diff options
author | Hans de Goede <hdegoede@redhat.com> | 2020-07-04 15:27:39 +0200 |
---|---|---|
committer | Jiri Kosina <jkosina@suse.cz> | 2020-07-07 12:42:26 +0200 |
commit | 484921f571b1924a49421a999897387f8de33fbf (patch) | |
tree | e7ec63833e00be00aa5a3724c812393a66f6f013 /drivers/hid/hid-lenovo.c | |
parent | b72cdfa824243f8da7b7c4503844cd0d2f9fae09 (diff) | |
download | linux-484921f571b1924a49421a999897387f8de33fbf.tar.bz2 |
HID: lenovo: Factor out generic parts of the LED code
Factor out the generic parts of the tpkbd LED code, so that they can be
re-used for supporting the LEDs on the Thinkpad 10 ultrabook kbd.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/hid/hid-lenovo.c')
-rw-r--r-- | drivers/hid/hid-lenovo.c | 98 |
1 files changed, 58 insertions, 40 deletions
diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c index e58d270c909d..feb0cbc6742e 100644 --- a/drivers/hid/hid-lenovo.c +++ b/drivers/hid/hid-lenovo.c @@ -638,7 +638,18 @@ static const struct attribute_group lenovo_attr_group_tpkbd = { .attrs = lenovo_attributes_tpkbd, }; -static enum led_brightness lenovo_led_brightness_get_tpkbd( +static void lenovo_led_set_tpkbd(struct hid_device *hdev) +{ + struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); + struct hid_report *report; + + report = hdev->report_enum[HID_OUTPUT_REPORT].report_id_hash[3]; + report->field[0]->value[0] = (data_pointer->led_state >> 0) & 1; + report->field[0]->value[1] = (data_pointer->led_state >> 1) & 1; + hid_hw_request(hdev, report, HID_REQ_SET_REPORT); +} + +static enum led_brightness lenovo_led_brightness_get( struct led_classdev *led_cdev) { struct device *dev = led_cdev->dev->parent; @@ -654,13 +665,12 @@ static enum led_brightness lenovo_led_brightness_get_tpkbd( : LED_OFF; } -static void lenovo_led_brightness_set_tpkbd(struct led_classdev *led_cdev, +static void lenovo_led_brightness_set(struct led_classdev *led_cdev, enum led_brightness value) { struct device *dev = led_cdev->dev->parent; struct hid_device *hdev = to_hid_device(dev); struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev); - struct hid_report *report; int led_nr = 0; if (led_cdev == &data_pointer->led_micmute) @@ -671,20 +681,54 @@ static void lenovo_led_brightness_set_tpkbd(struct led_classdev *led_cdev, else data_pointer->led_state |= 1 << led_nr; - report = hdev->report_enum[HID_OUTPUT_REPORT].report_id_hash[3]; - report->field[0]->value[0] = (data_pointer->led_state >> 0) & 1; - report->field[0]->value[1] = (data_pointer->led_state >> 1) & 1; - hid_hw_request(hdev, report, HID_REQ_SET_REPORT); + switch (hdev->product) { + case USB_DEVICE_ID_LENOVO_TPKBD: + lenovo_led_set_tpkbd(hdev); + break; + } +} + +static int lenovo_register_leds(struct hid_device *hdev) +{ + struct lenovo_drvdata *data = hid_get_drvdata(hdev); + size_t name_sz = strlen(dev_name(&hdev->dev)) + 16; + char *name_mute, *name_micm; + int ret; + + name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); + name_micm = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); + if (name_mute == NULL || name_micm == NULL) { + hid_err(hdev, "Could not allocate memory for led data\n"); + return -ENOMEM; + } + snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(&hdev->dev)); + snprintf(name_micm, name_sz, "%s:amber:micmute", dev_name(&hdev->dev)); + + data->led_mute.name = name_mute; + data->led_mute.brightness_get = lenovo_led_brightness_get; + data->led_mute.brightness_set = lenovo_led_brightness_set; + data->led_mute.dev = &hdev->dev; + ret = led_classdev_register(&hdev->dev, &data->led_mute); + if (ret < 0) + return ret; + + data->led_micmute.name = name_micm; + data->led_micmute.brightness_get = lenovo_led_brightness_get; + data->led_micmute.brightness_set = lenovo_led_brightness_set; + data->led_micmute.dev = &hdev->dev; + ret = led_classdev_register(&hdev->dev, &data->led_micmute); + if (ret < 0) { + led_classdev_unregister(&data->led_mute); + return ret; + } + + return 0; } static int lenovo_probe_tpkbd(struct hid_device *hdev) { - struct device *dev = &hdev->dev; struct lenovo_drvdata *data_pointer; - size_t name_sz = strlen(dev_name(dev)) + 16; - char *name_mute, *name_micmute; - int i; - int ret; + int i, ret; /* * Only register extra settings against subdevice where input_mapping @@ -720,37 +764,11 @@ static int lenovo_probe_tpkbd(struct hid_device *hdev) data_pointer->sensitivity = 0xa0; data_pointer->press_speed = 0x38; - name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); - name_micmute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL); - if (name_mute == NULL || name_micmute == NULL) { - hid_err(hdev, "Could not allocate memory for led data\n"); - ret = -ENOMEM; - goto err; - } - snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(dev)); - snprintf(name_micmute, name_sz, "%s:amber:micmute", dev_name(dev)); - hid_set_drvdata(hdev, data_pointer); - data_pointer->led_mute.name = name_mute; - data_pointer->led_mute.brightness_get = lenovo_led_brightness_get_tpkbd; - data_pointer->led_mute.brightness_set = lenovo_led_brightness_set_tpkbd; - data_pointer->led_mute.dev = dev; - ret = led_classdev_register(dev, &data_pointer->led_mute); - if (ret < 0) - goto err; - - data_pointer->led_micmute.name = name_micmute; - data_pointer->led_micmute.brightness_get = - lenovo_led_brightness_get_tpkbd; - data_pointer->led_micmute.brightness_set = - lenovo_led_brightness_set_tpkbd; - data_pointer->led_micmute.dev = dev; - ret = led_classdev_register(dev, &data_pointer->led_micmute); - if (ret < 0) { - led_classdev_unregister(&data_pointer->led_mute); + ret = lenovo_register_leds(hdev); + if (ret) goto err; - } lenovo_features_set_tpkbd(hdev); |