From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: <ilkka.koskinen@nokia.com>
Cc: <grant.likely@secretlab.ca>, <linux-input@vger.kernel.org>,
<dmitry.torokhov@gmail.com>,
<spi-devel-general@lists.sourceforge.net>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] input: spi: Driver for SPI data stream driven vibrator
Date: Wed, 27 Oct 2010 10:19:35 +0100 [thread overview]
Message-ID: <20101027101935.1b50b9dd@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <F80267346F10C541946CBE8909F1C39E35932598BB@NOK-EUMSG-02.mgdnok.nokia.com>
> The driver could, of course, calculate the bit streams with help of
> board specific functions. It was just thought that tuning vibration
> device would be a lot easier, if we could just modify the bit streams
> provided by user space application. In fact, the bit stream basically
> consists of series of PWM pulses that are fed to the vibra.
>
> Perhaps, calculating the waveforms in the driver at probe time would
> be the most natural choice :\
Or assuming its a trivial conversion accepting them in a standard format
and doing a quick pass across them ?
(and failing that adding and documenting the format..)
next prev parent reply other threads:[~2010-10-27 9:20 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-25 13:31 Ilkka Koskinen
2010-10-26 11:13 ` Grant Likely
2010-10-26 11:17 ` Alan Cox
2010-10-26 16:52 ` ilkka.koskinen
2010-10-26 16:50 ` ilkka.koskinen
2010-10-27 8:47 ` Grant Likely
2010-10-27 8:58 ` Dmitry Torokhov
2010-10-27 9:19 ` Alan Cox [this message]
2010-10-26 16:09 ` Dmitry Torokhov
2010-10-27 12:55 ` ilkka.koskinen
2010-11-07 23:51 ` Alan Cox
2010-11-08 11:08 ` ilkka.koskinen
2010-11-08 11:38 ` Alan Cox
2010-11-08 12:18 ` ilkka.koskinen
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