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authorMauro Carvalho Chehab <mchehab@kernel.org>2022-03-13 09:25:46 +0300
committerMauro Carvalho Chehab <mchehab@kernel.org>2022-03-18 07:58:35 +0300
commit9958d30f38b96fb763a10d44d18ddad39127d5f4 (patch)
tree76d0ab2b11ca1171bf66926904251015d8b4c2bd /drivers/media/platform/qcom/venus
parent63fe3d27b226fe01746bace4d1f1f2164406140d (diff)
downloadlinux-9958d30f38b96fb763a10d44d18ddad39127d5f4.tar.xz
media: Kconfig: cleanup VIDEO_DEV dependencies
media Kconfig has two entries associated to V4L API: VIDEO_DEV and VIDEO_V4L2. On Kernel 2.6.x, there were two V4L APIs, each one with its own flag. VIDEO_DEV were meant to: 1) enable Video4Linux and make its Kconfig options to appear; 2) it makes the Kernel build the V4L core. while VIDEO_V4L2 where used to distinguish between drivers that implement the newer API and drivers that implemented the former one. With time, such meaning changed, specially after the removal of all V4L version 1 drivers. At the current implementation, VIDEO_DEV only does (1): it enables the media options related to V4L, that now has: menu "Video4Linux options" visible if VIDEO_DEV source "drivers/media/v4l2-core/Kconfig" endmenu but it doesn't affect anymore the V4L core drivers. The rationale is that the V4L2 core has a "soft" dependency at the I2C bus, and now requires to select a number of other Kconfig options: config VIDEO_V4L2 tristate depends on (I2C || I2C=n) && VIDEO_DEV select RATIONAL select VIDEOBUF2_V4L2 if VIDEOBUF2_CORE default (I2C || I2C=n) && VIDEO_DEV In the past, merging them would be tricky, but it seems that it is now possible to merge those symbols, in order to simplify V4L dependencies. Let's keep VIDEO_DEV, as this one is used on some make *defconfig configurations. Suggested-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> Reviewed-by: Neil Armstrong <narmstrong@baylibre.com> # for meson-vdec & meson-ge2d Acked-by: Andrzej Pietrasiewicz <andrzejtp2010@gmail.com> Acked-by: Ɓukasz Stelmach <l.stelmach@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Diffstat (limited to 'drivers/media/platform/qcom/venus')
-rw-r--r--drivers/media/platform/qcom/venus/Kconfig2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/platform/qcom/venus/Kconfig b/drivers/media/platform/qcom/venus/Kconfig
index de0fe3f7be5f..bfd50e8f3421 100644
--- a/drivers/media/platform/qcom/venus/Kconfig
+++ b/drivers/media/platform/qcom/venus/Kconfig
@@ -1,7 +1,7 @@
config VIDEO_QCOM_VENUS
tristate "Qualcomm Venus V4L2 encoder/decoder driver"
depends on V4L_MEM2MEM_DRIVERS
- depends on VIDEO_DEV && VIDEO_V4L2 && QCOM_SMEM
+ depends on VIDEO_DEV && QCOM_SMEM
depends on (ARCH_QCOM && IOMMU_DMA) || COMPILE_TEST
select QCOM_MDT_LOADER if ARCH_QCOM
select QCOM_SCM