- 12 Jan, 2021 40 commits
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Dinghao Liu authored
When kzalloc() fails, em28xx_uninit_usb_xfer() will free usb_bufs->buf and set it to NULL. Thus the later access to usb_bufs->buf[i] will lead to null pointer dereference. Also the kfree(usb_bufs->buf) after that is redundant. Fixes: d571b592 ("media: em28xx: don't use coherent buffer for DMA transfers") Signed-off-by:
Dinghao Liu <dinghao.liu@zju.edu.cn> Signed-off-by:
Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by:
Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Nigel Christian authored
Comment has 'then' repeated twice. Let's clean it up. Use unsigned int to maintain naming consistency. Signed-off-by:
Nigel Christian <nigel.l.christian@gmail.com> Signed-off-by:
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Kieran Bingham authored
These entries can only ever be single bits. Make use of the BIT macro accordingly. Signed-off-by:
Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Reviewed-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by:
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Christophe JAILLET authored
A previous 'rcar_fcp_get()' call must be undone in the error handling path, as already done in the remove function. Fixes: 94fcdf82 ("[media] v4l: vsp1: Add FCP support") Signed-off-by:
Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by:
Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by:
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Sebastian Fricke authored
Implement the VIDIOC_SUBDEV_ENUM_FRAME_SIZE ioctl for the isp entity, check if the mbus code is valid for the given pad. This call is not available for the parameter or metadata pads of the RkISP1. Signed-off-by:
Sebastian Fricke <sebastian.fricke.linux@gmail.com> Acked-by:
Dafna Hirschfeld <dafna.hirschfeld@collabora.com> Acked-by:
Helen Koike <helen.koike@collabora.com> Signed-off-by:
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Geert Uytterhoeven authored
Since commit 4c62e976 ("Drivers: media: remove __dev* attributes.") in v3.8, the SuperH Video Output Unit driver no longer has any code or data located in initmem, hence there is no need to annotate the sh_vou structure with __refdata. Drop the annotation, to avoid suppressing future section warnings. Signed-off-by:
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Lukas Bulwahn authored
Commit aa821b2b ("media: MAINTAINERS: Add myself as maintainer of the Amlogic GE2D driver") introduced a new MAINTAINERS section, but the file entry points to the wrong location. Hence, ./scripts/get_maintainer.pl --self-test=patterns warns: warning: no file matches F: drivers/media/meson/ge2d/ Adjust the entry to the actual location of the driver. Signed-off-by:
Lukas Bulwahn <lukas.bulwahn@gmail.com> Acked-by:
Neil Armstrong <narmstrong@baylibre.com> Signed-off-by:
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Dan Carpenter authored
This error path returns success but it should return -EINVAL. Fixes: cba3819d ("media: camss: Format configuration per hardware version") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by:
Robert Foss <robert.foss@linaro.org> Signed-off-by:
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Dan Carpenter authored
This test has a problem because we want to know if "k" is -1 or a positive value less than "f->index". But the "f->index" variable is a u32 so if "k == -1" then -1 gets type promoted to UINT_MAX which is larger than "f->index". I've added an explicit test to check for -1. Fixes: a3d412d4 ("media: Revert "media: camss: Make use of V4L2_CAP_IO_MC"") Signed-off-by:
Andrey Konovalov <andrey.konovalov@linaro.org> Signed-off-by:
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Travis Carter authored
Corrected the following Warning: drivers/staging/media/rkvdec/rkvdec.c:133: WARNING: Possible comma where semicolon could be used Signed-off-by:
Travis Carter <traviscarter2@gmail.com> Signed-off-by:
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Travis Carter authored
Corrected the following Warning: drivers/staging/media/hantro/hantro_v4l2.c:319: WARNING: Possible comma where semicolon could be used Signed-off-by:
Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by:
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Zhang Changzhong authored
Fix to return a negative error code from the error handling case instead of 0, as done elsewhere in this function. Fixes: dea42fb7 ("media: mtk-vcodec: reset segment data then trig decoder") Reported-by:
Hulk Robot <hulkci@huawei.com> Signed-off-by:
Zhang Changzhong <zhangchangzhong@huawei.com> Signed-off-by:
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Arnd Bergmann authored
FIELD_GET() must only be used with a mask that is a compile-time constant: drivers/media/platform/ti-vpe/cal.h: In function 'cal_read_field': include/linux/compiler_types.h:320:38: error: call to '__compiletime_assert_247' declared with attribute error: FIELD_GET: mask is not constant include/linux/bitfield.h:46:3: note: in expansion of macro 'BUILD_BUG_ON_MSG' 46 | BUILD_BUG_ON_MSG(!__builtin_constant_p(_mask), \ | ^~~~~~~~~~~~~~~~ drivers/media/platform/ti-vpe/cal.h:220:9: note: in expansion of macro 'FIELD_GET' 220 | return FIELD_GET(mask, cal_read(cal, offset)); | ^~~~~~~~~ The problem here is that the function is not always inlined. Mark it __always_inline to avoid the problem. Signed-off-by:Arnd Bergmann <arnd@arndb.de> Reviewed-by:
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Enrico Weigelt authored
Remove MODULE_VERSION(), as it doesn't seem to serve any practical purpose. For in-tree drivers, the kernel version matters. The code received lots of changes, but module version remained constant, since the driver landed in mainline. So, this version doesn't seem have any practical meaning anymore. Signed-off-by:
Enrico Weigelt <info@metux.net> Signed-off-by:
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Ezequiel Garcia authored
No locking is needed to call video_unregister_device(). Drop it. Also, drop the superfluous video_is_registered() call, which is done by video_unregister_device(), and re-order media_entity_cleanup() and video_unregister_device() calls. Signed-off-by:
Ezequiel Garcia <ezequiel@collabora.com> Reviewed-by:
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Ezequiel Garcia authored
The csc/scaler device private struct is released by ipu_csc_scaler_video_device_release(), which can be called by video_unregister_device() if there are no users of the underlying struct video device. Therefore, the mutex can't be held when calling video_unregister_device() as its memory may be freed by it, leading to a kernel oops. Fortunately, the fix is quite simple as no locking is needed when calling video_unregister_device(): v4l2-core already has its own internal locking, and the structures are also properly refcounted. Fixes: a8ef0488 ("media: imx: add csc/scaler mem2mem device") Signed-off-by:
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Ezequiel Garcia authored
The csc/scaler device pointer (imxmd->m2m_vdev) is assigned after the imx media device v4l2-async probe completes, therefore we need to check if the device is non-NULL before trying to unregister it. This can be the case if the non-completed imx media device is unbinded (or the driver is removed), leading to a kernel oops. Fixes: a8ef0488 ("media: imx: add csc/scaler mem2mem device") Signed-off-by:
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Martin Kepplinger authored
As described in NXPs' linux tree, the imx8m SoC includes the same CSI bridge hardware that is part of imx7d. We should be able to use the "fsl,imx7-csi" driver for imx8m directly. Since ipuv3 is not relevant for imx8m, move that dependency to VIDEO_IMX_CSI. That makes VIDEO_IMX7_CSI available to support imx8m too. Signed-off-by:
Martin Kepplinger <martin.kepplinger@puri.sm> Signed-off-by:
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Sakari Ailus authored
struct device is used in ccs-data.h but no definition is included. Add a forward definition. Also ccs-data.c includes linux/types.h but this is already included in ccs-data.h which ccs-data.c includes. Do don't include linux/types.h in ccs-data.c. Signed-off-by:
Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by:
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Sakari Ailus authored
This reverts commit b3c0115e. As per Documentation/process/license-rules.rst "GPL v2" exists only for historical reasons and has the same meaning as "GPL". So revert this patch. Signed-off-by:
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Sakari Ailus authored
The preferred integer types in the kernel are the Linux specific ones, switch from standard C types to u32 and alike. Signed-off-by:
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Sakari Ailus authored
The preferred integer types in the kernel are the Linux specific ones, switch from standard C types to u32 and alike. The patch has been produced with the following Coccinelle spatch, with few alignment adjustments: @@ typedef uint32_t; typedef u32; @@ - uint32_t + u32 @@ typedef uint16_t; typedef u16; @@ - uint16_t + u16 @@ typedef uint8_t; typedef u8; @@ - uint8_t + u8 Signed-off-by:
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Sakari Ailus authored
Include existing CCS PLL calculator kerneldoc documentation to the documentation build. Signed-off-by:
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Sakari Ailus authored
CCS supports three variants of PHY timing control, auto, UI based and manual. The driver previously assumed UI based control that requires updating the link rate to the sensor. Now default to automatic control instead, and only write the link rate to the sensor in UI mode. If neither auto or UI control is supported, return an error in probe. Signed-off-by:
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Sakari Ailus authored
The driver depends on the external clock frequency. Add a sanity check for the frequency, by returning an error from probe if it's zero. Signed-off-by:
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Sakari Ailus authored
A CCS compliant device requires a delay before the first I²C transaction after pulling xshutdown up or starting the external clock. This is what the driver does. However, if neither is actually there, there's no need for the delay. This also has the effect of removing an unnecessary delay on ACPI systems where ACPI is responsible for the power-up sequence. Signed-off-by:
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Sakari Ailus authored
Verify the software reset has been completed until proceeding. The spec does not guarantee a delay but presumably 100 ms should be enough. Signed-off-by:
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Sakari Ailus authored
The driver always used software reset after the sensor's power sequence that includes a hardware reset if we have a reset GPIO. Do not use software reset if we just brought the sensor up from hardware reset state. Signed-off-by:
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Sakari Ailus authored
The sensor's address was changed before resetting and changing the address again. Don't do it before reset as it's useless. Signed-off-by:
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Sakari Ailus authored
Get the first endpoint from port 0 instead of the next one, whatever it might be. There are no other ports so there's no functional change. Signed-off-by:
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Sakari Ailus authored
Add controls for supporting lens shading correction, including colour shading and luminance correction level. Signed-off-by:
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Sakari Ailus authored
Add V4L2 controls for controlling CCS lens shading correction as well as conveying its capabilities. Signed-off-by:
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Sakari Ailus authored
Also print out MSR registers written to the sensor. This isn't entirely optimal as the debug strings are produced even if they're not used but that isn't really a grave issue --- the I²C bus is very slow anyway. Signed-off-by:
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Sakari Ailus authored
The CCS spec defines an alternative implementation for global analogue gain. Add support for that in the driver. Signed-off-by:
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Sakari Ailus authored
Add two new controls for alternative analogue gain some CCS compliant camera sensors support. Signed-off-by:
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Sakari Ailus authored
Add four controls for reading CCS analogue gain coefficients. The values are constants that are device specific. Signed-off-by:
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Sakari Ailus authored
Add V4L2 controls for analogue gain constants required to control analogue gain. The values are device specific and thus need to be obtained from the driver. Signed-off-by:
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Sakari Ailus authored
Add user documentation for the CCS driver. This includes e.g. sub-devices implemented by the driver. Signed-off-by:
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Sakari Ailus authored
Add a control base for CCS controls, and reserve 128 controls. Luckily these numbers are cheap. Signed-off-by:
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Sakari Ailus authored
Some devices do not implement analogue gain this way. Only add the control when a device does have the support. Signed-off-by:
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