diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-27 15:47:52 +0100 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-11-27 15:47:52 +0100 |
commit | dc93967b8094b64ea3fd85bf933561d89b6951af (patch) | |
tree | 70a3e98b1e1a9ace63900a019e559981fe675dfd /drivers/hid/hid-input.c | |
parent | 8341f2f222d729688014ce8306727fdb9798d37e (diff) | |
parent | 2e6e902d185027f8e3cb8b7305238f7e35d6a436 (diff) |
Merge 4.20-rc4 into tty-next
We need the gsps fixes in here for some other serdev patches we will be
merging into this branch.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/hid/hid-input.c')
-rw-r--r-- | drivers/hid/hid-input.c | 47 |
1 files changed, 3 insertions, 44 deletions
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index a2f74e6adc70..d6fab5798487 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -325,6 +325,9 @@ static const struct hid_device_id hid_battery_quirks[] = { { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084), HID_BATTERY_QUIRK_IGNORE }, + { HID_USB_DEVICE(USB_VENDOR_ID_SYMBOL, + USB_DEVICE_ID_SYMBOL_SCANNER_3), + HID_BATTERY_QUIRK_IGNORE }, {} }; @@ -1838,47 +1841,3 @@ void hidinput_disconnect(struct hid_device *hid) } EXPORT_SYMBOL_GPL(hidinput_disconnect); -/** - * hid_scroll_counter_handle_scroll() - Send high- and low-resolution scroll - * events given a high-resolution wheel - * movement. - * @counter: a hid_scroll_counter struct describing the wheel. - * @hi_res_value: the movement of the wheel, in the mouse's high-resolution - * units. - * - * Given a high-resolution movement, this function converts the movement into - * microns and emits high-resolution scroll events for the input device. It also - * uses the multiplier from &struct hid_scroll_counter to emit low-resolution - * scroll events when appropriate for backwards-compatibility with userspace - * input libraries. - */ -void hid_scroll_counter_handle_scroll(struct hid_scroll_counter *counter, - int hi_res_value) -{ - int low_res_value, remainder, multiplier; - - input_report_rel(counter->dev, REL_WHEEL_HI_RES, - hi_res_value * counter->microns_per_hi_res_unit); - - /* - * Update the low-res remainder with the high-res value, - * but reset if the direction has changed. - */ - remainder = counter->remainder; - if ((remainder ^ hi_res_value) < 0) - remainder = 0; - remainder += hi_res_value; - - /* - * Then just use the resolution multiplier to see if - * we should send a low-res (aka regular wheel) event. - */ - multiplier = counter->resolution_multiplier; - low_res_value = remainder / multiplier; - remainder -= low_res_value * multiplier; - counter->remainder = remainder; - - if (low_res_value) - input_report_rel(counter->dev, REL_WHEEL, low_res_value); -} -EXPORT_SYMBOL_GPL(hid_scroll_counter_handle_scroll); |