Messages in this thread | | | Date | Mon, 6 Dec 2021 23:23:19 -0800 | From | Dmitry Torokhov <> | Subject | Re: [PATCH] Input: ff-core - Correct magnitude setting for rumble compatibility |
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On Tue, Nov 30, 2021 at 01:50:39PM +0000, Charles Keepax wrote: > When converting a rumble into a periodic effect, for compatibility, > the magnitude is effectively calculated using: > > magnitude = max(strong_rubble / 3 + weak_rubble / 6, 0x7fff); > > The rumble magnitudes are both u16 and the resulting magnitude is > s16. The max is presumably an attempt to limit the result of the > calculation to the maximum possible magnitude for the s16 result, > and thus should be a min. > > However in the case of strong = weak = 0xffff, the result of the first > part of the calculation is 0x7fff, meaning that the min would be > redundant anyway, so simply remove the current max. > > Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Applied, thank you.
-- Dmitry
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