From patchwork Mon Nov 19 17:01:13 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Igor Grinberg X-Patchwork-Id: 1766281 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id 00FDDDF264 for ; Mon, 19 Nov 2012 17:04:51 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1TaUjD-0007pi-DS; Mon, 19 Nov 2012 17:01:47 +0000 Received: from softlayer.compulab.co.il ([50.23.254.55] helo=compulab.co.il) by merlin.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1TaUj2-0007lE-7Y for linux-arm-kernel@lists.infradead.org; Mon, 19 Nov 2012 17:01:38 +0000 Received: from [62.90.235.247] (port=50698 helo=zimbra-mta.compulab.co.il) by softlayer.compulab.co.il with esmtp (Exim 4.80) (envelope-from ) id 1TaUj0-0007HW-65; Mon, 19 Nov 2012 19:01:34 +0200 Received: from localhost (localhost.localdomain [127.0.0.1]) by zimbra-mta.compulab.co.il (Postfix) with ESMTP id 6EF33644195; Mon, 19 Nov 2012 19:01:33 +0200 (IST) X-Virus-Scanned: amavisd-new at compulab.co.il Received: from zimbra-mta.compulab.co.il ([127.0.0.1]) by localhost (zimbra-mta.compulab.co.il [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id M1LWyon3n+eA; Mon, 19 Nov 2012 19:01:31 +0200 (IST) Received: from grinberg-linux (grinberg-pc.compulab.local [10.1.1.13]) by zimbra-mta.compulab.co.il (Postfix) with SMTP id BCE03644192; Mon, 19 Nov 2012 19:01:30 +0200 (IST) Received: by grinberg-linux (sSMTP sendmail emulation); Mon, 19 Nov 2012 19:01:25 +0200 From: Igor Grinberg To: Tony Lindgren , Dmitry Torokhov Subject: [PATCH v2 1/2] ads7846: enable pendown GPIO debounce time setting Date: Mon, 19 Nov 2012 19:01:13 +0200 Message-Id: <1353344473-14753-1-git-send-email-grinberg@compulab.co.il> X-Mailer: git-send-email 1.7.3.4 In-Reply-To: <1353341038-14381-2-git-send-email-grinberg@compulab.co.il> References: <1353341038-14381-2-git-send-email-grinberg@compulab.co.il> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - softlayer.compulab.co.il X-AntiAbuse: Original Domain - lists.infradead.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - compulab.co.il X-Get-Message-Sender-Via: softlayer.compulab.co.il: acl_c_relayhosts_text_entry: grinberg@compulab.co.il|compulab.co.il X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20121119_120137_484946_27244362 X-CRM114-Status: GOOD ( 11.67 ) X-Spam-Score: -2.6 (--) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-2.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 SPF_HELO_PASS SPF: HELO matches SPF record -0.0 SPF_PASS SPF: sender matches SPF record -0.7 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Kevin Hilman , linux-omap@vger.kernel.org, Igor Grinberg , linux-arm-kernel@lists.infradead.org, linux-input@vger.kernel.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Some platforms need the pendown GPIO debounce time setting programmed. Since the pendown GPIO is handled by the driver, the debounce time should also be handled along with the pendown GPIO request. Signed-off-by: Igor Grinberg --- v2: fix the comment style drivers/input/touchscreen/ads7846.c | 6 +++++- include/linux/spi/ads7846.h | 5 +++-- 2 files changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c index f02028e..78e5d9a 100644 --- a/drivers/input/touchscreen/ads7846.c +++ b/drivers/input/touchscreen/ads7846.c @@ -955,7 +955,8 @@ static int ads7846_resume(struct device *dev) static SIMPLE_DEV_PM_OPS(ads7846_pm, ads7846_suspend, ads7846_resume); -static int __devinit ads7846_setup_pendown(struct spi_device *spi, struct ads7846 *ts) +static int __devinit ads7846_setup_pendown(struct spi_device *spi, + struct ads7846 *ts) { struct ads7846_platform_data *pdata = spi->dev.platform_data; int err; @@ -981,6 +982,9 @@ static int __devinit ads7846_setup_pendown(struct spi_device *spi, struct ads784 ts->gpio_pendown = pdata->gpio_pendown; + if (pdata->gpio_pendown_debounce) + gpio_set_debounce(pdata->gpio_pendown, + pdata->gpio_pendown_debounce); } else { dev_err(&spi->dev, "no get_pendown_state nor gpio_pendown?\n"); return -EINVAL; diff --git a/include/linux/spi/ads7846.h b/include/linux/spi/ads7846.h index c64de9d..2f694f3 100644 --- a/include/linux/spi/ads7846.h +++ b/include/linux/spi/ads7846.h @@ -46,8 +46,9 @@ struct ads7846_platform_data { u16 debounce_rep; /* additional consecutive good readings * required after the first two */ int gpio_pendown; /* the GPIO used to decide the pendown - * state if get_pendown_state == NULL - */ + * state if get_pendown_state == NULL */ + int gpio_pendown_debounce; /* platform specific debounce time for + * the gpio_pendown */ int (*get_pendown_state)(void); int (*filter_init) (const struct ads7846_platform_data *pdata, void **filter_data);