[media] gsc-m2m: improve v4l2_capability driver and card fields
According to the V4L2 documentation the driver and card fields should be used to identify the driver and the device but the gsc-m2m driver fills those field using the platform device name, which in turn is the name of the device DT node. So not only the filled information isn't correct but also the same values are used in the driver, card and bus_info fields. Before this patch: Driver Info (not using libv4l2): Driver name : 13e00000.video- Card type : 13e00000.video-scaler Bus info : platform:13e00000.video-scaler Driver version: 4.7.0 After this patch: Driver Info (not using libv4l2): Driver name : exynos-gsc Card type : exynos-gsc gscaler Bus info : platform:13e00000.video-scaler Driver version: 4.7.0 Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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@ -277,8 +277,8 @@ static int gsc_m2m_querycap(struct file *file, void *fh,
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struct gsc_ctx *ctx = fh_to_ctx(fh);
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struct gsc_dev *gsc = ctx->gsc_dev;
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strlcpy(cap->driver, gsc->pdev->name, sizeof(cap->driver));
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strlcpy(cap->card, gsc->pdev->name, sizeof(cap->card));
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strlcpy(cap->driver, GSC_MODULE_NAME, sizeof(cap->driver));
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strlcpy(cap->card, GSC_MODULE_NAME " gscaler", sizeof(cap->card));
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snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s",
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dev_name(&gsc->pdev->dev));
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cap->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_M2M_MPLANE |
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