androidcomputer: adjust vga display ouput

[firefly-linux-kernel-4.4.55.git] / drivers / misc / scaler / scaler-sysfs.c

diff --git a/drivers/misc/scaler/scaler-sysfs.c b/drivers/misc/scaler/scaler-sysfs.c
index a84701fe5e70fe709806e606722c5c5ba04c2b38..79ce5de63cfb0140e8372033f41df261e74d0e39 100644 (file)
--- a/drivers/misc/scaler/scaler-sysfs.c
+++ b/drivers/misc/scaler/scaler-sysfs.c
@@ -60,13 +60,21 @@ static ssize_t scaler_oport_store(struct device *dev,
 {
        return 0;
 }
-
 static DEVICE_ATTR(oports, 0664, scaler_oport_show, NULL);
 
+extern void scaler_test_read_vga_edid(void);
+static ssize_t scaler_edid_show(struct device *dev,
+                                    struct device_attribute *attr, char *buf)
+{
+       scaler_test_read_vga_edid();
+       return 0;
+}
+static DEVICE_ATTR(edid, 0664, scaler_edid_show, NULL);
 
 static struct attribute *scaler_attributes[] = {
        &dev_attr_iports.attr,
        &dev_attr_cur_iport.attr,
+       &dev_attr_edid.attr,
        &dev_attr_oports.attr,
        NULL
 };