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Date: Fri, 16 Sep 2011 09:42:16 +0300 From: Péter Ujfalusi <peter.ujfalusi@...com> To: Dmitry Torokhov <dmitry.torokhov@...il.com> Cc: Samuel Ortiz <samuel.ortiz@...el.com>, Mark Brown <broonie@...nsource.wolfsonmicro.com>, Liam Girdwood <lrg@...com>, alsa-devel@...a-project.org, linux-kernel@...r.kernel.org, Misael Lopez Cruz <misael.lopez@...com>, linux-input@...r.kernel.org Subject: Re: Re: [PATCH 4/8] Input: twl6040-vibra: Check the selected path for vibra On Thursday 15 September 2011 23:27:20 Dmitry Torokhov wrote: > This is not very helpful for the application trying to use the device. > Maybe we should zap the device when channels are routed through audio > instead of dripping requests? Yes, I have thought about that as well, but it can cause other problems. I have modified the fftest tool from: http://www.koders.com/c/fidF60D5962FCA8B937A6D0947AA81AE95A8C58FB36.aspx for my needs. It opens the /dev/input/eventX, and it will keep it open as long as it is running. It is OK for me, since the twl6040-vibra goes to low power mode when we do not have effects running. I can imagine, that real world application will do the same, and that might cause some problems, if I try to zap the device. Can we zap a device, while it is open? How application will handle that event? -- Péter -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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