Re: [PATCH] iio:proximity:hx9031as: Add TYHX HX9031AS/HX9023S sensor driver

From: Dan Carpenter
Date: Mon May 27 2024 - 04:14:31 EST


On Sat, May 25, 2024 at 05:00:59PM +0300, Andy Shevchenko wrote:
> On Thu, May 23, 2024 at 3:42 PM Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:
>
>
> > 5e5a419c9407f6 Yasin Lee 2024-05-10 1110 static ssize_t hx9031as_raw_data_show(struct file *file, char __user *user_buf, size_t count, loff_t *ppos)
> > 5e5a419c9407f6 Yasin Lee 2024-05-10 1111 {
> > 5e5a419c9407f6 Yasin Lee 2024-05-10 1112 char buf[BUF_SIZE] = {0};
> > 5e5a419c9407f6 Yasin Lee 2024-05-10 1113 char *p = buf;
> > 5e5a419c9407f6 Yasin Lee 2024-05-10 1114 int ii = 0;
> > 5e5a419c9407f6 Yasin Lee 2024-05-10 1115
> > 5e5a419c9407f6 Yasin Lee 2024-05-10 1116 hx9031as_sample();
> > 5e5a419c9407f6 Yasin Lee 2024-05-10 1117 for (ii = 0; ii < HX9031AS_CH_NUM; ii++) {
> > 5e5a419c9407f6 Yasin Lee 2024-05-10 @1118 p += snprintf(p, PAGE_SIZE, "ch[%d]: DIFF=%-8d, RAW=%-8d, OFFSET=%-8d, BL=%-8d, LP=%-8d\n",
> > ^^^^^^^^^
>
>
> > Also use scnprintf() instead of snprintf() unless you need to check the
> > results.
>
> This is incorrect advice. You should recommend sysfs_emit() /
> sysfs_emit_at() in this kind of case.

No, this is not sysfs code. It's debugfs. The API is completely
different.

regards,
dan carpenter