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dinput: Only scale parameter value if its physical range is defined. 

Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Rémi Bernon 2021-11-19 09:39:38 +01:00 committed by Alexandre Julliard
parent b2ba9737ad
commit ef5fa6c716
1 changed files with 6 additions and 2 deletions
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8
dlls/dinput/joystick_hid.c
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@ -676,8 +676,12 @@ static void set_report_value( struct hid_joystick *impl, char *report_buf,
phy_min = caps->physical_min;
phy_max = caps->physical_max;
if (value > phy_max || value < phy_min) value = -1;
else value = log_min + (value - phy_min) * (log_max - log_min) / (phy_max - phy_min);
if (phy_max || phy_min)
{
if (value > phy_max || value < phy_min) value = -1;
else value = log_min + (value - phy_min) * (log_max - log_min) / (phy_max - phy_min);
}
status = HidP_SetUsageValue( HidP_Output, caps->usage_page, caps->link_collection,
caps->usage_min, value, preparsed, report_buf, report_len );
if (status != HIDP_STATUS_SUCCESS) WARN( "HidP_SetUsageValue %04x:%04x returned %#x\n",