linux-kernel - Re: [PATCH 1/9] input: goodix: fix alignment issues

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Date:	Fri, 5 Jun 2015 09:49:01 -0700
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Irina Tirdea <irina.tirdea@...el.com>
Cc:	Bastien Nocera <hadess@...ess.net>, linux-input@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/9] input: goodix: fix alignment issues

Hi Irina,

On Thu, May 28, 2015 at 03:47:37PM +0300, Irina Tirdea wrote:
> Fix alignment to match open parenthesis detected by
> running checkpatch.pl --strict.

Mixed bag of changes here, but that's checkpatch for you.

> 
> Signed-off-by: Irina Tirdea <irina.tirdea@...el.com>
> ---
>  drivers/input/touchscreen/goodix.c | 17 +++++++++--------
>  1 file changed, 9 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c
> index 0d93b1e..c2e785c 100644
> --- a/drivers/input/touchscreen/goodix.c
> +++ b/drivers/input/touchscreen/goodix.c
> @@ -69,7 +69,7 @@ static const unsigned long goodix_irq_flags[] = {
>   * @len: length of the buffer to write
>   */
>  static int goodix_i2c_read(struct i2c_client *client,
> -				u16 reg, u8 *buf, int len)
> +			   u16 reg, u8 *buf, int len)
>  {
>  	struct i2c_msg msgs[2];
>  	u16 wbuf = cpu_to_be16(reg);
> @@ -78,7 +78,7 @@ static int goodix_i2c_read(struct i2c_client *client,
>  	msgs[0].flags = 0;
>  	msgs[0].addr  = client->addr;
>  	msgs[0].len   = 2;
> -	msgs[0].buf   = (u8 *) &wbuf;
> +	msgs[0].buf   = (u8 *)&wbuf;

Good.

>  
>  	msgs[1].flags = I2C_M_RD;
>  	msgs[1].addr  = client->addr;
> @@ -112,7 +112,7 @@ static int goodix_ts_read_input_report(struct goodix_ts_data *ts, u8 *data)
>  		data += 1 + GOODIX_CONTACT_SIZE;
>  		error = goodix_i2c_read(ts->client,
>  					GOODIX_READ_COOR_ADDR +
> -						1 + GOODIX_CONTACT_SIZE,
> +					1 + GOODIX_CONTACT_SIZE,

Bad - makes 1 + GOODIX_CONTACT_SIZE look like extra argument, not
continuation of expression.


>  					data,
>  					GOODIX_CONTACT_SIZE * (touch_num - 1));
>  		if (error)
> @@ -157,7 +157,8 @@ static void goodix_process_events(struct goodix_ts_data *ts)
>  
>  	for (i = 0; i < touch_num; i++)
>  		goodix_ts_report_touch(ts,
> -				&point_data[1 + GOODIX_CONTACT_SIZE * i]);
> +				       &point_data[1 +
> +				       GOODIX_CONTACT_SIZE * i]);

No, this is plain ugly.

>  
>  	input_mt_sync_frame(ts->input_dev);
>  	input_sync(ts->input_dev);
> @@ -199,8 +200,8 @@ static void goodix_read_config(struct goodix_ts_data *ts)
>  	int error;
>  
>  	error = goodix_i2c_read(ts->client, GOODIX_REG_CONFIG_DATA,
> -			      config,
> -			   GOODIX_CONFIG_MAX_LENGTH);
> +				config,
> +				GOODIX_CONFIG_MAX_LENGTH);

Good.

>  	if (error) {
>  		dev_warn(&ts->client->dev,
>  			 "Error reading config (%d), using defaults\n",
> @@ -297,9 +298,9 @@ static int goodix_request_input_dev(struct goodix_ts_data *ts)
>  				  BIT_MASK(EV_ABS);
>  
>  	input_set_abs_params(ts->input_dev, ABS_MT_POSITION_X, 0,
> -				ts->abs_x_max, 0, 0);
> +			     ts->abs_x_max, 0, 0);

Good.

>  	input_set_abs_params(ts->input_dev, ABS_MT_POSITION_Y, 0,
> -				ts->abs_y_max, 0, 0);
> +			     ts->abs_y_max, 0, 0);

Good.

>  	input_set_abs_params(ts->input_dev, ABS_MT_WIDTH_MAJOR, 0, 255, 0, 0);
>  	input_set_abs_params(ts->input_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0);
>  
> -- 
> 1.9.1
> 

Thanks.

-- 
Dmitry
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