From patchwork Thu Jun 27 12:48:50 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nick Dyer X-Patchwork-Id: 2793411 Return-Path: X-Original-To: patchwork-linux-input@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 9745D9F3A0 for ; Thu, 27 Jun 2013 13:04:53 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E833520374 for ; Thu, 27 Jun 2013 13:04:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5335F20370 for ; Thu, 27 Jun 2013 13:04:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753281Ab3F0NE2 (ORCPT ); Thu, 27 Jun 2013 09:04:28 -0400 Received: from kdh-gw.itdev.co.uk ([89.21.227.133]:40495 "EHLO hermes.kdh.itdev.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1753259Ab3F0Muj (ORCPT ); Thu, 27 Jun 2013 08:50:39 -0400 Received: from localhost.localdomain (andromeda.kdh.itdev.co.uk [192.168.1.19]) by hermes.kdh.itdev.co.uk (Postfix) with ESMTP id 7496A85AF5; Thu, 27 Jun 2013 13:50:38 +0100 (BST) From: Nick Dyer To: Dmitry Torokhov Cc: Daniel Kurtz , Henrik Rydberg , Joonyoung Shim , Alan Bowens , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Peter Meerwald , Benson Leung , Olof Johansson , Nick Dyer Subject: [PATCH 15/51] Input: atmel_mxt_ts - Read and report bootloader version Date: Thu, 27 Jun 2013 13:48:50 +0100 Message-Id: <1372337366-9286-16-git-send-email-nick.dyer@itdev.co.uk> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1372337366-9286-1-git-send-email-nick.dyer@itdev.co.uk> References: <1372337366-9286-1-git-send-email-nick.dyer@itdev.co.uk> Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org X-Spam-Status: No, score=-8.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Nick Dyer Acked-by: Benson Leung --- drivers/input/touchscreen/atmel_mxt_ts.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 82327e6..1ad60b6 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -203,6 +203,8 @@ #define MXT_FRAME_CRC_PASS 0x04 #define MXT_APP_CRC_FAIL 0x40 /* valid 7 8 bit only */ #define MXT_BOOT_STATUS_MASK 0x3f +#define MXT_BOOT_EXTENDED_ID (1 << 5) +#define MXT_BOOT_ID_MASK 0x1f /* Touch status */ #define MXT_UNGRIP (1 << 0) @@ -426,6 +428,27 @@ static int mxt_lookup_bootloader_address(struct mxt_data *data) return 0; } +static u8 mxt_get_bootloader_version(struct mxt_data *data, u8 val) +{ + struct device *dev = &data->client->dev; + u8 buf[3]; + + if (val & MXT_BOOT_EXTENDED_ID) { + if (mxt_bootloader_read(data, &buf[0], 3) != 0) { + dev_err(dev, "%s: i2c failure\n", __func__); + return -EIO; + } + + dev_info(dev, "Bootloader ID:%d Version:%d\n", buf[1], buf[2]); + + return buf[0]; + } else { + dev_info(dev, "Bootloader ID:%d\n", val & MXT_BOOT_ID_MASK); + + return val; + } +} + static int mxt_check_bootloader(struct mxt_data *data, unsigned int state) { struct device *dev = &data->client->dev; @@ -458,6 +481,9 @@ recheck: if (ret) return ret; + if (state == MXT_WAITING_BOOTLOAD_CMD) + val = mxt_get_bootloader_version(data, val); + switch (state) { case MXT_WAITING_BOOTLOAD_CMD: case MXT_WAITING_FRAME_DATA: