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| author |   Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2018-11-21 16:27:07 +0100 |
|---|---|---|
| committer | Benjamin Tissoires <benjamin.tissoires@redhat.com> | 2018-11-22 08:57:03 +0100 |
| commit | d0341efe7449860e1bbfdd282b3b7f0c34309222 (patch) | |
| tree | e4f25e977625c51ac0e79a4816d30ef865d854b2 /drivers/hid/hid-logitech-hidpp.c | |
| parent | Revert "HID: input: simplify/fix high-res scroll event handling" (diff) | |
| download | linux-dev-d0341efe7449860e1bbfdd282b3b7f0c34309222.tar.xz linux-dev-d0341efe7449860e1bbfdd282b3b7f0c34309222.zip | |
Revert "HID: logitech: fix a used uninitialized GCC warning"
This reverts commit 5fe2ccbef9d7aecf5c4402c753444f1a12096cfd.
It turns out the current API is not that compatible with
some Microsoft mice, so better start again from scratch.
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Acked-by: Harry Cutts <hcutts@chromium.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to '')
| -rw-r--r-- | drivers/hid/hid-logitech-hidpp.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/hid/hid-logitech-hidpp.c b/drivers/hid/hid-logitech-hidpp.c index f01280898b24..5f0c080059c6 100644 --- a/drivers/hid/hid-logitech-hidpp.c +++ b/drivers/hid/hid-logitech-hidpp.c @@ -1231,6 +1231,7 @@ static int hidpp_hrw_get_wheel_capability(struct hidpp_device *hidpp, *multiplier = response.fap.params[0]; return 0; return_default: + *multiplier = 8; hid_warn(hidpp->hid_dev, "Couldn't get wheel multiplier (error %d), assuming %d.\n", ret, *multiplier); @@ -2695,7 +2696,7 @@ static int hi_res_scroll_look_up_microns(__u32 product_id) static int hi_res_scroll_enable(struct hidpp_device *hidpp) { int ret; - u8 multiplier = 8; + u8 multiplier; if (hidpp->quirks & HIDPP_QUIRK_HI_RES_SCROLL_X2121) { ret = hidpp_hrw_set_wheel_mode(hidpp, false, true, false); @@ -2703,9 +2704,10 @@ static int hi_res_scroll_enable(struct hidpp_device *hidpp) } else if (hidpp->quirks & HIDPP_QUIRK_HI_RES_SCROLL_X2120) { ret = hidpp_hrs_set_highres_scrolling_mode(hidpp, true, &multiplier); - } else /* if (hidpp->quirks & HIDPP_QUIRK_HI_RES_SCROLL_1P0) */ + } else /* if (hidpp->quirks & HIDPP_QUIRK_HI_RES_SCROLL_1P0) */ { ret = hidpp10_enable_scrolling_acceleration(hidpp); - + multiplier = 8; + } if (ret) return ret; |