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From: Evan McClain <aeroevan@gmail.com>
To: linux-leds@vger.kernel.org
Cc: Simon Que <sque@chromium.org>,
	Jacek Anaszewski <j.anaszewski@samsung.com>,
	Duncan Laurie <dlaurie@chromium.org>,
	Evan McClain <aeroevan@gmail.com>
Subject: [PATCH 2/3] leds: leds-chromeos-keyboard: Add ACPI _HID probing
Date: Mon, 22 Feb 2016 10:00:59 -0500	[thread overview]
Message-ID: <1456153260-3022-2-git-send-email-aeroevan@gmail.com> (raw)
In-Reply-To: <1456153260-3022-1-git-send-email-aeroevan@gmail.com>

From: Duncan Laurie <dlaurie@chromium.org>

Add an ACPI ID to probe the keyboard backlight driver without
needing a platform level driver to force it on.

Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Signed-off-by: Evan McClain <aeroevan@gmail.com>
---
 drivers/leds/leds-chromeos-keyboard.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/leds/leds-chromeos-keyboard.c b/drivers/leds/leds-chromeos-keyboard.c
index 32d70c0..6a6ff75 100644
--- a/drivers/leds/leds-chromeos-keyboard.c
+++ b/drivers/leds/leds-chromeos-keyboard.c
@@ -98,10 +98,17 @@ static int keyboard_led_remove(struct platform_device *pdev)
 	return 0;
 }
 
+static const struct acpi_device_id keyboard_led_id[] = {
+	{ "GOOG0002", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(acpi, keyboard_led_id);
+
 static struct platform_driver keyboard_led_driver = {
 	.driver		= {
 		.name	= "chromeos-keyboard-leds",
 		.owner	= THIS_MODULE,
+		.acpi_match_table = ACPI_PTR(keyboard_led_id),
 	},
 	.probe		= keyboard_led_probe,
 	.remove		= keyboard_led_remove,
-- 
2.5.0

  reply	other threads:[~2016-02-22 15:01 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-22 15:00 [PATCH 1/3] leds: Add Chrome OS keyboard LEDs driver Evan McClain
2016-02-22 15:00 ` Evan McClain [this message]
2016-02-22 15:01 ` [PATCH 3/3] leds: chromeos: Use devm_led_classdev_register Evan McClain
2016-02-22 15:46 ` [PATCH 1/3] leds: Add Chrome OS keyboard LEDs driver Jacek Anaszewski
2016-02-22 16:02   ` Evan McClain
2016-02-23  8:21     ` Jacek Anaszewski

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