[PATCH] UBUNTU : SAUCE - ARM: adding i2c eeprom driver to read EDID

Mathieu Poirier mathieu.poirier at canonical.com
Fri Aug 20 20:51:18 UTC 2010


>From 7d0d86809864cb852988a296b12dff6436c45480 Mon Sep 17 00:00:00 2001
From: Mathieu J. Poirier <mathieu.poirier at 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 at 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;
 }
 
-- 
1.7.0.4







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