From: Andy Shevchenko <andriy.shevchenko@intel.com>
To: Sakari Ailus <sakari.ailus@linux.intel.com>
Cc: "Maurizio Casciano" <mauriziocasciano7@gmail.com>,
linux-media@vger.kernel.org,
"Mauro Carvalho Chehab" <mchehab@kernel.org>,
"Bingbu Cao" <bingbu.cao@amd.com>,
"Jacopo Mondi" <jacopo.mondi@ideasonboard.com>,
"Nicholas Roth" <nicholas@rothemail.net>,
"Andy Shevchenko" <andy@kernel.org>,
"Hans de Goede" <hansg@kernel.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Jose Maria Martin" <jmmartinf@hotmail.com>,
"Uwe Kleine-König" <ukleinek@kernel.org>,
linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 02/11] media: ov8858: support 19.2 MHz clock and CHT gain setup
Date: Fri, 28 Aug 2026 10:48:38 +0300 [thread overview]
Message-ID: <apE9VnQoWHk0PIXo@ashevche-desk.local> (raw)
In-Reply-To: <apE4pzPqsjmQW-6J@kekkonen.localdomain>
On Fri, Aug 28, 2026 at 10:28:39AM +0300, Sakari Ailus wrote:
> On Thu, Aug 27, 2026 at 10:46:48PM +0300, Andy Shevchenko wrote:
...
> > > +#define OV8858_XVCLK_FREQ_19_2MHZ (192 * HZ_PER_MHZ / 10)
>
> You can do:
>
> #define OV8858_XVCLK_FREQ_19_2MHZ (19.2 * HZ_PER_MHZ)
>
> i.e. no need for a division, the compiler can handle it.
Yes, but that feels not right (converting float to integer at compile-time).
As I said, I think my suggestion _in this case_ was wrong, let leave them
as they are now defined.
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2026-08-28 7:48 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-26 13:22 [PATCH 0/8] media: Add Lenovo Yoga Book YB1-X91 camera support Maurizio Casciano
2026-08-26 13:22 ` [PATCH 1/8] media: ov8858: support 19.2 MHz clock and CHT gain setup Maurizio Casciano
2026-08-27 9:40 ` Andy Shevchenko
2026-08-27 11:59 ` Sakari Ailus
2026-08-27 18:19 ` Maurizio Casciano
2026-08-26 13:22 ` [PATCH 2/8] media: i2c: Add Yoga Book camera ACPI IDs Maurizio Casciano
2026-08-27 9:58 ` Andy Shevchenko
2026-08-27 12:14 ` Sakari Ailus
2026-08-27 12:46 ` Andy Shevchenko
2026-08-27 18:19 ` Maurizio Casciano
2026-08-27 23:18 ` Maurizio Casciano
2026-08-27 12:13 ` Sakari Ailus
2026-08-26 13:22 ` [PATCH 3/8] media: intel: ipu-bridge: Add Yoga Book camera sensors Maurizio Casciano
2026-08-26 13:22 ` [PATCH 4/8] media: atomisp: Add Yoga Book camera configuration Maurizio Casciano
2026-08-26 13:22 ` [PATCH 5/8] media: atomisp: support the Yoga Book OV2740 link Maurizio Casciano
2026-08-27 14:26 ` Andy Shevchenko
2026-08-27 23:18 ` Maurizio Casciano
2026-08-26 13:22 ` [PATCH 6/8] media: ov2740: add manual white balance controls Maurizio Casciano
2026-08-27 3:13 ` Cao, Bingbu
2026-08-27 18:19 ` Maurizio Casciano
2026-08-27 14:32 ` Andy Shevchenko
2026-08-26 13:22 ` [PATCH 7/8] media: atomisp: allow opt-in raw Bayer capture Maurizio Casciano
2026-08-27 14:43 ` Andy Shevchenko
2026-08-26 13:22 ` [PATCH 8/8] media: i2c: Add WV517S lens actuator driver Maurizio Casciano
2026-08-27 12:30 ` Sakari Ailus
2026-08-27 18:19 ` Maurizio Casciano
2026-08-27 18:17 ` [PATCH v2 00/11] media: Add Lenovo Yoga Book YB1-X91 camera support Maurizio Casciano
2026-08-27 18:17 ` [PATCH v2 01/11] media: ov8858: Extract digital gain programming Maurizio Casciano
2026-08-27 18:17 ` [PATCH v2 02/11] media: ov8858: support 19.2 MHz clock and CHT gain setup Maurizio Casciano
2026-08-27 19:46 ` Andy Shevchenko
2026-08-27 23:18 ` Maurizio Casciano
2026-08-28 7:28 ` Sakari Ailus
2026-08-28 7:48 ` Andy Shevchenko [this message]
2026-08-27 18:17 ` [PATCH v2 03/11] media: ov2740: Use C99 initializers for ACPI IDs Maurizio Casciano
2026-08-27 19:47 ` Andy Shevchenko
2026-08-27 18:17 ` [PATCH v2 04/11] media: ov2740: Add OVTI2740 ACPI ID Maurizio Casciano
2026-08-27 18:17 ` [PATCH v2 05/11] media: ov8858: Add INT3477 " Maurizio Casciano
2026-08-28 11:21 ` Sakari Ailus
2026-08-28 13:24 ` Andy Shevchenko
2026-08-28 13:31 ` Andy Shevchenko
2026-08-27 18:17 ` [PATCH v2 06/11] media: intel: ipu-bridge: Add Yoga Book camera sensors Maurizio Casciano
2026-08-27 18:17 ` [PATCH v2 07/11] media: atomisp: Add Yoga Book camera configuration Maurizio Casciano
2026-08-27 18:17 ` [PATCH v2 08/11] media: atomisp: support the Yoga Book OV2740 link Maurizio Casciano
2026-08-27 19:57 ` Andy Shevchenko
2026-08-28 11:37 ` Sakari Ailus
2026-08-28 11:42 ` Sakari Ailus
2026-08-27 18:17 ` [PATCH v2 09/11] media: ov2740: add manual white balance controls Maurizio Casciano
2026-08-27 20:03 ` Andy Shevchenko
2026-08-27 18:17 ` [PATCH v2 10/11] media: atomisp: allow raw Bayer capture Maurizio Casciano
2026-08-27 20:24 ` Andy Shevchenko
2026-08-27 18:17 ` [PATCH v2 11/11] media: i2c: Add WV517S lens actuator driver Maurizio Casciano
2026-08-27 20:31 ` Andy Shevchenko
2026-08-27 18:58 ` [PATCH v2 00/11] media: Add Lenovo Yoga Book YB1-X91 camera support Andy Shevchenko
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