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platform/chrome: cros_kbd_led_backlight: support OF match

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For letting device tree based machines to use the driver, support OF match.

Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Matthias Kaehlcke <mka@chromium.org>
Link: https://lore.kernel.org/r/20220523090822.3035189-5-tzungbi@kernel.org
This commit is contained in:
Tzung-Bi Shih 2022-05-23 17:08:21 +08:00
parent 20f370efdd
commit fd1e8054ff
1 changed files with 14 additions and 1 deletions
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15
drivers/platform/chrome/cros_kbd_led_backlight.c
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@ -10,7 +10,9 @@
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/leds.h> #include <linux/leds.h>
#include <linux/module.h> #include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/property.h>
#include <linux/slab.h> #include <linux/slab.h>
/** /**
@ -116,7 +118,7 @@ static int keyboard_led_probe(struct platform_device *pdev)
const struct keyboard_led_drvdata *drvdata; const struct keyboard_led_drvdata *drvdata;
int error; int error;
drvdata = acpi_device_get_match_data(&pdev->dev); drvdata = device_get_match_data(&pdev->dev);
if (!drvdata) if (!drvdata)
return -EINVAL; return -EINVAL;
@ -152,10 +154,21 @@ static const struct acpi_device_id keyboard_led_acpi_match[] = {
MODULE_DEVICE_TABLE(acpi, keyboard_led_acpi_match); MODULE_DEVICE_TABLE(acpi, keyboard_led_acpi_match);
#endif #endif
#ifdef CONFIG_OF
static const struct of_device_id keyboard_led_of_match[] = {
{
.compatible = "google,cros-kbd-led-backlight",
},
{}
};
MODULE_DEVICE_TABLE(of, keyboard_led_of_match);
#endif
static struct platform_driver keyboard_led_driver = { static struct platform_driver keyboard_led_driver = {
.driver = { .driver = {
.name = "chromeos-keyboard-leds", .name = "chromeos-keyboard-leds",
.acpi_match_table = ACPI_PTR(keyboard_led_acpi_match), .acpi_match_table = ACPI_PTR(keyboard_led_acpi_match),
.of_match_table = of_match_ptr(keyboard_led_of_match),
}, },
.probe = keyboard_led_probe, .probe = keyboard_led_probe,
}; };