linux-kernel - Re: [PATCH] Input: elan_i2c - Expand maxmium product

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Date:	Mon, 21 Sep 2015 09:31:42 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	duson <dusonlin@....com.tw>
Cc:	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
	Arker <arker_wu@....com.tw>,
	何函璋 <hank_ho@....com.tw>,
	kyle_lin <kyle_lin@....com.tw>
Subject: Re: [PATCH] Input: elan_i2c - Expand maxmium product_id form 0xFF to
 0xFFFF

On Thu, Sep 10, 2015 at 09:55:47PM +0800, duson wrote:
> In order to support more projects in the feture, we expand the
> maxmium product_id value form 0xFF to 0xFFFF.
> 
> Signed-off by: Duson Lin <dusonlin@....com.tw>

Applied, thank you.

> ---
>  drivers/input/mouse/elan_i2c.h       |    2 +-
>  drivers/input/mouse/elan_i2c_core.c  |    6 +++---
>  drivers/input/mouse/elan_i2c_i2c.c   |    4 ++--
>  drivers/input/mouse/elan_i2c_smbus.c |    4 ++--
>  4 files changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/input/mouse/elan_i2c.h b/drivers/input/mouse/elan_i2c.h
> index 73670f2..c0ec261 100644
> --- a/drivers/input/mouse/elan_i2c.h
> +++ b/drivers/input/mouse/elan_i2c.h
> @@ -60,7 +60,7 @@ struct elan_transport_ops {
>  	int (*get_sm_version)(struct i2c_client *client,
>  			      u8* ic_type, u8 *version);
>  	int (*get_checksum)(struct i2c_client *client, bool iap, u16 *csum);
> -	int (*get_product_id)(struct i2c_client *client, u8 *id);
> +	int (*get_product_id)(struct i2c_client *client, u16 *id);
>  
>  	int (*get_max)(struct i2c_client *client,
>  		       unsigned int *max_x, unsigned int *max_y);
> diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
> index e2b7420..4a5450d 100644
> --- a/drivers/input/mouse/elan_i2c_core.c
> +++ b/drivers/input/mouse/elan_i2c_core.c
> @@ -4,7 +4,7 @@
>   * Copyright (c) 2013 ELAN Microelectronics Corp.
>   *
>   * Author: 林政維 (Duson Lin) <dusonlin@....com.tw>
> - * Version: 1.6.0
> + * Version: 1.6.1
>   *
>   * Based on cyapa driver:
>   * copyright (c) 2011-2012 Cypress Semiconductor, Inc.
> @@ -40,7 +40,7 @@
>  #include "elan_i2c.h"
>  
>  #define DRIVER_NAME		"elan_i2c"
> -#define ELAN_DRIVER_VERSION	"1.6.0"
> +#define ELAN_DRIVER_VERSION	"1.6.1"
>  #define ETP_MAX_PRESSURE	255
>  #define ETP_FWIDTH_REDUCE	90
>  #define ETP_FINGER_WIDTH	15
> @@ -76,7 +76,7 @@ struct elan_tp_data {
>  	unsigned int		x_res;
>  	unsigned int		y_res;
>  
> -	u8			product_id;
> +	u16			product_id;
>  	u8			fw_version;
>  	u8			sm_version;
>  	u8			iap_version;
> diff --git a/drivers/input/mouse/elan_i2c_i2c.c b/drivers/input/mouse/elan_i2c_i2c.c
> index 683c840..a679e56 100644
> --- a/drivers/input/mouse/elan_i2c_i2c.c
> +++ b/drivers/input/mouse/elan_i2c_i2c.c
> @@ -276,7 +276,7 @@ static int elan_i2c_get_sm_version(struct i2c_client *client,
>  	return 0;
>  }
>  
> -static int elan_i2c_get_product_id(struct i2c_client *client, u8 *id)
> +static int elan_i2c_get_product_id(struct i2c_client *client, u16 *id)
>  {
>  	int error;
>  	u8 val[3];
> @@ -287,7 +287,7 @@ static int elan_i2c_get_product_id(struct i2c_client *client, u8 *id)
>  		return error;
>  	}
>  
> -	*id = val[0];
> +	*id = le16_to_cpup((__le16 *)val);
>  	return 0;
>  }
>  
> diff --git a/drivers/input/mouse/elan_i2c_smbus.c b/drivers/input/mouse/elan_i2c_smbus.c
> index ff36a36..cb6aecb 100644
> --- a/drivers/input/mouse/elan_i2c_smbus.c
> +++ b/drivers/input/mouse/elan_i2c_smbus.c
> @@ -183,7 +183,7 @@ static int elan_smbus_get_sm_version(struct i2c_client *client,
>  	return 0;
>  }
>  
> -static int elan_smbus_get_product_id(struct i2c_client *client, u8 *id)
> +static int elan_smbus_get_product_id(struct i2c_client *client, u16 *id)
>  {
>  	int error;
>  	u8 val[3];
> @@ -195,7 +195,7 @@ static int elan_smbus_get_product_id(struct i2c_client *client, u8 *id)
>  		return error;
>  	}
>  
> -	*id = val[1];
> +	*id = be16_to_cpup((__be16 *)val);
>  	return 0;
>  }
> 

-- 
Dmitry
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