Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755561Ab2F1NKF (ORCPT ); Thu, 28 Jun 2012 09:10:05 -0400 Received: from mail-ee0-f74.google.com ([74.125.83.74]:45789 "EHLO mail-ee0-f74.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754557Ab2F1NIb (ORCPT ); Thu, 28 Jun 2012 09:08:31 -0400 From: Daniel Kurtz To: Dmitry Torokhov , Henrik Rydberg , Joonyoung Shim , Nick Dyer , Yufeng Shen Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, Olof Johansson , Benson Leung , Daniel Kurtz Subject: [PATCH 01/23 v6] Input: atmel_mxt_ts - derive phys from i2c client adapter Date: Thu, 28 Jun 2012 21:08:02 +0800 Message-Id: <1340888904-15620-2-git-send-email-djkurtz@chromium.org> X-Mailer: git-send-email 1.7.7.3 In-Reply-To: <1340888904-15620-1-git-send-email-djkurtz@chromium.org> References: <1340888904-15620-1-git-send-email-djkurtz@chromium.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1467 Lines: 42 This allows userspace to more easily distinguish which bus a particular atmel_mxt_ts device is attached to. The resulting phys will be something like: i2c-1-0067/input0 Signed-off-by: Daniel Kurtz --- drivers/input/touchscreen/atmel_mxt_ts.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 42e6450..b1108ca 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -250,6 +250,7 @@ struct mxt_finger { struct mxt_data { struct i2c_client *client; struct input_dev *input_dev; + char phys[64]; /* device physical location */ const struct mxt_platform_data *pdata; struct mxt_object *object_table; struct mxt_info info; @@ -1106,6 +1107,10 @@ static int __devinit mxt_probe(struct i2c_client *client, } input_dev->name = "Atmel maXTouch Touchscreen"; + snprintf(data->phys, sizeof(data->phys), "i2c-%u-%04x/input0", + client->adapter->nr, client->addr); + input_dev->phys = data->phys; + input_dev->id.bustype = BUS_I2C; input_dev->dev.parent = &client->dev; input_dev->open = mxt_input_open; -- 1.7.7.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/