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From: Bjorn Helgaas <bjorn.helgaas@hp.com>
To: Russell King <rmk+serial@arm.linux.org.uk>
Cc: linux-serial@vger.kernel.org, Andrew Morton <akpm@osdl.org>,
	David Ludlow <dave@adsllc.com>,
	Christopher Kemp <ck231@cam.ac.uk>
Subject: [SERIAL] Claim Wacom tablet device on HP tc1100 tablet
Date: Fri, 11 Nov 2005 16:55:22 -0700	[thread overview]
Message-ID: <200511111655.22637.bjorn.helgaas@hp.com> (raw)

Claim the WACF005 device.  This is the pen display pointing device on
the HP Compaq tc1100 Tablet PC.  More information about using this
device, including using it as an X pointer device:

    http://www.theory.bham.ac.uk/staff/schofield/linux/tc1100/

Christopher Kemp <ck231@cam.ac.uk> did the legwork of determining that
the WACF005 is really just a plain old UART and doing an initial ACPI
driver (before we had PNPACPI), and David Ludlow <dave@adsllc.com>
confirmed that PNPACPI + the attached patch is now sufficient:

    pnp: Device 00:05 activated.
    ttyS4 at I/O 0x300 (irq = 4) is a 16550A

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>

Index: work-mm1/drivers/serial/8250_pnp.c
===================================================================
--- work-mm1.orig/drivers/serial/8250_pnp.c	2005-11-08 15:57:32.000000000 -0700
+++ work-mm1/drivers/serial/8250_pnp.c	2005-11-11 16:34:02.000000000 -0700
@@ -323,6 +323,8 @@
 	{	"USR9180",		0	},
 	/* U.S. Robotics 56K Voice INT PnP*/
 	{	"USR9190",		0	},
+	/* HP Compaq Tablet PC tc1100 Wacom tablet */
+	{	"WACF005",		0	},
 	/* Rockwell's (PORALiNK) 33600 INT PNP */
 	{	"WCI0003",		0	},
 	/* Unkown PnP modems */

             reply	other threads:[~2005-11-11 23:55 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-11 23:55 Bjorn Helgaas [this message]
2005-11-12 22:06 ` [SERIAL] Claim Wacom tablet device on HP tc1100 tablet Russell King

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