This mouse, when asked about the battery, ceases to report movements and
clicks. So just don't ask.
Signed-off-by: Alexander E. Patrakov <patra...@gmail.com>
---
drivers/hid/hid-input.c | 17 ++++++++++++-----
1 file changed, 12 insertions(+), 5 deletions(-)
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index 2ba6bf6..0869fae 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -303,6 +303,7 @@ static enum power_supply_property hidinput_battery_props[]
= {
#define HID_BATTERY_QUIRK_PERCENT (1 << 0) /* always reports percent */
#define HID_BATTERY_QUIRK_FEATURE (1 << 1) /* ask for feature report */
+#define HID_BATTERY_QUIRK_IGNORE (1 << 2) /* completely ignore the
battery */
static const struct hid_device_id hid_battery_quirks[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
@@ -320,6 +321,9 @@ static const struct hid_device_id hid_battery_quirks[] = {
{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI),
HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM,
+ USB_DEVICE_ID_ELECOM_BM084),
+ HID_BATTERY_QUIRK_IGNORE },
{}
};
@@ -408,6 +412,14 @@ static bool hidinput_setup_battery(struct hid_device *dev,
unsigned report_type,
if (dev->battery != NULL)
goto out; /* already initialized? */
+ quirks = find_battery_quirk(dev);
+
+ hid_dbg(dev, "device %x:%x:%x %d quirks %d\n",
+ dev->bus, dev->vendor, dev->product, dev->version, quirks);
+
+ if (quirks & HID_BATTERY_QUIRK_IGNORE)
+ goto out;
+
psy_desc = kzalloc(sizeof(*psy_desc), GFP_KERNEL);
if (psy_desc == NULL)
goto out;
@@ -424,11 +436,6 @@ static bool hidinput_setup_battery(struct hid_device *dev,
unsigned report_type,
psy_desc->use_for_apm = 0;
psy_desc->get_property = hidinput_get_battery_property;
- quirks = find_battery_quirk(dev);
-
- hid_dbg(dev, "device %x:%x:%x %d quirks %d\n",
- dev->bus, dev->vendor, dev->product, dev->version, quirks);
-
min = field->logical_minimum;
max = field->logical_maximum;
--
2.6.4
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