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path: root/drivers/media/video/cx88/cx88-i2c.c
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Diffstat (limited to 'drivers/media/video/cx88/cx88-i2c.c')
-rw-r--r--drivers/media/video/cx88/cx88-i2c.c33
1 files changed, 28 insertions, 5 deletions
diff --git a/drivers/media/video/cx88/cx88-i2c.c b/drivers/media/video/cx88/cx88-i2c.c
index d7406a994f09..01de23007095 100644
--- a/drivers/media/video/cx88/cx88-i2c.c
+++ b/drivers/media/video/cx88/cx88-i2c.c
@@ -116,18 +116,25 @@ static int detach_inform(struct i2c_client *client)
void cx88_call_i2c_clients(struct cx88_core *core, unsigned int cmd, void *arg)
{
+ struct videobuf_dvb_frontends *f = &core->dvbdev->frontends;
+ struct videobuf_dvb_frontend *fe = NULL;
if (0 != core->i2c_rc)
return;
#if defined(CONFIG_VIDEO_CX88_DVB) || defined(CONFIG_VIDEO_CX88_DVB_MODULE)
- if ( (core->dvbdev) && (core->dvbdev->dvb.frontend) ) {
- if (core->dvbdev->dvb.frontend->ops.i2c_gate_ctrl)
- core->dvbdev->dvb.frontend->ops.i2c_gate_ctrl(core->dvbdev->dvb.frontend, 1);
+ if (core->dvbdev && f) {
+ if(f->gate <= 1) /* undefined or fe0 */
+ fe = videobuf_dvb_get_frontend(f, 1);
+ else
+ fe = videobuf_dvb_get_frontend(f, f->gate);
+
+ if (fe && fe->dvb.frontend && fe->dvb.frontend->ops.i2c_gate_ctrl)
+ fe->dvb.frontend->ops.i2c_gate_ctrl(fe->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);
+ if (fe && fe->dvb.frontend && fe->dvb.frontend->ops.i2c_gate_ctrl)
+ fe->dvb.frontend->ops.i2c_gate_ctrl(fe->dvb.frontend, 0);
} else
#endif
i2c_clients_command(&core->i2c_adap, cmd, arg);
@@ -201,7 +208,23 @@ int cx88_i2c_init(struct cx88_core *core, struct pci_dev *pci)
core->i2c_rc = i2c_bit_add_bus(&core->i2c_adap);
if (0 == core->i2c_rc) {
+ static u8 tuner_data[] =
+ { 0x0b, 0xdc, 0x86, 0x52 };
+ static struct i2c_msg tuner_msg =
+ { .flags = 0, .addr = 0xc2 >> 1, .buf = tuner_data, .len = 4 };
+
dprintk(1, "i2c register ok\n");
+ switch( core->boardnr ) {
+ case CX88_BOARD_HAUPPAUGE_HVR1300:
+ case CX88_BOARD_HAUPPAUGE_HVR3000:
+ case CX88_BOARD_HAUPPAUGE_HVR4000:
+ printk("%s: i2c init: enabling analog demod on HVR1300/3000/4000 tuner\n",
+ core->name);
+ i2c_transfer(core->i2c_client.adapter, &tuner_msg, 1);
+ break;
+ default:
+ break;
+ }
if (i2c_scan)
do_i2c_scan(core->name,&core->i2c_client);
} else