lkml.org 
[lkml]   [2012]   [Jun]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 01/23 v6] Input: atmel_mxt_ts - derive phys from i2c client adapter
Date
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 <djkurtz@chromium.org>
---
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


\
 
 \ /
  Last update: 2012-06-28 16:21    [W:0.173 / U:0.156 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site