Subject: [PATCH] [acpi video] Add helper to return description of attached device

- Add video_dev_string()
- Call from video_add() to report the type of device

Signed-off-by: Patrick Mochel <mochel@linux.intel.com>

---

 drivers/acpi/drivers/video/dev-device.c |   28 ++++++++++++++++++++++++++++
 drivers/acpi/drivers/video/dev-driver.c |    4 ++--
 drivers/acpi/drivers/video/video.h      |    1 +
 3 files changed, 31 insertions(+), 2 deletions(-)

applies-to: f479e3b877961b1475c52d324ce719a587c67e19
d2b9b22719ec61e0a38fb8ff02dcb4700a707439
diff --git a/drivers/acpi/drivers/video/dev-device.c b/drivers/acpi/drivers/video/dev-device.c
index 4e47d72..05b47b2 100644
--- a/drivers/acpi/drivers/video/dev-device.c
+++ b/drivers/acpi/drivers/video/dev-device.c
@@ -155,3 +155,31 @@ int video_dev_init(struct acpi_video_dev
 		return ret;
 	return 0;
 }
+
+
+const char * video_dev_string(struct acpi_video_dev * vd)
+{
+	const char * str;
+
+	switch (vd->v_id & VIDEO_DEV_TYPE_MASK) {
+	case 0x0000:
+		str = "Other";
+		break;
+	case 0x0100:
+		str = "VGA";
+		break;
+	case 0x0200:
+		str = "TV/Analog";
+		break;
+	case 0x0300:
+		str = "External Digital";
+		break;
+	case 0x0400:
+		str = "Integrated LCD";
+		break;
+	default:
+		str = "Other";
+		break;
+	}
+	return str;
+}
diff --git a/drivers/acpi/drivers/video/dev-driver.c b/drivers/acpi/drivers/video/dev-driver.c
index efbd859..2061291 100644
--- a/drivers/acpi/drivers/video/dev-driver.c
+++ b/drivers/acpi/drivers/video/dev-driver.c
@@ -54,8 +54,8 @@ static int video_add(struct acpi_dev * a
 
 	dev_set_drvdata(&ad->dev, vd);
 
-	printk(KERN_INFO PREFIX "video device [%s]\n",
-	       acpi_dev_bid(ad));
+	printk(KERN_INFO PREFIX "video device [%s]: %s\n",
+	       acpi_dev_bid(ad), video_dev_string(vd));
 	return 0;
 }
 
diff --git a/drivers/acpi/drivers/video/video.h b/drivers/acpi/drivers/video/video.h
index 06ccd06..0e14668 100644
--- a/drivers/acpi/drivers/video/video.h
+++ b/drivers/acpi/drivers/video/video.h
@@ -49,6 +49,7 @@ struct acpi_video_dev {
 
 extern int video_dev_test(struct acpi_dev * ad);
 extern int video_dev_init(struct acpi_video_dev * vd);
+extern const char * video_dev_string(struct acpi_video_dev * vd);
 
 
 struct acpi_video_enum {
---
0.99.9.GIT