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From: "Henrik Rydberg" <rydberg@euromail.se>
To: H Hartley Sweeten <hartleys@visionengravers.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
	"linux-input@vger.kernel.org" <linux-input@vger.kernel.org>
Subject: Re: Question: I2C touchscreen controller
Date: Thu, 25 Aug 2011 09:23:24 +0200	[thread overview]
Message-ID: <20110825072324.GA4065@polaris.bitmath.org> (raw)
In-Reply-To: <ADE657CA350FB648AAC2C43247A983F001F388575A7F@AUSP01VMBX24.collaborationhost.net>

> It looks like these are the current I2C touchscreen drivers in mainline:
> 
> CONFIG_TOUCHSCREEN_88PM860X		pmic mfd device? probably not standalone
> CONFIG_TOUCHSCREEN_AD7879_I2C		datasheet looks simple enough
> CONFIG_TOUCHSCREEN_ATMEL_MXT		needs firmware? probably complicated
> CONFIG_TOUCHSCREEN_BU21013		can't find a datasheet
> CONFIG_TOUCHSCREEN_CY8CTMG110		looks like the chip may be obsolete
> CONFIG_TOUCHSCREEN_MAX11801		Maxim usually has long lead times
> CONFIG_TOUCHSCREEN_MCS5000		can't find a datasheet
> CONFIG_TOUCHSCREEN_STMPE		datasheet looks simple enough
> CONFIG_TOUCHSCREEN_TSC2007		datasheet looks simple enough
> 
> Based on that I'm considering the Analog Devices, STMicro, and TI parts.
> 
> Do you know if any of these work better than the others?

Out of those, bu21013 (and st1232 not on your list) are dual touch,
and atmel_mxt is true multitouch. The rest are single touch.

Cheers,
Henrik

  parent reply	other threads:[~2011-08-25  7:21 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-08-24 18:23 Question: I2C touchscreen controller H Hartley Sweeten
2011-08-24 19:54 ` Dmitry Torokhov
2011-08-24 20:19   ` H Hartley Sweeten
2011-08-24 20:46     ` Dmitry Torokhov
2011-08-25  7:23     ` Henrik Rydberg [this message]
2011-08-26 17:06       ` H Hartley Sweeten

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