From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
linux-input@vger.kernel.org, Henrik Rydberg <rydberg@bitmath.org>
Subject: Re: [PATCH v1 3/5] Input: edt-ft5x06 - use U16_MAX instead of -1
Date: Mon, 11 May 2020 13:09:20 +0300 [thread overview]
Message-ID: <20200511100920.GH185537@smile.fi.intel.com> (raw)
In-Reply-To: <20200303180917.12563-3-andriy.shevchenko@linux.intel.com>
On Tue, Mar 03, 2020 at 08:09:15PM +0200, Andy Shevchenko wrote:
> Explicitly show what the value we supply for the touchscreen resolution
> when it can't be detected. -1 is hard to compare with when unsigned short
> type is in use. The change will help to avoid signed vs. unsigned error
> prone comparisons.
>
So, this left without comment, does it mean you are going to apply it?
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
> drivers/input/touchscreen/edt-ft5x06.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
> index cb67104c6934..a05c6b597d43 100644
> --- a/drivers/input/touchscreen/edt-ft5x06.c
> +++ b/drivers/input/touchscreen/edt-ft5x06.c
> @@ -23,6 +23,7 @@
> #include <linux/input/touchscreen.h>
> #include <linux/irq.h>
> #include <linux/kernel.h>
> +#include <linux/limits.h>
> #include <linux/module.h>
> #include <linux/ratelimit.h>
> #include <linux/regulator/consumer.h>
> @@ -983,8 +984,8 @@ edt_ft5x06_ts_get_parameters(struct edt_ft5x06_ts_data *tsdata)
> tsdata->num_y = edt_ft5x06_register_read(tsdata,
> reg_addr->reg_num_y);
> } else {
> - tsdata->num_x = -1;
> - tsdata->num_y = -1;
> + tsdata->num_x = U16_MAX;
> + tsdata->num_y = U16_MAX;
> }
> }
>
> --
> 2.25.1
>
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2020-05-11 10:09 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-03 18:09 [PATCH v1 1/5] Input: of_touchscreen - explicitly choose axis Andy Shevchenko
2020-03-03 18:09 ` [PATCH v1 2/5] Input: edt-ft5x06 - refactor condition in edt_ft5x06_debugfs_mode_set() Andy Shevchenko
2020-03-07 1:11 ` Dmitry Torokhov
2020-03-03 18:09 ` [PATCH v1 3/5] Input: edt-ft5x06 - use U16_MAX instead of -1 Andy Shevchenko
2020-05-11 10:09 ` Andy Shevchenko [this message]
2020-03-03 18:09 ` [PATCH v1 4/5] Input: edt-ft5x06 - do not try to allocate too much memory Andy Shevchenko
2020-03-07 1:08 ` Dmitry Torokhov
2020-05-11 10:08 ` Andy Shevchenko
2020-03-03 18:09 ` [PATCH v1 5/5] Input: edt-ft5x06 - allocate buffer once for debugging Andy Shevchenko
2020-03-07 0:57 ` Dmitry Torokhov
2020-03-07 1:12 ` [PATCH v1 1/5] Input: of_touchscreen - explicitly choose axis Dmitry Torokhov
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