From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: Petr Mladek <pmladek@suse.com>,
Dave Stevenson <dave.stevenson@raspberrypi.com>,
Rasmus Villemoes <linux@rasmusvillemoes.dk>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
dri-devel <dri-devel@lists.freedesktop.org>,
Hans Verkuil <hverkuil@xs4all.nl>,
Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
Steven Rostedt <rostedt@goodmis.org>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Joe Perches <joe@perches.com>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
Linux Media Mailing List <linux-media@vger.kernel.org>
Subject: Re: [PATCH v6 1/3] lib/vsprintf: Add support for printing V4L2 and DRM fourccs
Date: Tue, 9 Feb 2021 12:01:50 +0200 [thread overview]
Message-ID: <YCJdjv+NjfTn/KsQ@smile.fi.intel.com> (raw)
In-Reply-To: <YCGmD1d1Zn+EhrDH@smile.fi.intel.com>
On Mon, Feb 08, 2021 at 10:58:55PM +0200, Andy Shevchenko wrote:
> On Mon, Feb 08, 2021 at 10:43:30PM +0200, Andy Shevchenko wrote:
> > On Mon, Feb 8, 2021 at 10:11 PM Sakari Ailus
> > <sakari.ailus@linux.intel.com> wrote:
...
> __le32 val;
>
> val = cpu_to_le32(*fourcc & ~BIT(31));
>
> p += string_escape_mem(&val, sizeof(*fourcc), output, sizeof(output), ESCAPE_NP | ESCAPE_HEX, NULL);
sizeof(val) and as we are discussing in parallel emails something like
skip_trailing_spaces() to be applied after above.
The rationale of the above, that we reuse existing code and existing standard
for the escaping non-printable characters.
--
With Best Regards,
Andy Shevchenko
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next prev parent reply other threads:[~2021-02-09 10:02 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-08 20:09 [PATCH v6 0/3] Add %p4cc printk modifier for V4L2 and DRM fourcc codes Sakari Ailus
2021-02-08 20:09 ` [PATCH v6 1/3] lib/vsprintf: Add support for printing V4L2 and DRM fourccs Sakari Ailus
2021-02-08 20:43 ` Andy Shevchenko
2021-02-08 20:58 ` Andy Shevchenko
2021-02-09 10:01 ` Andy Shevchenko [this message]
2021-02-09 9:20 ` Sakari Ailus
2021-02-09 9:58 ` Andy Shevchenko
2021-02-09 17:47 ` Sakari Ailus
2021-02-11 17:14 ` Petr Mladek
2021-02-12 11:28 ` Sakari Ailus
2021-02-12 12:06 ` Petr Mladek
2021-02-08 20:09 ` [PATCH v6 2/3] v4l: ioctl: Use %p4cc printk modifier to print FourCC codes Sakari Ailus
2021-02-11 16:31 ` Petr Mladek
2021-02-12 10:01 ` Sakari Ailus
2021-02-08 20:09 ` [PATCH v6 3/3] drm/fourcc: Switch to %p4cc format modifier Sakari Ailus
2021-02-09 7:27 ` Daniel Vetter
2021-02-09 9:03 ` Sakari Ailus
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