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24f6f93a19
Admittedly, it's not easy to say what CONFIG_EMBEDDED really should be doing, just as it's not easy to say what is "embedded". In any case, the very description of MEDIA_SUBDRV_AUTOSELECT specifies that embedded systems usually don't want to enable this autoselect option. Therefore, drop the default-yes, when the CONFIG_EMBEDDED is chosen. Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
222 lines
5.7 KiB
Plaintext
222 lines
5.7 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0-only
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#
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# Multimedia device configuration
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#
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config CEC_CORE
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tristate
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config CEC_NOTIFIER
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bool
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config CEC_PIN
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bool
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source "drivers/media/rc/Kconfig"
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menuconfig MEDIA_SUPPORT
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tristate "Multimedia support"
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depends on HAS_IOMEM
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help
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If you want to use Webcams, Video grabber devices and/or TV devices
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enable this option and other options below.
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Additional info and docs are available on the web at
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<https://linuxtv.org>
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if MEDIA_SUPPORT
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comment "Multimedia core support"
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#
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# Multimedia support - automatically enable V4L2 and DVB core
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#
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config MEDIA_CAMERA_SUPPORT
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bool "Cameras/video grabbers support"
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help
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Enable support for webcams and video grabbers.
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Say Y when you have a webcam or a video capture grabber board.
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config MEDIA_ANALOG_TV_SUPPORT
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bool "Analog TV support"
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help
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Enable analog TV support.
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Say Y when you have a TV board with analog support or with a
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hybrid analog/digital TV chipset.
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Note: There are several DVB cards that are based on chips that
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support both analog and digital TV. Disabling this option
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will disable support for them.
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config MEDIA_DIGITAL_TV_SUPPORT
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bool "Digital TV support"
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help
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Enable digital TV support.
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Say Y when you have a board with digital support or a board with
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hybrid digital TV and analog TV.
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config MEDIA_RADIO_SUPPORT
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bool "AM/FM radio receivers/transmitters support"
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help
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Enable AM/FM radio support.
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Additional info and docs are available on the web at
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<https://linuxtv.org>
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Say Y when you have a board with radio support.
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Note: There are several TV cards that are based on chips that
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support radio reception. Disabling this option will
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disable support for them.
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config MEDIA_SDR_SUPPORT
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bool "Software defined radio support"
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help
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Enable software defined radio support.
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Say Y when you have a software defined radio device.
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config MEDIA_CEC_SUPPORT
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bool "HDMI CEC support"
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help
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Enable support for HDMI CEC (Consumer Electronics Control),
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which is an optional HDMI feature.
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Say Y when you have an HDMI receiver, transmitter or a USB CEC
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adapter that supports HDMI CEC.
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source "drivers/media/cec/Kconfig"
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source "drivers/media/mc/Kconfig"
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#
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# Video4Linux support
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# Only enables if one of the V4L2 types (ATV, webcam, radio) is selected
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#
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config VIDEO_DEV
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tristate
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depends on MEDIA_SUPPORT
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depends on MEDIA_CAMERA_SUPPORT || MEDIA_ANALOG_TV_SUPPORT || MEDIA_RADIO_SUPPORT || MEDIA_SDR_SUPPORT
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default y
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config VIDEO_V4L2_SUBDEV_API
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bool "V4L2 sub-device userspace API"
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depends on VIDEO_DEV && MEDIA_CONTROLLER
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help
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Enables the V4L2 sub-device pad-level userspace API used to configure
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video format, size and frame rate between hardware blocks.
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This API is mostly used by camera interfaces in embedded platforms.
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source "drivers/media/v4l2-core/Kconfig"
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#
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# DVB Core
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# Only enables if one of DTV is selected
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#
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config DVB_CORE
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tristate
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depends on MEDIA_SUPPORT
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depends on MEDIA_DIGITAL_TV_SUPPORT
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depends on (I2C || I2C=n)
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default y
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select CRC32
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config DVB_MMAP
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bool "Enable DVB memory-mapped API (EXPERIMENTAL)"
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depends on DVB_CORE
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depends on VIDEO_V4L2=y || VIDEO_V4L2=DVB_CORE
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select VIDEOBUF2_VMALLOC
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help
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This option enables DVB experimental memory-mapped API, which
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reduces the number of context switches to read DVB buffers, as
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the buffers can use mmap() syscalls.
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Support for it is experimental. Use with care. If unsure,
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say N.
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config DVB_NET
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bool "DVB Network Support"
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default (NET && INET)
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depends on NET && INET && DVB_CORE
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help
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This option enables DVB Network Support which is a part of the DVB
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standard. It is used, for example, by automatic firmware updates used
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on Set-Top-Boxes. It can also be used to access the Internet via the
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DVB card, if the network provider supports it.
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You may want to disable the network support on embedded devices. If
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unsure say Y.
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# This Kconfig option is used by both PCI and USB drivers
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config TTPCI_EEPROM
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tristate
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depends on I2C
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source "drivers/media/dvb-core/Kconfig"
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comment "Media drivers"
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#
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# V4L platform/mem2mem drivers
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#
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source "drivers/media/usb/Kconfig"
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source "drivers/media/pci/Kconfig"
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source "drivers/media/platform/Kconfig"
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source "drivers/media/mmc/Kconfig"
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source "drivers/media/radio/Kconfig"
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comment "Supported FireWire (IEEE 1394) Adapters"
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depends on DVB_CORE && FIREWIRE
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source "drivers/media/firewire/Kconfig"
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# Common driver options
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source "drivers/media/common/Kconfig"
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comment "Media ancillary drivers (tuners, sensors, i2c, spi, frontends)"
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#
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# Ancillary drivers (tuners, i2c, spi, frontends)
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#
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config MEDIA_SUBDRV_AUTOSELECT
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bool "Autoselect ancillary drivers (tuners, sensors, i2c, spi, frontends)"
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depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_CAMERA_SUPPORT || MEDIA_SDR_SUPPORT
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depends on HAS_IOMEM
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select I2C
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select I2C_MUX
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default y if !EMBEDDED
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help
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By default, a media driver auto-selects all possible ancillary
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devices such as tuners, sensors, video encoders/decoders and
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frontends, that are used by any of the supported devices.
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This is generally the right thing to do, except when there
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are strict constraints with regards to the kernel size,
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like on embedded systems.
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Use this option with care, as deselecting ancillary drivers which
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are, in fact, necessary will result in the lack of the needed
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functionality for your device (it may not tune or may not have
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the needed demodulators).
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If unsure say Y.
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config MEDIA_ATTACH
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bool
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depends on MEDIA_ANALOG_TV_SUPPORT || MEDIA_DIGITAL_TV_SUPPORT || MEDIA_RADIO_SUPPORT
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depends on MODULES
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default MODULES
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source "drivers/media/i2c/Kconfig"
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source "drivers/media/spi/Kconfig"
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source "drivers/media/tuners/Kconfig"
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source "drivers/media/dvb-frontends/Kconfig"
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endif # MEDIA_SUPPORT
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