diff options
| -rw-r--r-- | drivers/hid/hid-logitech-hidpp.c | 33 |
1 files changed, 12 insertions, 21 deletions
diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c index 199cc256e9d9..29395da8f345 100644 --- a/drivers/hid/hid-logitech-hidpp.c +++ b/drivers/hid/hid-logitech-hidpp.c @@ -847,7 +847,7 @@ static int hidpp_root_get_protocol_version(struct hidpp_device *hidpp) if (ret == HIDPP_ERROR_INVALID_SUBID) { hidpp->protocol_major = 1; hidpp->protocol_minor = 0; - return 0; + goto print_version; } /* the device might not be connected */ @@ -865,18 +865,10 @@ static int hidpp_root_get_protocol_version(struct hidpp_device *hidpp) hidpp->protocol_major = response.fap.params[0]; hidpp->protocol_minor = response.fap.params[1]; - return ret; -} - -static bool hidpp_is_connected(struct hidpp_device *hidpp) -{ - int ret; - - ret = hidpp_root_get_protocol_version(hidpp); - if (!ret) - hid_dbg(hidpp->hid_dev, "HID++ %u.%u device connected.\n", - hidpp->protocol_major, hidpp->protocol_minor); - return ret == 0; +print_version: + hid_info(hidpp->hid_dev, "HID++ %u.%u device connected.\n", + hidpp->protocol_major, hidpp->protocol_minor); + return 0; } /* -------------------------------------------------------------------------- */ @@ -1012,7 +1004,11 @@ static int hidpp_map_battery_level(int capacity) { if (capacity < 11) return POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL; - else if (capacity < 31) + /* + * The spec says this should be < 31 but some devices report 30 + * with brand new batteries and Windows reports 30 as "Good". + */ + else if (capacity < 30) return POWER_SUPPLY_CAPACITY_LEVEL_LOW; else if (capacity < 81) return POWER_SUPPLY_CAPACITY_LEVEL_NORMAL; @@ -3135,13 +3131,11 @@ static void hidpp_connect_event(struct hidpp_device *hidpp) /* the device is already connected, we can ask for its name and * protocol */ if (!hidpp->protocol_major) { - ret = !hidpp_is_connected(hidpp); + ret = hidpp_root_get_protocol_version(hidpp); if (ret) { hid_err(hdev, "Can not get the protocol version.\n"); return; } - hid_info(hdev, "HID++ %u.%u device connected.\n", - hidpp->protocol_major, hidpp->protocol_minor); } if (hidpp->name == hdev->name && hidpp->protocol_major >= 2) { @@ -3289,7 +3283,7 @@ static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id) if (hidpp->quirks & HIDPP_QUIRK_UNIFYING) hidpp_unifying_init(hidpp); - connected = hidpp_is_connected(hidpp); + connected = hidpp_root_get_protocol_version(hidpp) == 0; atomic_set(&hidpp->connected, connected); if (!(hidpp->quirks & HIDPP_QUIRK_UNIFYING)) { if (!connected) { @@ -3298,9 +3292,6 @@ static int hidpp_probe(struct hid_device *hdev, const struct hid_device_id *id) goto hid_hw_open_failed; } - hid_info(hdev, "HID++ %u.%u device connected.\n", - hidpp->protocol_major, hidpp->protocol_minor); - hidpp_overwrite_name(hdev); } |