From: Hans de Goede <hdegoede@redhat.com>
To: "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>
Cc: Hans de Goede <hdegoede@redhat.com>,
Yauhen Kharuzhy <jekhor@gmail.com>,
platform-driver-x86@vger.kernel.org, linux-pwm@vger.kernel.org
Subject: [PATCH 01/19] pwm: Export pwm_add_table() / pwm_remove_table()
Date: Sat, 29 Apr 2023 20:15:33 +0200 [thread overview]
Message-ID: <20230429181551.98201-2-hdegoede@redhat.com> (raw)
In-Reply-To: <20230429181551.98201-1-hdegoede@redhat.com>
Lenovo Yoga Book 1 (yb1-x90f/l) models have a backlit keyboard where
the brightness is directly controlled by one of the Intel Cherry Trail
SoCs PWM controllers.
To control the backlight the drivers/platform/lenovo-yogabook.c needs
to add a pwm_lookup table entry so that it can call pwm_get() to get
a reference to the PWM controller.
The lenovo-yogabook driver can be build as a module, export
pwm_add_table() and pwm_remove_table() so that the lenovo-yogabook
driver can use them when build as a module.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
---
drivers/pwm/core.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index 474725714a05..c66daac6154f 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -881,6 +881,7 @@ void pwm_add_table(struct pwm_lookup *table, size_t num)
mutex_unlock(&pwm_lookup_lock);
}
+EXPORT_SYMBOL_GPL(pwm_add_table);
/**
* pwm_remove_table() - unregister PWM device consumers
@@ -898,6 +899,7 @@ void pwm_remove_table(struct pwm_lookup *table, size_t num)
mutex_unlock(&pwm_lookup_lock);
}
+EXPORT_SYMBOL_GPL(pwm_remove_table);
/**
* pwm_get() - look up and request a PWM device
--
2.39.2
next prev parent reply other threads:[~2023-04-29 18:17 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 ` Hans de Goede [this message]
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
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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