08 Jan, 2011
1 commit
03 Jan, 2011
1 commit
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We have a memory leak in drivers/hid/hid-picolcd.c::picolcd_debug_out_report()
in an error path.. We are not always freeing the memory allocated to
'buff' - this patch makes sure we always kfree() what we allocate with
kmalloc() when it is no longer needed.Signed-off-by: Jesper Juhl
Signed-off-by: Jiri Kosina
27 Dec, 2010
1 commit
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CC: Bruno Prémont
CC: Jiri Kosina
Signed-off-by: David Sterba
Signed-off-by: Jiri Kosina
12 Dec, 2010
1 commit
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flush_scheduled_work() is deprecated and scheduled to be removed.
Directly flush picolcd_fb_cleanup on exit instead.Signed-off-by: Tejun Heo
Cc: Jiri Kosina
Signed-off-by: Jiri Kosina
10 Dec, 2010
1 commit
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Neaten current uses of dev_ by adding and using
hid specific hid_ macros.Convert existing uses of dev_ uses to hid_.
Convert hid-pidff printk uses to hid_.Remove err_hid and use hid_err instead.
Add missing newlines to logging messages where necessary.
Coalesce format strings.Add and use pr_fmt(fmt) KBUILD_MODNAME ": " fmt
Other miscellaneous changes:
Add const struct hid_device * argument to hid-core functions
extract() and implement() so hid_ can be used by them.
Fix bad indentation in hid-core hid_input_field function
that calls extract() function above.Signed-off-by: Joe Perches
Signed-off-by: Jiri Kosina
08 Dec, 2010
1 commit
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Instead of exposing the guts of hid->ll_driver relationship to HID
sub-drivers provide these helpers to encapsulate the details.Signed-off-by: Dmitry Torokhov
Signed-off-by: Jiri Kosina
06 Aug, 2010
2 commits
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Fix the free() ordering (which was never reached due to wrong check).
Signed-off-by: Bruno Prémont
Signed-off-by: Jiri Kosina -
"ref_cnt" is a point to the reference count and it's non-null. We really
want to test the reference count itself.Signed-off-by: Dan Carpenter
Signed-off-by: Jiri Kosina
13 Jul, 2010
3 commits
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As our device may be hot-unplugged and framebuffer cannot handle
this case by itself we need to keep track of usage count so as
to release fb_info and framebuffer memory only after the last user
has closed framebuffer.We need to do the freeing in a scheduled work as fb_release()
is called with fb_info lock held.Signed-off-by: Bruno Prémont
Signed-off-by: Jiri Kosina -
Reallocating memory in depth change does not work well if some
userspace application has mmapped() the framebuffer as that mapping
does not get adjusted (thus application continues to write to old
buffer).
In addition doing deferred_io_cleanup() and init() inside of set_par()
tends to deadlock with fbcon's flashing cursor.Avoid all this by allocating a buffer that can hold 8bpp framebuffer
and just use 1/8 of it while running at 1bpp.Signed-off-by: Bruno Prémont
Signed-off-by: Jiri Kosina -
Add a minimal palette so fbcon does not try to dereference
a NULL point when fb is set to 8bpp.fbcon stores pixels the other way around in bytes for 1bpp
than intially implemented, correct this.Signed-off-by: Bruno Prémont
Signed-off-by: Jiri Kosina
12 Jul, 2010
1 commit
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Adjust ordering if framebuffer (un)registration and defio init/cleanup
to match the correct order (init defio, register FB ... unregister FB,
cleanup defio)Acked-by: Jaya Kumar
Signed-off-by: Bruno Prémont
Signed-off-by: Jiri Kosina
17 May, 2010
1 commit
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The skip label frees resp, which has not been allocated at the point of
this goto and then does a break, based on the fact that err is non-zero.
This is replaced by a break directly.A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)//
@free@
expression E;
position p;
@@
kfree@p(E)@@
expression free.E, subESigned-off-by: Julia Lawall
Signed-off-by: Jiri Kosina
03 May, 2010
1 commit
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Add PM support in order to turn off backlight on suspend, restore
it on resume and especially restore complete state on reset-resume.Signed-off-by: Bruno Prémont
Signed-off-by: Jiri Kosina
27 Apr, 2010
1 commit
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Original operation_mode sysfs attribute accepts the operation mode
as main value with an option delay as second value to change
the start-up delay on mode change.As it is preferred to have exactly one value per sysfs attribute,
extract this delay into a separate sysfs attribute called
operation_mode_delay.Signed-off-by: Bruno Prémont
Signed-off-by: Jiri Kosina
26 Apr, 2010
1 commit
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During grouping of version checking code bootloader mode's version
bytes got swapped. Fix their order.Signed-off-by: Bruno Prémont
Signed-off-by: Jiri Kosina
12 Apr, 2010
1 commit
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HID_PICOLCD should depend on LCD_CLASS_DEVICE, otherwise the
build fails when HID_PICOLCD=y and LCD_CLASS_DEVICE=m:hid-picolcd.c:(.text+0x84523f): undefined reference to `lcd_device_unregister'
hid-picolcd.c:(.text+0x8478ab): undefined reference to `lcd_device_register'
hid-picolcd.c:(.text+0x84c15f): undefined reference to `lcd_device_unregister'Same applies to FB, BACKLIGHT_CLASS_DEVICE and LEDS_CLASS.
Add suboptions for those features to handle the deps on kbuild side
and just check HID_PICOLCD_* in the code.Reported-by: Randy Dunlap
Signed-off-by: Bruno Prémont
Signed-off-by: Jiri Kosina
01 Apr, 2010
1 commit
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Using copy_{to,from}_user requires the include of linux/uaccess.h.
Reported-by: Stephen Rothwell
Signed-off-by: Jiri Kosina
31 Mar, 2010
6 commits
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The PicoLCD device has a small amount of EEPROM and also provides access
to its FLASH where firmware and splash image are saved.
In flasher mode FLASH access is the only active feature.Give read/write access to both via debugfs files.
NOTE: EEPROM and FLASH access should be switched to better suited API,
until then the will reside in debugfsSigned-off-by: Bruno Prémont
Signed-off-by: Jiri Kosina -
Add leds support to PicoLCD device to drive the GPO pins.
GPO support depends on leds class and is only being
compiled if leds class has been selected.Signed-off-by: Bruno Prémont
Signed-off-by: Jiri Kosina -
Add lcd support to PicoLCD device.
LCD support depends on lcd class and is only being
compiled if lcd class has been selected.Signed-off-by: Bruno Prémont
Signed-off-by: Jiri Kosina -
Add backlight support to PicoLCD device.
Backlight support depends on backlight class and is only being
compiled if backlight class has been selected.Signed-off-by: Bruno Prémont
Signed-off-by: Jiri Kosina -
Add framebuffer support to PicoLCD device with use of deferred-io.
Only changed areas of framebuffer get sent to device in order to
save USB bandwidth and especially resources on PicoLCD device or
allow higher refresh rate for a small area. Changed tiles are
determined while updating shadow framebuffer.Signed-off-by: Bruno Prémont
Signed-off-by: Jiri Kosina -
Add basic driver for PicoLCD graphics device.
Initially support keypad with input device and provide support
for debugging communication via events file from debugfs.Signed-off-by: Bruno Prémont
Signed-off-by: Jiri Kosina