i2c: Separate Kconfig option for i2c-smbus
Having a separate Kconfig option for i2c-smbus makes it possible to build that support as a module even when i2c-core itself is built-in. Bus drivers which implement SMBus alert should select this option, so in most cases this option is hidden and the user doesn't have to care about it. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: David Brownell <dbrownell@users.sourceforge.net> Cc: Trent Piepho <tpiepho@freescale.com>
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@ -61,6 +61,16 @@ config I2C_HELPER_AUTO
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In doubt, say Y.
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config I2C_SMBUS
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tristate "SMBus-specific protocols" if !I2C_HELPER_AUTO
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help
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Say Y here if you want support for SMBus extensions to the I2C
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specification. At the moment, the only supported extension is
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the SMBus alert protocol.
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This support is also available as a module. If so, the module
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will be called i2c-smbus.
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source drivers/i2c/algos/Kconfig
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source drivers/i2c/busses/Kconfig
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source drivers/i2c/chips/Kconfig
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@ -3,7 +3,8 @@
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#
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obj-$(CONFIG_I2C_BOARDINFO) += i2c-boardinfo.o
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obj-$(CONFIG_I2C) += i2c-core.o i2c-smbus.o
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obj-$(CONFIG_I2C) += i2c-core.o
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obj-$(CONFIG_I2C_SMBUS) += i2c-smbus.o
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obj-$(CONFIG_I2C_CHARDEV) += i2c-dev.o
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obj-y += busses/ chips/ algos/
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