From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Date: Mon, 01 Feb 2010 22:09:32 +0000 Subject: Re: [PATCH/RFC 2.6.33-rc5 1/1] broadsheetfb: support storing Message-Id: <20100201140932.26fbc1e6.akpm@linux-foundation.org> List-Id: References: <1264395836-9892-1-git-send-email-jayakumar.lkml@gmail.com> In-Reply-To: <1264395836-9892-1-git-send-email-jayakumar.lkml@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-fbdev@vger.kernel.org On Mon, 1 Feb 2010 18:35:08 +0800 Jaya Kumar wrote: > This patch adds the ability to store waveforms to broadsheetfb. It uses the > firmware class to retrieve the waveform. The request to store the waveform > is triggered from a driver sysfs entry called loadstore_waveform. I > considered adding this to Documentation/ABI/testing/ but then decided against > it. It is not something I would expect a user to ever interact with. It > would be only useful for people doing platform bringup and other such dirty > activities. Also, I noticed it is not (yet?) common practice to document > sysfs entries for fbdev drivers in there. Please let me know your feedback. > > Thanks, > jaya > > This patch adds waveform storing capability to broadsheetfb. It uses the > firmware class to retrieve the waveform, and the request to initiate the > waveform storing is done via a driver sysfs entry, loadstore_waveform. Please educate me: broadsheet is a framebuffer device, is it not? What does it mean to record a waveform into a framebuffer device? In what way will a user observe the waveform? Is it audio? From the patch it appears that this mysterious device has flash memory too? Mystified!