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authorGravatar Mauro Carvalho Chehab <mchehab+samsung@kernel.org> 2018-12-05 13:16:24 -0500
committerGravatar Mauro Carvalho Chehab <mchehab+samsung@kernel.org> 2018-12-05 13:23:38 -0500
commit14a4467a0a5eacb2ebbe3aab1b4e25af3519c76a (patch)
tree541647056606d3e0aa1e06e62d2b40417623f8cb /drivers/hid/hid-input.c
parentmedia: pixfmt-meta-d4xx.rst: Add a license to it (diff)
parentMerge tag 'media/v4.20-4' of git://git.kernel.org/pub/scm/linux/kernel/git/mc... (diff)
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Merge commit '0072a0c14d5b7cb72c611d396f143f5dcd73ebe2' into patchwork
Merge from Upstream after the latest media fixes branch, because we need one patch that it is there. * commit '0072a0c14d5b7cb72c611d396f143f5dcd73ebe2': (1108 commits) ide: Change to use DEFINE_SHOW_ATTRIBUTE macro ide: pmac: add of_node_put() drivers/tty: add missing of_node_put() drivers/sbus/char: add of_node_put() sbus: char: add of_node_put() Linux 4.20-rc5 PCI: Fix incorrect value returned from pcie_get_speed_cap() MAINTAINERS: Update linux-mips mailing list address ocfs2: fix potential use after free mm/khugepaged: fix the xas_create_range() error path mm/khugepaged: collapse_shmem() do not crash on Compound mm/khugepaged: collapse_shmem() without freezing new_page mm/khugepaged: minor reorderings in collapse_shmem() mm/khugepaged: collapse_shmem() remember to clear holes mm/khugepaged: fix crashes due to misaccounted holes mm/khugepaged: collapse_shmem() stop if punched or truncated mm/huge_memory: fix lockdep complaint on 32-bit i_size_read() mm/huge_memory: splitting set mapping+index before unfreeze mm/huge_memory: rename freeze_page() to unmap_page() initramfs: clean old path before creating a hardlink ...
Diffstat (limited to 'drivers/hid/hid-input.c')
-rw-r--r--drivers/hid/hid-input.c47
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);