Re: [PATCH] Input: elan_i2c - Modify the correct input of the iap page type command.

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Hi Jingle,

On Wed, Nov 04, 2020 at 03:08:04PM +0800, jingle.wu wrote:
> The iap page type command of the parameter is page_size.

You need to supply your "Signed-off-by: " for me to apply this patch.

Thanks!

> ---
>  drivers/input/mouse/elan_i2c.h       |  2 +-
>  drivers/input/mouse/elan_i2c_core.c  |  3 ++-
>  drivers/input/mouse/elan_i2c_i2c.c   | 10 +++++-----
>  drivers/input/mouse/elan_i2c_smbus.c |  2 +-
>  4 files changed, 9 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/input/mouse/elan_i2c.h b/drivers/input/mouse/elan_i2c.h
> index c75b00c45d75..36e3cd908671 100644
> --- a/drivers/input/mouse/elan_i2c.h
> +++ b/drivers/input/mouse/elan_i2c.h
> @@ -78,7 +78,7 @@ struct elan_transport_ops {
>  	int (*iap_reset)(struct i2c_client *client);
>  
>  	int (*prepare_fw_update)(struct i2c_client *client, u16 ic_type,
> -				 u8 iap_version);
> +				 u8 iap_version, u16 fw_page_size);
>  	int (*write_fw_block)(struct i2c_client *client, u16 fw_page_size,
>  			      const u8 *page, u16 checksum, int idx);
>  	int (*finish_fw_update)(struct i2c_client *client,
> diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
> index c599e21a8478..61ed3f5ca219 100644
> --- a/drivers/input/mouse/elan_i2c_core.c
> +++ b/drivers/input/mouse/elan_i2c_core.c
> @@ -497,7 +497,8 @@ static int __elan_update_firmware(struct elan_tp_data *data,
>  	u16 sw_checksum = 0, fw_checksum = 0;
>  
>  	error = data->ops->prepare_fw_update(client, data->ic_type,
> -					     data->iap_version);
> +					     data->iap_version,
> +					     data->fw_page_size);
>  	if (error)
>  		return error;
>  
> diff --git a/drivers/input/mouse/elan_i2c_i2c.c b/drivers/input/mouse/elan_i2c_i2c.c
> index 5a496d4ffa49..13dc097eb6c6 100644
> --- a/drivers/input/mouse/elan_i2c_i2c.c
> +++ b/drivers/input/mouse/elan_i2c_i2c.c
> @@ -517,7 +517,7 @@ static int elan_i2c_set_flash_key(struct i2c_client *client)
>  	return 0;
>  }
>  
> -static int elan_read_write_iap_type(struct i2c_client *client)
> +static int elan_read_write_iap_type(struct i2c_client *client, u16 fw_page_size)
>  {
>  	int error;
>  	u16 constant;
> @@ -526,7 +526,7 @@ static int elan_read_write_iap_type(struct i2c_client *client)
>  
>  	do {
>  		error = elan_i2c_write_cmd(client, ETP_I2C_IAP_TYPE_CMD,
> -					   ETP_I2C_IAP_TYPE_REG);
> +					   fw_page_size / 2);
>  		if (error) {
>  			dev_err(&client->dev,
>  				"cannot write iap type: %d\n", error);
> @@ -543,7 +543,7 @@ static int elan_read_write_iap_type(struct i2c_client *client)
>  		constant = le16_to_cpup((__le16 *)val);
>  		dev_dbg(&client->dev, "iap type reg: 0x%04x\n", constant);
>  
> -		if (constant == ETP_I2C_IAP_TYPE_REG)
> +		if (constant == fw_page_size / 2)
>  			return 0;
>  
>  	} while (--retry > 0);
> @@ -553,7 +553,7 @@ static int elan_read_write_iap_type(struct i2c_client *client)
>  }
>  
>  static int elan_i2c_prepare_fw_update(struct i2c_client *client, u16 ic_type,
> -				      u8 iap_version)
> +				      u8 iap_version, u16 fw_page_size)
>  {
>  	struct device *dev = &client->dev;
>  	int error;
> @@ -594,7 +594,7 @@ static int elan_i2c_prepare_fw_update(struct i2c_client *client, u16 ic_type,
>  	}
>  
>  	if (ic_type >= 0x0D && iap_version >= 1) {
> -		error = elan_read_write_iap_type(client);
> +		error = elan_read_write_iap_type(client, fw_page_size);
>  		if (error)
>  			return error;
>  	}
> diff --git a/drivers/input/mouse/elan_i2c_smbus.c b/drivers/input/mouse/elan_i2c_smbus.c
> index 8ff823751f3b..1820f1cfc1dc 100644
> --- a/drivers/input/mouse/elan_i2c_smbus.c
> +++ b/drivers/input/mouse/elan_i2c_smbus.c
> @@ -340,7 +340,7 @@ static int elan_smbus_set_flash_key(struct i2c_client *client)
>  }
>  
>  static int elan_smbus_prepare_fw_update(struct i2c_client *client, u16 ic_type,
> -					u8 iap_version)
> +					u8 iap_version, u16 fw_page_size)
>  {
>  	struct device *dev = &client->dev;
>  	int len;
> -- 
> 2.17.1
> 

-- 
Dmitry



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