Re: [PATCH 2/2] input: touchscreen mc13xxx: Add mc34708 support
From: Joe Perches
Date: Wed Apr 11 2018 - 12:01:10 EST
On Wed, 2018-04-11 at 16:13 +0200, Lukasz Majewski wrote:
> From: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
>
> The mc34708 has a different bit to enable pen detection. This
> adds the driver data and devtype necessary to probe the device
> and to distinguish between the mc13783 and the mc34708.
style trivia:
> diff --git a/drivers/input/touchscreen/mc13783_ts.c b/drivers/input/touchscreen/mc13783_ts.c
[]
> @@ -96,6 +135,10 @@ static void mc13783_ts_report_sample(struct mc13783_ts_priv *priv)
>
> cr0 = (cr0 + cr1) / 2;
>
> + if (priv->drvdata->type == MC13XXX_TYPE_MC34708)
> + if (cr0 > 4080)
> + cr0 = 0;
For easy of reading, this multiple if block should either
use braces around the first if like:
if (foo) {
if (bar)
single_statement;
}
or be written
if (foo && bar)
single_statement;
I generally prefer the latter style.