6de5bd128d
With all the patches we have queued in the BKL removal tree, only a few dozen modules are left that actually rely on the BKL, and even there are lots of low-hanging fruit. We need to decide what to do about them, this patch illustrates one of the options: Every user of the BKL is marked as 'depends on BKL' in Kconfig, and the CONFIG_BKL becomes a user-visible option. If it gets disabled, no BKL using module can be built any more and the BKL code itself is compiled out. The one exception is file locking, which is practically always enabled and does a 'select BKL' instead. This effectively forces CONFIG_BKL to be enabled until we have solved the fs/lockd mess and can apply the patch that removes the BKL from fs/locks.c. Signed-off-by: Arnd Bergmann <arnd@arndb.de>
147 lines
3.6 KiB
Text
147 lines
3.6 KiB
Text
#
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# Multimedia device configuration
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#
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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 Video for Linux, DVB for Linux, or DAB adapters,
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enable this option and other options below.
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if MEDIA_SUPPORT
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comment "Multimedia core support"
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#
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# V4L core and enabled API's
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#
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config VIDEO_DEV
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tristate "Video For Linux"
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depends on BKL # used in many drivers for ioctl handling, need to kill
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---help---
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V4L core support for video capture and overlay devices, webcams and
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AM/FM radio cards.
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This kernel includes support for the new Video for Linux Two API,
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(V4L2).
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Additional info and docs are available on the web at
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<http://linuxtv.org>
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Documentation for V4L2 is also available on the web at
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<http://bytesex.org/v4l/>.
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To compile this driver as a module, choose M here: the
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module will be called videodev.
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config VIDEO_V4L2_COMMON
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tristate
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depends on (I2C || I2C=n) && VIDEO_DEV
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default (I2C || I2C=n) && VIDEO_DEV
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config VIDEO_ALLOW_V4L1
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bool "Enable Video For Linux API 1 (DEPRECATED)"
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depends on VIDEO_DEV && VIDEO_V4L2_COMMON
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default VIDEO_DEV && VIDEO_V4L2_COMMON
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---help---
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Enables drivers based on the legacy V4L1 API.
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This api were developed to be used at Kernel 2.2 and 2.4, but
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lacks support for several video standards. There are several
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drivers at kernel that still depends on it.
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If you are unsure as to whether this is required, answer Y.
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config VIDEO_V4L1_COMPAT
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bool "Enable Video For Linux API 1 compatible Layer" if !VIDEO_ALLOW_V4L1
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depends on VIDEO_DEV
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default y
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---help---
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Enables a compatibility API used by most V4L2 devices to allow
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its usage with legacy applications that supports only V4L1 api.
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Documentation for the original API is included in the file
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<Documentation/video4linux/API.html>.
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User tools for this are available from
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<ftp://ftp.uk.linux.org/pub/linux/video4linux/>.
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If you are unsure as to whether this is required, answer Y.
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#
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# DVB Core
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#
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config DVB_CORE
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tristate "DVB for Linux"
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depends on NET && INET
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select CRC32
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help
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DVB core utility functions for device handling, software fallbacks etc.
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Enable this if you own a DVB/ATSC adapter and want to use it or if
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you compile Linux for a digital SetTopBox.
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Say Y when you have a DVB or an ATSC card and want to use it.
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API specs and user tools are available from <http://www.linuxtv.org/>.
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Please report problems regarding this support to the LinuxDVB
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mailing list.
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If unsure say N.
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config VIDEO_MEDIA
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tristate
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default (DVB_CORE && (VIDEO_DEV = n)) || (VIDEO_DEV && (DVB_CORE = n)) || (DVB_CORE && VIDEO_DEV)
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comment "Multimedia drivers"
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source "drivers/media/common/Kconfig"
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source "drivers/media/IR/Kconfig"
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#
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# Tuner drivers for DVB and V4L
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#
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source "drivers/media/common/tuners/Kconfig"
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#
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# Video/Radio/Hybrid adapters
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#
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source "drivers/media/video/Kconfig"
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source "drivers/media/radio/Kconfig"
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#
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# DVB adapters
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#
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source "drivers/media/dvb/Kconfig"
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config DAB
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boolean "DAB adapters"
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---help---
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Allow selecting support for Digital Audio Broadcasting (DAB)
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Receiver adapters.
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if DAB
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config USB_DABUSB
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tristate "DABUSB driver"
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depends on USB
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---help---
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A Digital Audio Broadcasting (DAB) Receiver for USB and Linux
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brought to you by the DAB-Team
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<http://wwwbode.cs.tum.edu/Par/arch/dab/>. This driver can be taken
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as an example for URB-based bulk, control, and isochronous
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transactions. URB's are explained in
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<Documentation/usb/URB.txt>.
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To compile this driver as a module, choose M here: the
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module will be called dabusb.
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endif # DAB
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endif # MEDIA_SUPPORT
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