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authorDave Airlie <airlied@linux.ie>2007-01-21 20:23:13 +1100
committerDave Airlie <airlied@linux.ie>2007-01-23 16:10:53 +1100
commiteffe579e691b044e3ce59b41b5c0eaaac4368dda (patch)
tree9faa434418796c718f5c8e54c7de31764082c4cb /src/ch7xxx
parentc68dae2705d6e5b05dba7d40b6da112b98b926b4 (diff)
ch7xxx: fix output detection as per datasheet, have no DVI to test this.
Diffstat (limited to 'src/ch7xxx')
-rw-r--r--src/ch7xxx/ch7xxx.c8
-rw-r--r--src/ch7xxx/ch7xxx_reg.h4
2 files changed, 10 insertions, 2 deletions
diff --git a/src/ch7xxx/ch7xxx.c b/src/ch7xxx/ch7xxx.c
index 5bfb7c5b..9e2a0055 100644
--- a/src/ch7xxx/ch7xxx.c
+++ b/src/ch7xxx/ch7xxx.c
@@ -182,7 +182,13 @@ out:
static xf86OutputStatus
ch7xxx_detect(I2CDevPtr d)
{
- return XF86OutputStatusUnknown;
+ struct ch7xxx_priv *dev_priv = d->DriverPrivate.ptr;
+ CARD8 cdet;
+ ch7xxx_read(dev_priv, CH7xxx_CONNECTION_DETECT, &cdet);
+
+ if (cdet & CH7xxx_CDET_DVI)
+ return XF86OutputStatusConnected;
+ return XF86OutputStatusDisconnected;
}
static ModeStatus
diff --git a/src/ch7xxx/ch7xxx_reg.h b/src/ch7xxx/ch7xxx_reg.h
index c626e1fc..0ec84ea9 100644
--- a/src/ch7xxx/ch7xxx_reg.h
+++ b/src/ch7xxx/ch7xxx_reg.h
@@ -49,7 +49,9 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
#define CH7xxx_IDF_HSP (1<<3)
#define CH7xxx_IDF_VSP (1<<4)
-#define CH7301_CONNECTION_DETECT 0x20
+#define CH7xxx_CONNECTION_DETECT 0x20
+#define CH7xxx_CDET_DVI (1<<5)
+
#define CH7301_DAC_CNTL 0x21
#define CH7301_HOTPLUG 0x23
#define CH7xxx_TCTL 0x31