V4L/DVB (3089): Adding support for the Hauppauge HVR1100 and HVR1100-LP products.

- Add support for the Hauppauge HVR1100 and HVR1100-LP products.
- Add i2c_gate_ctrl callback function to dvb_frontend_ops struct.

Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>

1 files changed, 14 insertions, 1 deletions

diff --git a/drivers/media/video/cx88/cx88-i2c.c b/drivers/media/video/cx88/cx88-i2c.c
index 4a8fb161b16a..7363dd6e66e2 100644
--- a/drivers/media/video/cx88/cx88-i2c.c
+++ b/drivers/media/video/cx88/cx88-i2c.c
@@ -135,7 +135,20 @@ void cx88_call_i2c_clients(struct cx88_core *core, unsigned int cmd, void *arg)
 {
         if (0 != core->i2c_rc)
                 return;
-        i2c_clients_command(&core->i2c_adap, cmd, arg);
+
+        if (core->dvbdev == NULL) {
+                i2c_clients_command(&core->i2c_adap, cmd, arg);
+        } else {
+
+                if (core->dvbdev->dvb.frontend->ops->i2c_gate_ctrl)
+                        core->dvbdev->dvb.frontend->ops->i2c_gate_ctrl(core->dvbdev->dvb.frontend, 1);
+
+                i2c_clients_command(&core->i2c_adap, cmd, arg);
+
+                if (core->dvbdev->dvb.frontend->ops->i2c_gate_ctrl)
+                        core->dvbdev->dvb.frontend->ops->i2c_gate_ctrl(core->dvbdev->dvb.frontend, 0);
+        }
+
 }
 
 static struct i2c_algo_bit_data cx8800_i2c_algo_template = {