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Unsigned dma_chans[] cannot be negative
Also the third time dma_chans[0] < 0 was tested instead of dma_chans[2]
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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sensor driver
Make .power and .reset callbacks per camera instead of per host, also move
their invocation to camera drivers.
.arch/arm/mach-pxa/include/mach/camera.h | 2 -
Signed-off-by: Stefan Herbrechtsmeier <hbmeier@hni.uni-paderborn.de>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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1. DRCMRxx is no longer recommended, use DRCMR(xx) instead, and
pass DRCMR index by "struct resource" if possible
2. DCSRxx, DDADRxx, DSADRxx, DTADRxx, DCMDxx is never used, use
DCSR(), DDADR(), DSADR(), DTADR(), DCMD() instead
Signed-off-by: Eric Miao <eric.miao@marvell.com>
Acked-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Conflicts:
drivers/watchdog/at91rm9200_wdt.c
drivers/watchdog/davinci_wdt.c
drivers/watchdog/ep93xx_wdt.c
drivers/watchdog/ixp2000_wdt.c
drivers/watchdog/ixp4xx_wdt.c
drivers/watchdog/ks8695_wdt.c
drivers/watchdog/omap_wdt.c
drivers/watchdog/pnx4008_wdt.c
drivers/watchdog/sa1100_wdt.c
drivers/watchdog/wdt285.c
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This just leaves include/asm-arm/plat-* to deal with.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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PXA suspend switches off DMA core, which loses all context
of previously assigned descriptors. As pxa_camera driver
relies on DMA transfers, setup the lost descriptors on
resume and retrigger frame acquisition if needed.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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So, platform_driver_unregister() doesn't actually have a return value,
nor do any of the void __exit routines. It's reassuring to know that
people copy and paste blindly. This completely blew up my compiler.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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This patch moves the spinlock handling from soc_camera.c to the actual
camera host driver. The spinlock_alloc/free callbacks are replaced with
code in init_videobuf(). So far all camera host drivers implement their
own spinlock_alloc/free methods anyway, and videobuf_queue_core_init()
BUGs on a NULL spinlock argument, so, new camera host drivers will not
forget to provide a spinlock when initialising their videobuf queues.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Makes SoC camera videobuf independent. Includes all necessary changes for
PXA camera driver (currently the only driver using soc_camera in the mainline).
These changes are important for the future soc_camera based drivers.
Signed-off-by: Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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platform_get_irq() returns a negative value on error, not 0.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Currently the pxa-camera driver has a bug, visible when the user requests
more than 2 video buffers. When the third buffer is queued, it is not
appended to the DMA-descriptor list of the second buffer, but is again
appended to the first buffer. Fix it.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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FIFO overruns are not seldom on PXA camera interface FIFOs. Handle them by
dropping the corrupted frame, waiting for the next start-of-frame, and
restarting capture.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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This patch adds support for YUV packed and planar capture for pxa_camera.
Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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__FUNCTION__ is gcc-specific, use __func__
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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All drivers should provide a spinlock to be used in videobuf operations.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de>
Reviewed-by: Brandon Philips <bphilips@suse.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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operations
Function pointers and the driver owner are not expected to change
throughout soc-camera host's life. Extract them into an operations struct.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Improve hardware parameter negotiation between the camera host driver and
camera drivers. Parameters like horizontal and vertical synchronisation,
pixel clock polarity shall be set depending on capabilities of the
parties.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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tested pm-support
This patch addresses most issues pointed out by Russell and Erik, moves
recently introduced into pxa-regs.h camera-specific defines into
pxa_camera.c, removes dummy power-management functions, improves
function-naming, etc.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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This patch adds a driver for the Quick Capture Interface on the PXA270.
It is based on the original driver from Intel, but has been re-worked
multiple times since then, now it also supports the V4L2 API. This patch
depends on a complementary patch, submitted to the ARM tree, providing
PXA270 camera platform bindings.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@pengutronix.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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