diff options
| author | Antti Palosaari <crope@iki.fi> | 2016-11-07 07:01:03 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-01-31 15:51:09 +0300 |
| commit | a71e479c132a084d49246908808ba96c33e59226 (patch) | |
| tree | 004f830a191274b759a17b8a5a316fba282e9171 /drivers/media/usb | |
| parent | 8efb34b280401acdaad19b6f1920af09d2628334 (diff) | |
| download | linux-a71e479c132a084d49246908808ba96c33e59226.tar.xz | |
[media] af9035: correct demod i2c addresses
Chip uses so called 8-bit i2c addresses, but on bus there is of
course correct 7-bit addresses with rw bit as lsb - verified
with oscilloscope.
Lets still use correct addresses in driver.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/usb')
| -rw-r--r-- | drivers/media/usb/dvb-usb-v2/af9035.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c index cb8204387d64..4df9486e19b9 100644 --- a/drivers/media/usb/dvb-usb-v2/af9035.c +++ b/drivers/media/usb/dvb-usb-v2/af9035.c @@ -772,9 +772,9 @@ static int af9035_download_firmware(struct dvb_usb_device *d, /* tell the slave I2C address */ tmp = state->eeprom[EEPROM_2ND_DEMOD_ADDR]; - /* use default I2C address if eeprom has no address set */ + /* Use default I2C address if eeprom has no address set */ if (!tmp) - tmp = 0x3a; + tmp = 0x1d << 1; /* 8-bit format used by chip */ if ((state->chip_type == 0x9135) || (state->chip_type == 0x9306)) { @@ -837,9 +837,9 @@ static int af9035_read_config(struct dvb_usb_device *d) u8 tmp; u16 tmp16; - /* demod I2C "address" */ - state->af9033_i2c_addr[0] = 0x38; - state->af9033_i2c_addr[1] = 0x3a; + /* Demod I2C address */ + state->af9033_i2c_addr[0] = 0x1c; + state->af9033_i2c_addr[1] = 0x1d; state->af9033_config[0].adc_multiplier = AF9033_ADC_MULTIPLIER_2X; state->af9033_config[1].adc_multiplier = AF9033_ADC_MULTIPLIER_2X; state->af9033_config[0].ts_mode = AF9033_TS_MODE_USB; @@ -878,12 +878,13 @@ static int af9035_read_config(struct dvb_usb_device *d) state->ir_type = state->eeprom[EEPROM_IR_TYPE]; if (state->dual_mode) { - /* read 2nd demodulator I2C address */ + /* Read 2nd demodulator I2C address. 8-bit format on eeprom */ tmp = state->eeprom[EEPROM_2ND_DEMOD_ADDR]; if (tmp) - state->af9033_i2c_addr[1] = tmp; + state->af9033_i2c_addr[1] = tmp >> 1; - dev_dbg(&intf->dev, "2nd demod I2C addr=%02x\n", tmp); + dev_dbg(&intf->dev, "2nd demod I2C addr=%02x\n", + state->af9033_i2c_addr[1]); } for (i = 0; i < state->dual_mode + 1; i++) { |