[PATCH 4/5] platform/chrome: cros_kbd_led_backlight: support OF match

From: Tzung-Bi Shih
Date: Mon Feb 14 2022 - 00:37:53 EST


Signed-off-by: Tzung-Bi Shih <tzungbi@xxxxxxxxxx>
---
.../platform/chrome/cros_kbd_led_backlight.c | 17 +++++++++++++++--
1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/drivers/platform/chrome/cros_kbd_led_backlight.c b/drivers/platform/chrome/cros_kbd_led_backlight.c
index 814f2b74c602..ba853e55d29a 100644
--- a/drivers/platform/chrome/cros_kbd_led_backlight.c
+++ b/drivers/platform/chrome/cros_kbd_led_backlight.c
@@ -10,6 +10,7 @@
#include <linux/kernel.h>
#include <linux/leds.h>
#include <linux/module.h>
+#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/slab.h>

@@ -128,8 +129,11 @@ static int keyboard_led_probe(struct platform_device *pdev)
int error;

drvdata = acpi_device_get_match_data(&pdev->dev);
- if (!drvdata)
- return -EINVAL;
+ if (!drvdata) {
+ drvdata = of_device_get_match_data(&pdev->dev);
+ if (!drvdata)
+ return -EINVAL;
+ }

if (drvdata->init) {
error = drvdata->init(pdev);
@@ -161,10 +165,19 @@ static const struct acpi_device_id keyboard_led_acpi_match[] = {
};
MODULE_DEVICE_TABLE(acpi, keyboard_led_acpi_match);

+static const struct of_device_id keyboard_led_of_match[] = {
+ {
+ .compatible = "google,cros-kbd-led-backlight",
+ },
+ {}
+};
+MODULE_DEVICE_TABLE(of, keyboard_led_of_match);
+
static struct platform_driver keyboard_led_driver = {
.driver = {
.name = "chromeos-keyboard-leds",
.acpi_match_table = ACPI_PTR(keyboard_led_acpi_match),
+ .of_match_table = of_match_ptr(keyboard_led_of_match),
},
.probe = keyboard_led_probe,
};
--
2.35.1.265.g69c8d7142f-goog