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From: marex@denx.de (Marek Vasut)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] IIO: Add basic MXS LRADC driver
Date: Fri, 20 Jul 2012 13:32:45 +0200	[thread overview]
Message-ID: <201207201332.46091.marex@denx.de> (raw)
In-Reply-To: <20120720083920.GY12601@pengutronix.de>

Dear Robert Schwebel,

> On Fri, Jul 20, 2012 at 04:18:41AM +0200, Marek Vasut wrote:
> > One more thing I'm curious about. There's another ADC block on the
> > CPU, called HSADC (high-speed ADC). It can sample even up to
> > 2Msamples/s. If I were to, say -- sample at 100kHz and be able to DMA
> > the results into memory -- is there any way to push such results into
> > userland somehow? Or how to operate such fast beast?
> 
> As this unit is mainly intended for things like laser / barcode
> scanners, wouldn't v2l2 be a good abstraction for it (with one line and
> N pixels)? Just an idea, didn't look too closely.

Considering it's not only for barcode scanners, but also some crazy sampling, I 
won't go for v4l2

Best regards,
Marek Vasut

  reply	other threads:[~2012-07-20 11:32 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-04  2:15 [PATCH] IIO: Add basic MXS LRADC driver Marek Vasut
2012-07-04  4:30 ` Wolfgang Denk
2012-07-04  8:35 ` Lars-Peter Clausen
2012-07-04 23:48   ` Marek Vasut
2012-07-05  8:33     ` Lars-Peter Clausen
2012-07-05 19:53       ` Marek Vasut
2012-07-19 14:23       ` Marek Vasut
2012-07-19 14:33         ` Lars-Peter Clausen
2012-07-19 15:15           ` Marek Vasut
2012-07-19 19:26           ` Marek Vasut
2012-07-20  2:18             ` Marek Vasut
2012-07-20  8:39               ` Robert Schwebel
2012-07-20 11:32                 ` Marek Vasut [this message]
2012-07-20 14:09               ` Lars-Peter Clausen
2012-07-22 19:48                 ` Jonathan Cameron
2012-07-20 14:11             ` Lars-Peter Clausen
2012-07-20 15:12               ` Marek Vasut
2012-07-09  9:19 ` Juergen Beisert
2012-07-09  9:52   ` Lars-Peter Clausen
2012-07-09 10:03   ` Marek Vasut
2012-07-10  9:20     ` Juergen Beisert
2012-07-10  9:26       ` Marek Vasut
2012-07-10  9:49         ` Juergen Beisert
2012-07-10 10:08           ` Marek Vasut
2012-07-10 10:26             ` Juergen Beisert
2012-07-10 10:35               ` Lars-Peter Clausen
2012-07-10 10:41                 ` Juergen Beisert
2012-07-10 10:45                   ` Marek Vasut

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