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[209.132.180.67]) by mx.google.com with ESMTP id tf6si6116905pab.469.2014.05.05.02.06.58; Mon, 05 May 2014 02:06:58 -0700 (PDT) Received-SPF: none (google.com: linux-kernel-owner@vger.kernel.org does not designate permitted sender hosts) client-ip=209.132.180.67; Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755843AbaEEJGt (ORCPT + 27 others); Mon, 5 May 2014 05:06:49 -0400 Received: from comal.ext.ti.com ([198.47.26.152]:37992 "EHLO comal.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755095AbaEEJE4 (ORCPT ); Mon, 5 May 2014 05:04:56 -0400 Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by comal.ext.ti.com (8.13.7/8.13.7) with ESMTP id s4594qJ2013018; Mon, 5 May 2014 04:04:52 -0500 Received: from DLEE70.ent.ti.com (dlee70.ent.ti.com [157.170.170.113]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id s4594qdR012701; Mon, 5 May 2014 04:04:52 -0500 Received: from dlep32.itg.ti.com (157.170.170.100) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.3.174.1; Mon, 5 May 2014 04:04:52 -0500 Received: from localhost.localdomain (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id s4594ep2022901; Mon, 5 May 2014 04:04:49 -0500 From: Roger Quadros To: CC: , , , , , , , , Roger Quadros Subject: [PATCH v4 3/7] Input: pixcir_i2c_ts: Get rid of pdata->attb_read_val() Date: Mon, 5 May 2014 12:04:34 +0300 Message-ID: <1399280678-23925-4-git-send-email-rogerq@ti.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1399280678-23925-1-git-send-email-rogerq@ti.com> References: <1399280678-23925-1-git-send-email-rogerq@ti.com> MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: list List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: rogerq@ti.com X-Original-Authentication-Results: mx.google.com; spf=neutral (google.com: patch+caf_=patchwork-forward=linaro.org@linaro.org does not designate permitted sender hosts) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 List-Post: , List-Help: , List-Archive: List-Unsubscribe: , Get rid of the attb_read_val() platform hook. Instead, read the ATTB gpio directly from the driver. Fail if valid ATTB gpio is not provided by patform data. Signed-off-by: Roger Quadros Acked-by: Mugunthan V N --- drivers/input/touchscreen/pixcir_i2c_ts.c | 16 +++++++++++++++- include/linux/input/pixcir_ts.h | 2 +- 2 files changed, 16 insertions(+), 2 deletions(-) diff --git a/drivers/input/touchscreen/pixcir_i2c_ts.c b/drivers/input/touchscreen/pixcir_i2c_ts.c index 53d01d4..d0f6989 100644 --- a/drivers/input/touchscreen/pixcir_i2c_ts.c +++ b/drivers/input/touchscreen/pixcir_i2c_ts.c @@ -24,6 +24,7 @@ #include #include #include +#include struct pixcir_i2c_ts_data { struct i2c_client *client; @@ -87,11 +88,12 @@ static void pixcir_ts_poscheck(struct pixcir_i2c_ts_data *data) static irqreturn_t pixcir_ts_isr(int irq, void *dev_id) { struct pixcir_i2c_ts_data *tsdata = dev_id; + const struct pixcir_ts_platform_data *pdata = tsdata->chip; while (!tsdata->exiting) { pixcir_ts_poscheck(tsdata); - if (tsdata->chip->attb_read_val()) + if (gpio_get_value(pdata->gpio_attb)) break; msleep(20); @@ -296,6 +298,11 @@ static int pixcir_i2c_ts_probe(struct i2c_client *client, if (!pdata) { dev_err(&client->dev, "platform data not defined\n"); return -EINVAL; + } else { + if (!gpio_is_valid(pdata->gpio_attb)) { + dev_err(dev, "Invalid gpio_attb in pdata\n"); + return -EINVAL; + } } tsdata = devm_kzalloc(dev, sizeof(*tsdata), GFP_KERNEL); @@ -328,6 +335,13 @@ static int pixcir_i2c_ts_probe(struct i2c_client *client, input_set_drvdata(input, tsdata); + error = devm_gpio_request_one(dev, pdata->gpio_attb, + GPIOF_DIR_IN, "pixcir_i2c_attb"); + if (error) { + dev_err(dev, "Failed to request ATTB gpio\n"); + return error; + } + error = devm_request_threaded_irq(dev, client->irq, NULL, pixcir_ts_isr, IRQF_TRIGGER_FALLING | IRQF_ONESHOT, client->name, tsdata); diff --git a/include/linux/input/pixcir_ts.h b/include/linux/input/pixcir_ts.h index 7942804..160cf35 100644 --- a/include/linux/input/pixcir_ts.h +++ b/include/linux/input/pixcir_ts.h @@ -44,9 +44,9 @@ enum pixcir_int_mode { #define PIXCIR_INT_POL_HIGH (1UL << 2) struct pixcir_ts_platform_data { - int (*attb_read_val)(void); int x_max; int y_max; + int gpio_attb; /* GPIO connected to ATTB line */ }; #endif