From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Hans de Goede <hdegoede@redhat.com>
Cc: "Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
"Andy Shevchenko" <andy@kernel.org>,
"Thierry Reding" <thierry.reding@gmail.com>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
"Yauhen Kharuzhy" <jekhor@gmail.com>,
platform-driver-x86@vger.kernel.org, linux-pwm@vger.kernel.org
Subject: Re: [PATCH 18/19] platform/x86: lenovo-yogabook: Add keyboard backlight control to platform driver
Date: Sun, 30 Apr 2023 13:51:13 +0300 [thread overview]
Message-ID: <CAHp75Vf3YhC-cTyDxii1-cV22MEtD8YUVTAJQfwrbDLNTDg1hg@mail.gmail.com> (raw)
In-Reply-To: <20230429181551.98201-19-hdegoede@redhat.com>
On Sat, Apr 29, 2023 at 9:16 PM Hans de Goede <hdegoede@redhat.com> wrote:
>
> On the Android yb1-x90f/l models there is not ACPI method to control
> the keyboard backlight brightness. Instead the second PWM controller
> is exposed directly to the OS there.
>
> Add support for controlling keyboard backlight brightness on the Android
> model by using the PWM subsystem to directly control the PWM.
...
> +#define YB_KBD_BL_PWM_PERIOD 13333
Defined...
> +static struct pwm_lookup yogabook_pdev_pwm_lookup[] = {
> + PWM_LOOKUP_WITH_MODULE("80862289:00", 0, YB_PDEV_NAME,
> + "kbd_bl_pwm", 13333, PWM_POLARITY_NORMAL,
...but not used?
> + "pwm-lpss-platform"),
> +};
...
> + if (IS_ERR(data->kbd_bl_pwm)) {
> + r = PTR_ERR(data->kbd_bl_pwm);
> + dev_err_probe(dev, r, "Getting keyboard backlight PWM\n");
r = dev_err_probe();
> + goto error_put_devs;
> + }
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2023-04-30 10:51 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-29 18:15 [PATCH 00/19] platform/x86: lenovo-yogabook: Modify to also work on Android version Hans de Goede
2023-04-29 18:15 ` [PATCH 01/19] pwm: Export pwm_add_table() / pwm_remove_table() Hans de Goede
2023-04-29 18:15 ` [PATCH 02/19] platform/x86: lenovo-yogabook: Fix work race on remove() Hans de Goede
2023-04-29 18:15 ` [PATCH 03/19] platform/x86: lenovo-yogabook: Reprobe devices " Hans de Goede
2023-04-29 18:15 ` [PATCH 04/19] platform/x86: lenovo-yogabook: Set default keyboard backligh brightness on probe() Hans de Goede
2023-04-29 18:15 ` [PATCH 05/19] platform/x86: lenovo-yogabook: Simplify gpio lookup table cleanup Hans de Goede
2023-04-29 18:15 ` [PATCH 06/19] platform/x86: lenovo-yogabook: Switch to DEFINE_SIMPLE_DEV_PM_OPS() Hans de Goede
2023-04-29 18:15 ` [PATCH 07/19] platform/x86: lenovo-yogabook: Store dev instead of wdev in drvdata struct Hans de Goede
2023-04-29 18:15 ` [PATCH 08/19] platform/x86: lenovo-yogabook: Add dev local variable to probe() Hans de Goede
2023-04-30 10:31 ` Andy Shevchenko
2023-04-29 18:15 ` [PATCH 09/19] platform/x86: lenovo-yogabook: Use PMIC LED driver for pen icon LED control Hans de Goede
2023-04-30 10:35 ` Andy Shevchenko
2023-04-29 18:15 ` [PATCH 10/19] platform/x86: lenovo-yogabook: Split probe() into generic and WMI specific parts Hans de Goede
2023-04-30 10:38 ` Andy Shevchenko
2023-04-29 18:15 ` [PATCH 11/19] platform/x86: lenovo-yogabook: Stop checking adev->power.state Hans de Goede
2023-04-29 18:15 ` [PATCH 12/19] platform/x86: lenovo-yogabook: Abstract kbd backlight setting Hans de Goede
2023-04-30 10:41 ` Andy Shevchenko
2023-04-29 18:15 ` [PATCH 13/19] platform/x86: lenovo-yogabook: Add a yogabook_toggle_digitizer_mode() helper function Hans de Goede
2023-04-29 18:15 ` [PATCH 14/19] platform/x86: lenovo-yogabook: Drop _wmi_ from remaining generic symbols Hans de Goede
2023-04-30 10:44 ` Andy Shevchenko
2023-04-29 18:15 ` [PATCH 15/19] platform/x86: lenovo-yogabook: Group WMI specific code together Hans de Goede
2023-04-29 18:15 ` [PATCH 16/19] platform/x86: lenovo-yogabook: Add YB_KBD_BL_MAX define Hans de Goede
2023-04-29 18:15 ` [PATCH 17/19] platform/x86: lenovo-yogabook: Add platform driver support Hans de Goede
2023-04-30 10:49 ` Andy Shevchenko
2023-04-30 15:39 ` Hans de Goede
2023-04-29 18:15 ` [PATCH 18/19] platform/x86: lenovo-yogabook: Add keyboard backlight control to platform driver Hans de Goede
2023-04-30 10:51 ` Andy Shevchenko [this message]
2023-04-29 18:15 ` [PATCH 19/19] platform/x86: lenovo-yogabook: Rename lenovo-yogabook-wmi to lenovo-yogabook Hans de Goede
2023-05-03 18:16 ` [PATCH 00/19] platform/x86: lenovo-yogabook: Modify to also work on Android version Yauhen Kharuzhy
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