linux-kernel - Re: [PATCH v3] Input: elants_i2c - Report resolution of ABS_MT_TOUCH

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Message-ID: <20200914064148.GQ1665100@dtor-ws>
Date:   Sun, 13 Sep 2020 23:41:48 -0700
From:   Dmitry Torokhov <dmitry.torokhov@...il.com>
To:     Johnny Chuang <johnny.chuang.emc@...il.com>
Cc:     Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Peter Hutterer <peter.hutterer@...-t.net>,
        linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
        Harry Cutts <hcutts@...omium.org>,
        Johnny Chuang <johnny.chuang@....com.tw>,
        James Chen <james.chen@....com.tw>,
        Jennifer Tsai <jennifer.tsai@....com.tw>,
        Paul Liang <paul.liang@....com.tw>,
        Jeff Chuang <jeff.chuang@....com.tw>
Subject: Re: [PATCH v3] Input: elants_i2c - Report resolution of
 ABS_MT_TOUCH_MAJOR by FW information.

On Fri, Aug 28, 2020 at 10:19:55AM +0800, Johnny Chuang wrote:
> This patch adds a new behavior to report touch major resolution
> based on information provided by firmware.
> 
> In initial process, driver acquires touch information from touch ic.
> It contains one byte about the resolution value of ABS_MT_TOUCH_MAJOR.
> Touch driver will report touch major resolution by this information.
> 
> Signed-off-by: Johnny Chuang <johnny.chuang.emc@...il.com>
> ---
> Changes in v2:
>   - register a real resolution value from firmware,
> 	instead of hardcoding resolution value as 1 by flag.
> Changes in v3:
>   - modify git log message from flag to real value.
>   - modify driver comment from flag to real value.
> ---
>  drivers/input/touchscreen/elants_i2c.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/input/touchscreen/elants_i2c.c b/drivers/input/touchscreen/elants_i2c.c
> index b0bd5bb..661a3ee 100644
> --- a/drivers/input/touchscreen/elants_i2c.c
> +++ b/drivers/input/touchscreen/elants_i2c.c
> @@ -151,6 +151,7 @@ struct elants_data {
>  
>  	bool wake_irq_enabled;
>  	bool keep_power_in_suspend;
> +	u8 report_major_resolution;

I renamed this to "major_res" to match x_res and y_res, and applied.

Thanks.

-- 
Dmitry