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linux/drivers/media/video
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Andres Salomon bca5c2c550 ov7670: clean up ov7670_read semantics 
Cortland Setlow pointed out a bug in ov7670.c where the result from
ov7670_read() was just being checked for !0, rather than <0.  This made me
realize that ov7670_read's semantics were rather confusing; it both fills
in 'value' with the result, and returns it.  This is goes against general
kernel convention; so rather than fixing callers, let's fix the function.

This makes ov7670_read return <0 in the case of an error, and 0 upon
success. Thus, code like:

res = ov7670_read(...);
if (!res)
	goto error;

..will work properly.

Signed-off-by: Cortland Setlow <csetlow@tower-research.com>
Signed-off-by: Andres Salomon <dilinger@debian.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Cc: <stable@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-12 14:33:41 -07:00
..
au0828
V4L/DVB (8043): au0828: add support for additional USB device id's
2008-06-26 15:58:52 -03:00
bt8xx
V4L/DVB (7967): bt8xx: unaligned access
2008-06-05 06:35:52 -03:00
cpia2
V4L/DVB (7519): media/video/cpia2 replace remaining __FUNCTION__ occurrences
2008-04-24 14:07:59 -03:00
cx18
V4L/DVB (8069): cx18: Fix S-Video and Compsite inputs for the Yuan MPC718 and enable card entry
2008-06-26 15:58:55 -03:00
cx88
V4L/DVB (8026): Avoids an OOPS if dev struct can't be successfully recovered
2008-06-26 15:58:47 -03:00
cx23885
V4L/DVB (7965): annotate bcx_riscmem
2008-06-05 06:35:51 -03:00
cx25840
V4L/DVB (8007): cx18/cx25840: the S-Video LUMA input can use all In1-In8 inputs
2008-06-26 15:58:42 -03:00
em28xx
V4L/DVB (8026): Avoids an OOPS if dev struct can't be successfully recovered
2008-06-26 15:58:47 -03:00
et61x251
byteorder: don't directly include linux/byteorder/generic.h
2008-05-16 12:01:45 -07:00
ivtv
V4L/DVB (7963): ivtv: trivial annotations
2008-06-05 06:35:49 -03:00
ovcamchip
V4L/DVB (7524): media/video/ovcamchip replace remaining __FUNCTION__ occurrences
2008-04-24 14:07:59 -03:00
pvrusb2
V4L/DVB (7900): pvrusb: Fix Kconfig if DVB=m V4L_core=y
2008-05-14 02:56:47 -03:00
pwc
V4L/DVB (7558): videobuf: Improve command output for debug purposes
2008-04-24 14:08:48 -03:00
saa7134
V4L/DVB (8108): Fix open/close race in saa7134
2008-06-26 15:58:59 -03:00
sn9c102
byteorder: don't directly include linux/byteorder/generic.h
2008-05-16 12:01:45 -07:00
usbvideo
V4L/DVB (7970): mix trivial endianness annotations
2008-06-05 06:35:52 -03:00
usbvision
V4L/DVB (7846): Re-creates VIDEO_TUNER
2008-05-14 02:54:07 -03:00
uvc
V4L/DVB (8178): uvc: Fix compilation breakage for the other drivers, if uvc is selected
2008-07-02 08:58:15 -03:00
zc0301
byteorder: don't directly include linux/byteorder/generic.h
2008-05-16 12:01:45 -07:00
adv7170.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
adv7175.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
arv.c
V4L/DVB (7402): add macro validation for v4l_compat_ioctl32
2008-04-24 14:07:53 -03:00
bt819.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
bt856.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
bt866.c
…
btcx-risc.c
V4L/DVB (7965): annotate bcx_riscmem
2008-06-05 06:35:51 -03:00
btcx-risc.h
V4L/DVB (7965): annotate bcx_riscmem
2008-06-05 06:35:51 -03:00
bw-qcam.c
V4L/DVB (7402): add macro validation for v4l_compat_ioctl32
2008-04-24 14:07:53 -03:00
bw-qcam.h
…
c-qcam.c
V4L/DVB (7591): drivers/media/video: use time_before, time_before_eq, etc
2008-04-24 14:09:40 -03:00
cafe_ccic-regs.h
…
cafe_ccic.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
compat_ioctl32.c
…
cpia_pp.c
…
cpia_usb.c
V4L/DVB (7518): media/video/ replace remaining __FUNCTION__ occurrences
2008-04-24 14:07:59 -03:00
cpia.c
V4L/DVB (7402): add macro validation for v4l_compat_ioctl32
2008-04-24 14:07:53 -03:00
cpia.h
V4L/DVB (7518): media/video/ replace remaining __FUNCTION__ occurrences
2008-04-24 14:07:59 -03:00
cs53l32a.c
i2c: Convert remaining new-style drivers to use module aliasing
2008-05-18 20:49:40 +02:00
cs5345.c
i2c: Convert remaining new-style drivers to use module aliasing
2008-05-18 20:49:40 +02:00
cs8420.h
…
cx2341x.c
V4L/DVB (6861): cx2341x: command argument should be u32 instead of int
2008-01-25 19:04:04 -02:00
dabfirmware.h
V4L/DVB (7248): dabfirmware.h add missing license
2008-04-24 14:07:44 -03:00
dabusb.c
V4L/DVB (7274): dabusb: fix shadowed variable warning in dabusb.c
2008-04-24 14:07:46 -03:00
dabusb.h
…
dpc7146.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
font.h
…
hexium_gemini.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
hexium_orion.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
ibmmpeg2.h
…
indycam.c
drivers/media/: Spelling fixes
2008-02-03 17:18:59 +02:00
indycam.h
…
ir-kbd-i2c.c
V4L/DVB (7751): ir-kbd-i2c: Save a temporary memory allocation in ir_probe
2008-04-26 09:29:58 -03:00
Kconfig
V4L/DVB (8145a): USB Video Class driver
2008-06-30 17:31:13 -03:00
ks0127.c
i2c: Use the driver model reference counting
2008-01-27 18:14:48 +01:00
ks0127.h
…
m52790.c
i2c: Convert remaining new-style drivers to use module aliasing
2008-05-18 20:49:40 +02:00
Makefile
V4L/DVB (8145a): USB Video Class driver
2008-06-30 17:31:13 -03:00
meye.c
V4L/DVB (7666): meye: Replace meye_do_ioctl to use video_ioctl2
2008-04-24 14:09:45 -03:00
meye.h
…
msp3400-driver.c
i2c: Convert remaining new-style drivers to use module aliasing
2008-05-18 20:49:40 +02:00
msp3400-driver.h
…
msp3400-kthreads.c
V4L/DVB (7343): msp3400: fix SECAM D/K handling
2008-04-24 14:07:49 -03:00
mt9m001.c
V4L/DVB (7858): video: build fix for drivers/media/video/mt9v022.c
2008-05-14 02:54:10 -03:00
mt9v022.c
V4L/DVB (7859): mt9v022: fix a copy-paste error in comment
2008-05-14 02:54:11 -03:00
mxb.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
mxb.h
…
ov511.c
V4L/DVB (7641): V4L: ov511 - use usb_interface as parent, not usb_device
2008-04-24 14:09:44 -03:00
ov511.h
V4L/DVB (7518): media/video/ replace remaining __FUNCTION__ occurrences
2008-04-24 14:07:59 -03:00
ov7670.c
ov7670: clean up ov7670_read semantics
2008-07-12 14:33:41 -07:00
planb.c
…
planb.h
…
pms.c
V4L/DVB (7402): add macro validation for v4l_compat_ioctl32
2008-04-24 14:07:53 -03:00
pxa_camera.c
V4L/DVB (8039): pxa-camera: fix platform_get_irq() error handling.
2008-06-26 15:58:50 -03:00
saa711x_regs.h
…
saa711x.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
saa717x.c
i2c: Convert remaining new-style drivers to use module aliasing
2008-05-18 20:49:40 +02:00
saa5246a.c
…
saa5246a.h
…
saa5249.c
V4L/DVB (7402): add macro validation for v4l_compat_ioctl32
2008-04-24 14:07:53 -03:00
saa6588.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
saa7110.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
saa7111.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
saa7114.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
saa7115.c
i2c: Convert remaining new-style drivers to use module aliasing
2008-05-18 20:49:40 +02:00
saa7121.h
…
saa7127.c
i2c: Convert remaining new-style drivers to use module aliasing
2008-05-18 20:49:40 +02:00
saa7146.h
…
saa7146reg.h
…
saa7185.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
saa7191.c
…
saa7191.h
…
saa7196.h
…
se401.c
V4L/DVB (7518): media/video/ replace remaining __FUNCTION__ occurrences
2008-04-24 14:07:59 -03:00
se401.h
…
soc_camera.c
V4L/DVB (8040): soc-camera: remove soc_camera_host_class class
2008-06-26 15:58:50 -03:00
stk-sensor.c
V4L/DVB (7104): stk-sensor.c: make 2 functions static
2008-02-18 11:15:08 -03:00
stk-webcam.c
V4L/DVB (7813): Fix compilation, when V4L1_COMPAT is disabled
2008-05-14 02:54:00 -03:00
stk-webcam.h
V4L/DVB (7104): stk-sensor.c: make 2 functions static
2008-02-18 11:15:08 -03:00
stradis.c
V4L/DVB (7402): add macro validation for v4l_compat_ioctl32
2008-04-24 14:07:53 -03:00
stv680.c
V4L/DVB (7518): media/video/ replace remaining __FUNCTION__ occurrences
2008-04-24 14:07:59 -03:00
stv680.h
…
tcm825x.c
i2c: Convert some more new-style drivers to use module aliasing
2008-05-11 20:37:06 +02:00
tcm825x.h
…
tda7432.c
…
tda9840.c
V4L/DVB (7518): media/video/ replace remaining __FUNCTION__ occurrences
2008-04-24 14:07:59 -03:00
tda9840.h
…
tda9875.c
…
tea6415c.c
V4L/DVB (7518): media/video/ replace remaining __FUNCTION__ occurrences
2008-04-24 14:07:59 -03:00
tea6415c.h
…
tea6420.c
V4L/DVB (7518): media/video/ replace remaining __FUNCTION__ occurrences
2008-04-24 14:07:59 -03:00
tea6420.h
…
tlv320aic23b.c
i2c: Convert some more new-style drivers to use module aliasing
2008-05-11 20:37:06 +02:00
tuner-3036.c
…
tuner-core.c
V4L/DVB (7905): check_v4l2 should return -EINVAL on error
2008-06-05 06:35:41 -03:00
tvaudio.c
i2c: Convert some more new-style drivers to use module aliasing
2008-05-11 20:37:06 +02:00
tveeprom.c
V4L/DVB (7895): tveeprom: update Hauppauge analog audio and video decoders
2008-05-14 02:56:46 -03:00
tvp5150_reg.h
…
tvp5150.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
upd64031a.c
i2c: Convert remaining new-style drivers to use module aliasing
2008-05-18 20:49:40 +02:00
upd64083.c
i2c: Convert remaining new-style drivers to use module aliasing
2008-05-18 20:49:40 +02:00
v4l1-compat.c
V4L/DVB (7365): reduce stack usage of v4l1_compat_sync
2008-04-24 14:07:50 -03:00
v4l2-common.c
i2c: Add support for device alias names
2008-04-29 23:11:39 +02:00
v4l2-int-device.c
V4L/DVB (7485): v4l2-int-device.c: add MODULE_LICENSE
2008-04-01 19:35:47 -03:00
videobuf-core.c
Fix a deadlock in the bttv driver
2008-05-20 10:12:26 -07:00
videobuf-dma-sg.c
V4L/DVB (7566): videobuf-dvb: allow its usage with videobuf-vmalloc
2008-04-24 14:09:39 -03:00
videobuf-dvb.c
V4L/DVB (7566): videobuf-dvb: allow its usage with videobuf-vmalloc
2008-04-24 14:09:39 -03:00
videobuf-vmalloc.c
V4L/DVB (7566): videobuf-dvb: allow its usage with videobuf-vmalloc
2008-04-24 14:09:39 -03:00
videocodec.c
V4L/DVB (7580): Fix concurrent read from /proc/videocodecs
2008-04-24 14:09:40 -03:00
videocodec.h
…
videodev.c
V4L/DVB (8092): videodev: simplify and fix standard enumeration
2008-06-26 15:58:57 -03:00
vino.c
mm: remove nopage
2008-04-28 08:58:18 -07:00
vino.h
…
vivi.c
V4L/DVB (8100): V4L/vivi: fix possible memory leak in vivi_fillbuff
2008-06-26 15:58:58 -03:00
vp27smpx.c
i2c: Convert remaining new-style drivers to use module aliasing
2008-05-18 20:49:40 +02:00
vpx3220.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
w9966.c
V4L/DVB (7518): media/video/ replace remaining __FUNCTION__ occurrences
2008-04-24 14:07:59 -03:00
w9968cf_decoder.h
…
w9968cf_vpp.h
…
w9968cf.c
V4L/DVB (7402): add macro validation for v4l_compat_ioctl32
2008-04-24 14:07:53 -03:00
w9968cf.h
V4L/DVB (7518): media/video/ replace remaining __FUNCTION__ occurrences
2008-04-24 14:07:59 -03:00
wm8739.c
i2c: Convert remaining new-style drivers to use module aliasing
2008-05-18 20:49:40 +02:00
wm8775.c
i2c: Convert remaining new-style drivers to use module aliasing
2008-05-18 20:49:40 +02:00
zoran_card.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
zoran_card.h
V4L/DVB (7479): proper prototype for zoran_device.c:zr36016_write()
2008-04-24 14:07:57 -03:00
zoran_device.c
V4L/DVB (7968): zoran: endianness annotations
2008-06-05 06:35:52 -03:00
zoran_device.h
…
zoran_driver.c
V4L/DVB (7968): zoran: endianness annotations
2008-06-05 06:35:52 -03:00
zoran_procfs.c
drivers: use non-racy method for proc entries creation (2)
2008-04-29 08:06:22 -07:00
zoran_procfs.h
…
zoran.h
V4L/DVB (7968): zoran: endianness annotations
2008-06-05 06:35:52 -03:00
zr364xx.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
zr36016.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
zr36016.h
…
zr36050.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
zr36050.h
…
zr36057.h
…
zr36060.c
V4L/DVB (7094): static memory
2008-04-24 13:42:20 -03:00
zr36060.h
…