Cirrus Logic framebuffer I2C support

PATCH Superseded Krzysztof Halasa 1 participant 1 message Jul 4, 2006 Framebuffer layer

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Krzysztof Halasa

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2006-07-04 19:23 UTC #0 lore raw

PATCH 1/1 Cirrus Logic framebuffer I2C support

Hi,

The attached patch adds I2C support to Cirrus Logic framebuffer driver. Only "I2C adapter" is supported, it's not used for DDC purposes. Tested with an old Intel R440LX machine against ST M24512 I2C EEPROM connected to VGA DDC signals.

Currently works with "Alpine" chips only (CL-GD543x and 544x).

I've done it for my tests but don't know why should I keep it private.

Signed-off-by Krzysztof Halasa <[email protected]>

drivers/video/Kconfig +6 -0

index 4587087..b50825d 100644
@@ -133,6 +133,12 @@ config FB_CIRRUS
 	  Say N unless you have such a graphics board or plan to get one
 	  before you next recompile the kernel.
 
+config FB_CIRRUS_I2C
+	bool "   Enable I2C adapter driver"
+	depends on FB_CIRRUS
+	help
+	  This enables I2C support for Cirrus Logic boards.
+
 config FB_PM2
 	tristate "Permedia2 support"
 	depends on FB && ((AMIGA && BROKEN) || PCI)

drivers/video/cirrusfb.c +70 -1

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