg.has_key_backlight) { - /* Create the workqueue */ - applesmc_led_wq = create_singlethread_workqueue("applesmc-led"); - if (!applesmc_led_wq) { - ret = -ENOMEM; - goto out_light_sysfs; - } + ret = applesmc_create_light_sensor(); + if (ret) + goto out_accelerometer; - /* register as a led device */ - ret = led_classdev_register(&pdev->dev, &applesmc_backlight); - if (ret < 0) - goto out_light_wq; - } + ret = applesmc_create_key_backlight(); + if (ret) + goto out_light_sysfs; hwmon_dev = hwmon_device_register(&pdev->dev); if (IS_ERR(hwmon_dev)) { @@ -1289,25 +1286,17 @@ static int __init applesmc_init(void) return 0; out_light_ledclass: - if (smcreg.has_key_backlight) - led_classdev_unregister(&applesmc_backlight); -out_light_wq: - if (smcreg.has_key_backlight) - destroy_workqueue(applesmc_led_wq); + applesmc_release_key_backlight(); out_light_sysfs: - if (smcreg.num_light_sensors) - sysfs_remove_file(&pdev->dev.kobj, &dev_attr_light.attr); + applesmc_release_light_sensor(); out_accelerometer: - if (smcreg.has_accelerometer) - applesmc_release_accelerometer(); + applesmc_release_accelerometer(); out_temperature: applesmc_destroy_nodes(temp_group); out_fans: applesmc_destroy_nodes(fan_group); out_info: - sysfs_remove_group(&pdev->dev.kobj, &key_enumeration_group); -out_name: - sysfs_remove_file(&pdev->dev.kobj, &dev_attr_name.attr); + applesmc_destroy_nodes(info_group); out_smcreg: applesmc_destroy_smcreg(); out_device: @@ -1324,18 +1313,12 @@ out: static void __exit applesmc_exit(void) { hwmon_device_unregister(hwmon_dev); - if (smcreg.has_key_backlight) { - led_classdev_unregister(&applesmc_backlight); - destroy_workqueue(applesmc_led_wq); - } - if (smcreg.num_light_sensors) - sysfs_remove_file(&pdev->dev.kobj, &dev_attr_light.attr); - if (smcreg.has_accelerometer) - applesmc_release_accelerometer(); + applesmc_release_key_backlight(); + applesmc_release_light_sensor(); + applesmc_release_accelerometer(); applesmc_destroy_nodes(temp_group); applesmc_destroy_nodes(fan_group); - sysfs_remove_group(&pdev->dev.kobj, &key_enumeration_group); - sysfs_remove_file(&pdev->dev.kobj, &dev_attr_name.attr); + applesmc_destroy_nodes(info_group); applesmc_destroy_smcreg(); platform_device_unregister(pdev); platform_driver_unregister(&applesmc_driver); |