On Fri, 17 Nov 2023, Sean Aguinaga wrote:
Hi,
> Did you get a chance to implement V2?
Yes, v2 is here [1] and v3 is here [2]. Currently I do have the
a few changes on top of v3 that are appended here as a patch. I use it
with DMKS and it works (mostly). I do see the userspace confusion when
t
On Wed, 6 Sep 2023, Hans de Goede wrote:
> Hi Julius,
>
> On 9/4/23 21:02, Julius Zint wrote:
> >
> >
> > On Mon, 4 Sep 2023, Thomas Weißschuh wrote:
> >
> >> +Cc Hans who ins involved with the backlight subsystem
> >>
> >> Hi
On Mon, 4 Sep 2023, Thomas Weißschuh wrote:
+Cc Hans who ins involved with the backlight subsystem
Hi Julius,
today I stumbled upon a mail from Hans [0], which explains that the
backlight subsystem is not actually a good fit (yet?) for external
displays.
It seems a new API is in the works t
On 20.08.23 12:06, Christophe JAILLET wrote:
[...]
+static void hid_bl_remove(struct hid_device *hdev)
+{
+ struct backlight_device *bl;
+ struct hid_bl_data *data;
+
+ hid_dbg(hdev, "remove\n");
+ bl = hid_get_drvdata(hdev);
+ data = bl_get_data(bl);
+
+ devm_backlight_device
On 21.08.23 18:36, Daniel Thompson wrote:
@@ -472,6 +472,14 @@ config BACKLIGHT_LED
If you have a LCD backlight adjustable by LED class driver, say Y
to enable this driver.
+config BACKLIGHT_HID
+ tristate "VESA VCP HID Backlight Driver"
+ depends on HID
+ h
htness),
Logical Minimum (400),
Logical Maximum (6),
Unit (Centimeter^-2 * Candela),
Unit Exponent (14),
Report Size (32),
Report Count (1),
Feature (Variable, Null State),
The full HID descriptor dump is available as a comment in the source
code.
Signed-off-by: Julius Zint
---
d
exit in probe when HID parsing fails
- Add return code to error logs
- Adding HID Maintainers for review
[1] https://lore.kernel.org/dri-devel/20230701120806.11812-1-jul...@zint.sh/
[2] https://lore.kernel.org/dri-devel/20230806091403.10002-1-jul...@zint.sh/
Julius Zint (1):
backlight: hid_bl
htness),
Logical Minimum (400),
Logical Maximum (6),
Unit (Centimeter^-2 * Candela),
Unit Exponent (14),
Report Size (32),
Report Count (1),
Feature (Variable, Null State),
The full HID descriptor dump is available as a comment in the source
code.
Signed-off-by: Julius Zint
---
d
- Brightness HID usage value.
[1] https://lore.kernel.org/dri-devel/20230701120806.11812-1-jul...@zint.sh/
Julius Zint (1):
backlight: hid_bl: Add VESA virtual control panel HID backlight driver
drivers/video/backlight/Kconfig | 8 +
drivers/video/backlight/Makefile | 1 +
drivers/video
I appreciate all of the feedback, this should be plenty for a v2.
Thanks,
Julius
CE_TABLE(usb, id_table);
+
+static struct usb_driver usb_asdbl_driver = {
+ .name = "apple_bl_usb",
+ .probe = apple_bl_usb_probe,
+ .disconnect = apple_bl_usb_disconnect,
+ .id_table = id_table,
+ .suspend = apple_bl_usb_suspend,
+ .resume = apple_bl_usb_resume,
+ .reset_resume = apple_bl_usb_resume
+};
+module_usb_driver(usb_asdbl_driver);
+
+MODULE_AUTHOR("Julius Zint ");
+MODULE_LICENSE("Dual MIT/GPL");
+MODULE_DESCRIPTION("Backlight control for USB-C Thunderbolt Apple displays");
--
2.41.0
its fingers from it.
Julius Zint (1):
backlight: apple_bl_usb: Add Apple Studio Display support
drivers/video/backlight/Kconfig| 8 +
drivers/video/backlight/Makefile | 1 +
drivers/video/backlight/apple_bl_usb.c | 264 +
3 files changed, 273 insertions
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