linux-kernel - Re: [PATCH 1/6] Input: elantech - Add the pattern for firmware into elantech_device

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Date:   Sat, 7 Dec 2019 12:33:17 -0800
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     "Dave.Wang" <dave.wang@....com.tw>
Cc:     Linux-kernel@...r.kernel.org, Linux-input@...r.kernel.org,
        'Benjamin Tissoires' <benjamin.tissoires@...hat.com>,
        "'Josh.Chen'" <josh.chen@....com.tw>, jingle.wu@....com.tw,
        'phoenix' <phoenix@....com.tw>
Subject: Re: [PATCH 1/6] Input: elantech - Add the pattern for firmware into
 elantech_device_info structure

Hi Dave,

On Fri, Dec 06, 2019 at 10:25:09AM +0800, Dave.Wang wrote:
> Add the conditional expression to distinguish different patterns regarding
> 0, 1, 2. Different pattern has its own location for device information.

Your patches came in as line-wrapped by your mailer. Could you try
resending with "git send-email" please?

And could you please also add Kai-Heng Feng
<kai.heng.feng@...onical.com> to the CC as they were looking at the
bunch of laptops with Elan parts.

Thanks!

> 
> Signed-off-by: Dave Wang <dave.wang@....com.tw>
> ---
>  drivers/input/mouse/elantech.c | 11 +++++++++++
> drivers/input/mouse/elantech.h |  1 +
>  2 files changed, 12 insertions(+)
> 
> diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
> index 2d8434b7b623..1f0d914acd78 100644
> --- a/drivers/input/mouse/elantech.c
> +++ b/drivers/input/mouse/elantech.c
> @@ -1557,6 +1557,17 @@ static int elantech_set_properties(struct
> elantech_device_info *info)
>  		}
>  	}
>  
> +	/* Get information pattern for hw_version 4 */
> +	if (ver == 15) {
> +		if ((info->fw_version & 0x0000ff) == 0x01)
> +			info->pattern = 0x01;
> +		else if ((info->fw_version & 0x0000ff) == 0x02)
> +			info->pattern = 0x02;
> +		else
> +			info->pattern = 0x00;
> +	} else
> +		info->pattern = 0x00;
> +
>  	/* decide which send_cmd we're gonna use early */
>  	info->send_cmd = info->hw_version >= 3 ? elantech_send_cmd :
>  						 synaptics_send_cmd;
> diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h
> index e0a3e59d4f1b..0aae6a9de8f0 100644
> --- a/drivers/input/mouse/elantech.h
> +++ b/drivers/input/mouse/elantech.h
> @@ -140,6 +140,7 @@ struct elantech_device_info {
>  	unsigned char samples[3];
>  	unsigned char debug;
>  	unsigned char hw_version;
> +	unsigned char pattern;
>  	unsigned int fw_version;
>  	unsigned int x_min;
>  	unsigned int y_min;
> --
> 2.17.1
> 
> 

-- 
Dmitry