From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9A57EC43331 for ; Tue, 31 Mar 2020 10:51:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7981420B1F for ; Tue, 31 Mar 2020 10:51:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730692AbgCaKv6 (ORCPT ); Tue, 31 Mar 2020 06:51:58 -0400 Received: from esa4.mentor.iphmx.com ([68.232.137.252]:43515 "EHLO esa4.mentor.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730680AbgCaKvz (ORCPT ); Tue, 31 Mar 2020 06:51:55 -0400 IronPort-SDR: IVrQqMxgAJxe+ql3bkIGDk9i8Y+GDbV0IwlSkZdE1QXL3PXPoZeQvS/8ysbsLvQFzJCYeohf5G xg00ILEYfHIPBnLm4ZQClAgBOtET3xwcHsA3HbxTIKbPY2Mp4LB7KBbyc/1JnbRjGeAxIw/hfa DwHPb/MUfgl1nSWUA5hnTOZPVzFtPNX2CivoKEShBIwV/JMMqcL15u0Gzyd+Sd3uUuTY9gWqbe x8e4NyATAq3rc8vELgSvM/PnB5kh8IvUlOf/ps/5ZaWcm3AhiLSdXo0b0fcNZhqqLbG+Ye8FSB uW8= X-IronPort-AV: E=Sophos;i="5.72,327,1580803200"; d="scan'208";a="47330751" Received: from orw-gwy-01-in.mentorg.com ([192.94.38.165]) by esa4.mentor.iphmx.com with ESMTP; 31 Mar 2020 02:51:54 -0800 IronPort-SDR: HPy7A/TyhWuIr46ikYVEOAU53I7xr0OgvRWGnmkxz5M7gYRzTkPDAqM6YcTMS7Ljebqq3ACl5w DG1TnZ4TUzoNJJ5LdbFdLadU8jLnGFZuh09Z0mKynb/e4Tf2sZ6hgeSB96So7jH+KlF84tbZrP E6OqUYW+vDyi1C0qGgKfYlYeyo+ZtsWR90o91ur3KAUM8/18TJm5C8G+wj6xnOlQDfcL3iE+32 ut+6rBpjBp5Y/HA3hU13N8C+TEmnk6pn+gtE0zZ7af+H9fOA2OKY+zJFPeAint2K9vEM9tLlXo Dxg= From: Jiada Wang To: , , , , CC: , , , , Subject: [PATCH v10 15/55] Input: atmel_mxt_ts - report failures in suspend/resume Date: Tue, 31 Mar 2020 03:50:11 -0700 Message-ID: <20200331105051.58896-16-jiada_wang@mentor.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200331105051.58896-1-jiada_wang@mentor.com> References: <20200331105051.58896-1-jiada_wang@mentor.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Nick Dyer This patch reports failures in suspend/resume Signed-off-by: Nick Dyer (cherry picked from ndyer/linux/for-upstream commit 93a57575403d) [gdavis: Resolve forward port conflicts due to applying upstream commit 96a938aa214e ("Input: atmel_mxt_ts - remove platform data support").] Signed-off-by: George G. Davis [jiada: Fix compilation warning Add commit description] Signed-off-by: Jiada Wang --- drivers/input/touchscreen/atmel_mxt_ts.c | 51 ++++++++++++++++++------ 1 file changed, 39 insertions(+), 12 deletions(-) diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index ef8baf64659e..f8783e37436f 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -3425,10 +3425,12 @@ static void mxt_reset_slots(struct mxt_data *data) mxt_input_sync(data); } -static void mxt_start(struct mxt_data *data) +static int mxt_start(struct mxt_data *data) { + int ret = 0; + if (!data->suspended || data->in_bootloader) - return; + return 0; switch (data->suspend_mode) { case MXT_SUSPEND_T9_CTRL: @@ -3453,28 +3455,42 @@ static void mxt_start(struct mxt_data *data) */ mxt_process_messages_until_invalid(data); - mxt_set_t7_power_cfg(data, MXT_POWER_CFG_RUN); + ret = mxt_set_t7_power_cfg(data, MXT_POWER_CFG_RUN); + if (ret) + return ret; /* Recalibrate since chip has been in deep sleep */ - mxt_t6_command(data, MXT_COMMAND_CALIBRATE, 1, false); + ret = mxt_t6_command(data, MXT_COMMAND_CALIBRATE, 1, false); + if (ret) + return ret; + + ret = mxt_acquire_irq(data); + if (ret) + return ret; - mxt_acquire_irq(data); break; } data->suspended = false; + + return 0; } -static void mxt_stop(struct mxt_data *data) +static int mxt_stop(struct mxt_data *data) { + int ret; + if (data->suspended || data->in_bootloader) - return; + return 0; switch (data->suspend_mode) { case MXT_SUSPEND_T9_CTRL: /* Touch disable */ - mxt_write_object(data, + ret = mxt_write_object(data, MXT_TOUCH_MULTI_T9, MXT_T9_CTRL, 0); + if (ret) + return ret; + break; case MXT_SUSPEND_REGULATOR: @@ -3487,29 +3503,40 @@ static void mxt_stop(struct mxt_data *data) default: disable_irq(data->irq); - mxt_set_t7_power_cfg(data, MXT_POWER_CFG_DEEPSLEEP); + ret = mxt_set_t7_power_cfg(data, MXT_POWER_CFG_DEEPSLEEP); + if (ret) + return ret; mxt_reset_slots(data); break; } data->suspended = true; + return 0; } static int mxt_input_open(struct input_dev *dev) { struct mxt_data *data = input_get_drvdata(dev); + int ret; - mxt_start(data); + ret = mxt_start(data); - return 0; + if (ret) + dev_err(&data->client->dev, "%s failed rc=%d\n", __func__, ret); + + return ret; } static void mxt_input_close(struct input_dev *dev) { struct mxt_data *data = input_get_drvdata(dev); + int ret; - mxt_stop(data); + ret = mxt_stop(data); + + if (ret) + dev_err(&data->client->dev, "%s failed rc=%d\n", __func__, ret); } static int mxt_parse_device_properties(struct mxt_data *data) -- 2.17.1