From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dominic Curran Subject: [PATCH 1/3] [OMAPZOOM] Lower i2c speed on bus 1 for LDP. Date: Wed, 12 Nov 2008 14:21:38 -0600 Message-ID: <200811121421.38438.dcurran@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from devils.ext.ti.com ([198.47.26.153]:56007 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754599AbYKLUVp (ORCPT ); Wed, 12 Nov 2008 15:21:45 -0500 Received: from dlep34.itg.ti.com ([157.170.170.115]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id mACKLdiI019768 for ; Wed, 12 Nov 2008 14:21:44 -0600 Received: from gromit.am.dhcp.ti.com (localhost [127.0.0.1]) by dlep34.itg.ti.com (8.13.7/8.13.7) with ESMTP id mACKLcR2013891 for ; Wed, 12 Nov 2008 14:21:39 -0600 (CST) Content-Disposition: inline Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: linux-omap@vger.kernel.org Resending patch with more descriptive comment. Lower i2c bus 1 speed to 400KHz for LDP. At 2600KHz i2c reads from twl4030 keypad driver are returning incorrect data. Reason unknown. Lowering bus speed as temporary fix to get LDP keypad working. Signed-off-by: Dominic Curran --- arch/arm/mach-omap2/board-ldp.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c index d889ce8..b2e8c9c 100755 --- a/arch/arm/mach-omap2/board-ldp.c +++ b/arch/arm/mach-omap2/board-ldp.c @@ -797,7 +797,7 @@ static struct i2c_board_info __initdata ldp_i2c_boardinfo_2[] = { static int __init omap_i2c_init(void) { - omap_register_i2c_bus(1, 2600, ldp_i2c_boardinfo, + omap_register_i2c_bus(1, 400, ldp_i2c_boardinfo, ARRAY_SIZE(ldp_i2c_boardinfo)); omap_register_i2c_bus(2, 100, ldp_i2c_boardinfo_2, ARRAY_SIZE(ldp_i2c_boardinfo_2)); -- 1.5.4.1