From patchwork Wed Jun 5 17:37:10 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Nick Dyer X-Patchwork-Id: 2672021 Return-Path: X-Original-To: patchwork-linux-input@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 7AA163FD4F for ; Wed, 5 Jun 2013 17:50:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757260Ab3FERsT (ORCPT ); Wed, 5 Jun 2013 13:48:19 -0400 Received: from kdh-gw.itdev.co.uk ([89.21.227.133]:46098 "EHLO hermes.kdh.itdev.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757176Ab3FERsR (ORCPT ); Wed, 5 Jun 2013 13:48:17 -0400 Received: from juno.kdh.itdev.co.uk (juno.kdh.itdev.co.uk [192.168.1.125]) by hermes.kdh.itdev.co.uk (Postfix) with ESMTP id 815E184E08; Wed, 5 Jun 2013 18:37:55 +0100 (BST) From: Nick Dyer To: Dmitry Torokhov , Daniel Kurtz , Henrik Rydberg , Joonyoung Shim , Alan.Bowens@atmel.com, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, pmeerw@pmeerw.net, bleung@chromium.org, olofj@chromium.org Cc: Nick Dyer Subject: [PATCH 17/53] Input: atmel_mxt_ts - Read and report bootloader version Date: Wed, 5 Jun 2013 18:37:10 +0100 Message-Id: <1370453866-16534-18-git-send-email-nick.dyer@itdev.co.uk> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1370453866-16534-1-git-send-email-nick.dyer@itdev.co.uk> References: <1370453866-16534-1-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 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 842312e..df8fc1a 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -206,6 +206,8 @@ #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) @@ -430,6 +432,27 @@ 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; @@ -462,6 +485,9 @@ 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: