diff options
Diffstat (limited to 'drivers/media/pci/ngene/ngene-cards.c')
| -rw-r--r-- | drivers/media/pci/ngene/ngene-cards.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/media/pci/ngene/ngene-cards.c b/drivers/media/pci/ngene/ngene-cards.c index dff55c7c9f86..d603d0af703e 100644 --- a/drivers/media/pci/ngene/ngene-cards.c +++ b/drivers/media/pci/ngene/ngene-cards.c @@ -505,6 +505,25 @@ static int port_has_stv0367(struct i2c_adapter *i2c) return 1; } +int ngene_port_has_cxd2099(struct i2c_adapter *i2c, u8 *type) +{ + u8 val; + u8 probe[4] = { 0xe0, 0x00, 0x00, 0x00 }, data[4]; + struct i2c_msg msgs[2] = {{ .addr = 0x40, .flags = 0, + .buf = probe, .len = 4 }, + { .addr = 0x40, .flags = I2C_M_RD, + .buf = data, .len = 4 } }; + val = i2c_transfer(i2c, msgs, 2); + if (val != 2) + return 0; + + if (data[0] == 0x02 && data[1] == 0x2b && data[3] == 0x43) + *type = 2; + else + *type = 1; + return 1; +} + static int demod_attach_drxk(struct ngene_channel *chan, struct i2c_adapter *i2c) { |