All,

This patch creates an entry in /sys that allows user space utilities such as 'decode-edid' and 'parse-edid' to read the monitor's EDID information.

Please consider adding to your tree.

Processor: Omap3 Platform: beagleboard Cx

Mathieu.

From 7d0d86809864cb852988a296b12dff6436c45480 Mon Sep 17 00:00:00 2001

From: Mathieu J. Poirier mathieu.poirier@canonical.com Date: Fri, 20 Aug 2010 14:25:53 -0600 Subject: [PATCH] UBUNTU - ARM: adding i2c eeprom driver to read EDID

Adding i2c eeprom driver to access monitor EDID binary information from user space, something that is required by 'decode-edid' and 'parse-edid'.

BugLink: https://bugs.launchpad.net/bugs/608279

Signed-off-by: Mathieu Poirier mathieu.poirier@canonical.com --- arch/arm/mach-omap2/board-omap3beagle.c | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-)

diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c index 7a1b351..fb6cbb9 100644 --- a/arch/arm/mach-omap2/board-omap3beagle.c +++ b/arch/arm/mach-omap2/board-omap3beagle.c @@ -355,13 +355,19 @@ static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = { }, };

+static struct i2c_board_info __initdata beagle_i2c_eeprom[] = { + { + I2C_BOARD_INFO("eeprom", 0x50), + }, +}; + static int __init omap3_beagle_i2c_init(void) { omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo, ARRAY_SIZE(beagle_i2c_boardinfo)); /* Bus 3 is attached to the DVI port where devices like the pico DLP * projector don't work reliably with 400kHz */ - omap_register_i2c_bus(3, 100, NULL, 0); + omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom)); return 0; }