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i2c: Let users select algorithm drivers manually again

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In kernel 2.6.26, the ability to select I2C algorithm drivers manually
was removed, as all in-kernel drivers do that automatically. However
there were some complaints that it was a problem for out-of-tree I2C
bus drivers. In order to address these complaints, let's allow manual
selection of these drivers again, but still hide them by default for
better general user experience.

This closes bug #11140:
http://bugzilla.kernel.org/show_bug.cgi?id=11140

Signed-off-by: Jean Delvare <khali@linux-fr.org>
This commit is contained in:
Jean Delvare 2008-08-10 22:56:15 +02:00 committed by Jean Delvare
parent b25b791b13
commit 8d24f8dcb7
2 changed files with 22 additions and 3 deletions
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14
drivers/i2c/Kconfig
View File

@ -38,6 +38,20 @@ config I2C_CHARDEV
This support is also available as a module. If so, the module
will be called i2c-dev.
config I2C_HELPER_AUTO
bool "Autoselect pertinent helper modules"
default y
help
Some I2C bus drivers require so-called "I2C algorithm" modules
to work. These are basically software-only abstractions of generic
I2C interfaces. This option will autoselect them so that you don't
have to care.
Unselect this only if you need to enable additional helper
modules, for example for use with external I2C bus drivers.
In doubt, say Y.
source drivers/i2c/algos/Kconfig
source drivers/i2c/busses/Kconfig
source drivers/i2c/chips/Kconfig

11
drivers/i2c/algos/Kconfig
View File

@ -2,15 +2,20 @@
# I2C algorithm drivers configuration
#
menu "I2C Algorithms"
depends on !I2C_HELPER_AUTO
config I2C_ALGOBIT
tristate
tristate "I2C bit-banging interfaces"
config I2C_ALGOPCF
tristate
tristate "I2C PCF 8584 interfaces"
config I2C_ALGOPCA
tristate
tristate "I2C PCA 9564 interfaces"
config I2C_ALGO_SGI
tristate
depends on SGI_IP22 || SGI_IP32 || X86_VISWS
endmenu