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ccf988b66d
Convert each file at I2C subsystem, renaming them to .rst and adding to the driver-api book. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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41 lines
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=====================
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Kernel driver i2c-via
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=====================
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Supported adapters:
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* VIA Technologies, InC. VT82C586B
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Datasheet: Publicly available at the VIA website
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Author: Kyösti Mälkki <kmalkki@cc.hut.fi>
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Description
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-----------
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i2c-via is an i2c bus driver for motherboards with VIA chipset.
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The following VIA pci chipsets are supported:
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- MVP3, VP3, VP2/97, VPX/97
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- others with South bridge VT82C586B
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Your ``lspci`` listing must show this ::
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Bridge: VIA Technologies, Inc. VT82C586B ACPI (rev 10)
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Problems?
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---------
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Q:
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You have VT82C586B on the motherboard, but not in the listing.
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A:
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Go to your BIOS setup, section PCI devices or similar.
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Turn USB support on, and try again.
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Q:
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No error messages, but still i2c doesn't seem to work.
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A:
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This can happen. This driver uses the pins VIA recommends in their
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datasheets, but there are several ways the motherboard manufacturer
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can actually wire the lines.
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