[media] af9035: implement TUA9001 GPIOs correctly
authorAntti Palosaari <crope@iki.fi>
Mon, 17 Sep 2012 01:26:56 +0000 (22:26 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Thu, 27 Sep 2012 07:26:59 +0000 (04:26 -0300)
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/usb/dvb-usb-v2/af9035.c

index 7d599a999619d58109d90a310368a65242640b1e..89a3bec5cb9252dbc50ddd2fb9bcb2dc2406d563 100644 (file)
@@ -583,6 +583,52 @@ err:
        return ret;
 }
 
+static int af9035_tua9001_tuner_callback(struct dvb_usb_device *d,
+               int cmd, int arg)
+{
+       int ret;
+       u8 val;
+
+       dev_dbg(&d->udev->dev, "%s: cmd=%d arg=%d\n", __func__, cmd, arg);
+
+       /*
+        * CEN     always enabled by hardware wiring
+        * RESETN  GPIOT3
+        * RXEN    GPIOT2
+        */
+
+       switch (cmd) {
+       case TUA9001_CMD_RESETN:
+               if (arg)
+                       val = 0x00;
+               else
+                       val = 0x01;
+
+               ret = af9035_wr_reg_mask(d, 0x00d8e7, val, 0x01);
+               if (ret < 0)
+                       goto err;
+               break;
+       case TUA9001_CMD_RXEN:
+               if (arg)
+                       val = 0x01;
+               else
+                       val = 0x00;
+
+               ret = af9035_wr_reg_mask(d, 0x00d8eb, val, 0x01);
+               if (ret < 0)
+                       goto err;
+               break;
+       }
+
+       return 0;
+
+err:
+       dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret);
+
+       return ret;
+}
+
+
 static int af9035_fc0011_tuner_callback(struct dvb_usb_device *d,
                int cmd, int arg)
 {
@@ -655,6 +701,8 @@ static int af9035_tuner_callback(struct dvb_usb_device *d, int cmd, int arg)
        switch (state->af9033_config[0].tuner) {
        case AF9033_TUNER_FC0011:
                return af9035_fc0011_tuner_callback(d, cmd, arg);
+       case AF9033_TUNER_TUA9001:
+               return af9035_tua9001_tuner_callback(d, cmd, arg);
        default:
                break;
        }
@@ -779,23 +827,6 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap)
                if (ret < 0)
                        goto err;
 
-               /* reset tuner */
-               ret = af9035_wr_reg_mask(d, 0x00d8e7, 0x00, 0x01);
-               if (ret < 0)
-                       goto err;
-
-               usleep_range(2000, 20000);
-
-               ret = af9035_wr_reg_mask(d, 0x00d8e7, 0x01, 0x01);
-               if (ret < 0)
-                       goto err;
-
-               /* activate tuner RX */
-               /* TODO: use callback for TUA9001 RXEN */
-               ret = af9035_wr_reg_mask(d, 0x00d8eb, 0x01, 0x01);
-               if (ret < 0)
-                       goto err;
-
                /* attach tuner */
                fe = dvb_attach(tua9001_attach, adap->fe[0],
                                &d->i2c_adap, &af9035_tua9001_config);