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Author SHA1 Message Date
Jonathan Corbet 67eb6f9617 viafb: suspend/resume for GPIOs
Be sure to re-enable GPIO lines on resume.  Users still have to
be sure to set them properly.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
2010-11-09 16:18:29 +00:00
Andrew Morton f27098379b drivers/video/via/via-gpio.c: fix warning
drivers/video/via/via-gpio.c: In function 'viafb_gpio_probe':
drivers/video/via/via-gpio.c:216: warning: assignment from incompatible pointer type

Cc: Joseph Chan <JosephChan@via.com.tw>
Cc: Scott Fang <ScottFang@viatech.com.cn>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
2010-08-05 22:36:27 +00:00
Jonathan Corbet ec66841e49 viafb: move some include files to include/linux
These are the files which should be available to subdevices compiled
outside of drivers/video/via.

Cc: ScottFang@viatech.com.cn
Cc: JosephChan@via.com.tw
Cc: Harald Welte <laforge@gnumonks.org>
Acked-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2010-05-11 16:07:59 -06:00
Jonathan Corbet 9221fc6556 viafb: Eliminate some global.h references
The various subdev drivers (other than the framebuffer itself) no longer
need this file.

Cc: ScottFang@viatech.com.cn
Cc: JosephChan@via.com.tw
Cc: Harald Welte <laforge@gnumonks.org>
Acked-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2010-05-11 16:07:33 -06:00
Jonathan Corbet 27fe971d08 viafb: Do not remove gpiochip under spinlock
gpiochip_remove() is not meant to be called with interrupts disabled, and
there is no need for the lock here in any case.

Reported-by: Bruno Prémont <bonbons@linux-vserver.org>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2010-05-07 17:17:40 -06:00
Jonathan Corbet 7582eb9be8 viafb: Turn GPIO and i2c into proper platform devices
Another step toward making this thing a real multifunction device driver.

Cc: ScottFang@viatech.com.cn
Cc: JosephChan@via.com.tw
Cc: Harald Welte <laforge@gnumonks.org>
Acked-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2010-05-07 17:17:37 -06:00
Jonathan Corbet 75b035ace9 viafb: Convert GPIO and i2c to the new indexed port ops
Also add low-level locking to the i2c driver.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2010-05-07 17:16:03 -06:00
Jonathan Corbet 7e0de02268 viafb: add a driver for GPIO lines
This is a simple gpiolib driver giving access to the GPIO lines in the
VIA framebuffer system.  A simple mechanism exists for switching lines
between GPIO and I2C, but it's only compile-time for now.

Cc: ScottFang@viatech.com.cn
Cc: JosephChan@via.com.tw
Cc: Harald Welte <laforge@gnumonks.org>
Acked-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2010-05-07 17:16:02 -06:00