Messages in this thread | | | Date | Mon, 28 Jul 2014 13:59:34 -0400 | Subject | Re: [v2] input: drv260x: Add TI drv260x haptics driver | From | simon@mungewel ... |
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>> The initial driver supports the devices >> real time playback mode. But the device >> has additional wave patterns in ROM. > > As it presented the device appears to be a memoryless device, however > you present it to the rest of the system as if it can support playback > of multiple effects simultaneously, which is incorrect. > > My guess that you need to engage the memoryless input library to schedule > handling multiple effects for your device, including ramping up, ramping > down, stopping playback when effects runs out, etc.
Hi Dan, Elias and Michal (cc'ed) are working on a kernel/userland library to handle sending multiple force feedback signals to 'simple' devices, perhaps you should engage with them.
Simon
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