1 files changed, 17 insertions, 0 deletions

diff --git a/drivers/pcmcia/topic.h b/drivers/pcmcia/topic.h
index be420bb29113..edccfa5bb400 100644
--- a/drivers/pcmcia/topic.h
+++ b/drivers/pcmcia/topic.h
@@ -101,6 +101,8 @@
 #define  TOPIC97_AVS_AUDIO_CONTROL      0x02
 #define  TOPIC97_AVS_VIDEO_CONTROL      0x01
 
+#define TOPIC_EXCA_IF_CONTROL           0x3e    /* 8 bit */
+#define TOPIC_EXCA_IFC_33V_ENA          0x01
 
 static void topic97_zoom_video(struct pcmcia_socket *sock, int onoff)
 {
@@ -137,4 +139,19 @@ static int topic97_override(struct yenta_socket *socket)
         return 0;
 }
 
+
+static int topic95_override(struct yenta_socket *socket)
+{
+        u8 fctrl;
+
+        /* enable 3.3V support for 16bit cards */
+        fctrl = exca_readb(socket, TOPIC_EXCA_IF_CONTROL);
+        exca_writeb(socket, TOPIC_EXCA_IF_CONTROL, fctrl | TOPIC_EXCA_IFC_33V_ENA);
+
+        /* tell yenta to use exca registers to power 16bit cards */
+        socket->flags |= YENTA_16BIT_POWER_EXCA | YENTA_16BIT_POWER_DF;
+
+        return 0;
+}
+
 #endif /* _LINUX_TOPIC_H */