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SubjectRe: [PATCH v2 4/5] platform/chrome: cros_kbd_led_backlight: support OF match
On Mon, Mar 14, 2022 at 05:08:34PM +0800, Tzung-Bi Shih wrote:

Nit: There should be some text here.

Otherwise

Reviewed-by: Guenter Roeck <linux@roeck-us.net>

Guenter

> Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
> ---
> Changes from v1:
> (https://patchwork.kernel.org/project/chrome-platform/patch/20220214053646.3088298-5-tzungbi@google.com/)
> - Update email address accordingly.
> - Use device_get_match_data() per review comment in v1.
>
> drivers/platform/chrome/cros_kbd_led_backlight.c | 15 ++++++++++++++-
> 1 file changed, 14 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/platform/chrome/cros_kbd_led_backlight.c b/drivers/platform/chrome/cros_kbd_led_backlight.c
> index e26d1d4cd801..1f2750c830d4 100644
> --- a/drivers/platform/chrome/cros_kbd_led_backlight.c
> +++ b/drivers/platform/chrome/cros_kbd_led_backlight.c
> @@ -10,7 +10,9 @@
> #include <linux/kernel.h>
> #include <linux/leds.h>
> #include <linux/module.h>
> +#include <linux/of.h>
> #include <linux/platform_device.h>
> +#include <linux/property.h>
> #include <linux/slab.h>
>
> /**
> @@ -127,7 +129,7 @@ static int keyboard_led_probe(struct platform_device *pdev)
> const struct keyboard_led_drvdata *drvdata;
> int error;
>
> - drvdata = acpi_device_get_match_data(&pdev->dev);
> + drvdata = device_get_match_data(&pdev->dev);
> if (!drvdata)
> return -EINVAL;
>
> @@ -163,10 +165,21 @@ static const struct acpi_device_id keyboard_led_acpi_match[] = {
> MODULE_DEVICE_TABLE(acpi, keyboard_led_acpi_match);
> #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 = {
> .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,
> };

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