From 950b0fee658063b441c7a2194e0a94234e57c1ea Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Wed, 12 Feb 2014 15:50:17 -0300 Subject: [PATCH] upstream: [media] af9035: use default i2c slave address for af9035 too Some device vendors has forgotten set correct slave demod I2C address to eeprom. Use default I2C address when eeprom has no address at all. Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/dvb-usb-v2/af9035.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c index 49e8360..1434d37 100644 --- a/drivers/media/usb/dvb-usb-v2/af9035.c +++ b/drivers/media/usb/dvb-usb-v2/af9035.c @@ -575,11 +575,11 @@ static int af9035_download_firmware(struct dvb_usb_device *d, if (ret < 0) goto err; - if (state->chip_type == 0x9135) { - if (!tmp) - /* default 0x9135 slave I2C address */ - tmp = 0x3a; + /* use default I2C address if eeprom has no address set */ + if (!tmp) + tmp = 0x3a; + if (state->chip_type == 0x9135) { ret = af9035_wr_reg(d, 0x004bfb, tmp); if (ret < 0) goto err; @@ -641,6 +641,7 @@ static int af9035_read_config(struct dvb_usb_device *d) /* demod I2C "address" */ state->af9033_config[0].i2c_addr = 0x38; + state->af9033_config[1].i2c_addr = 0x3a; 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; @@ -688,11 +689,9 @@ static int af9035_read_config(struct dvb_usb_device *d) if (ret < 0) goto err; - if (!tmp && state->chip_type == 0x9135) - /* default 0x9135 slave I2C address */ - tmp = 0x3a; + if (tmp) + state->af9033_config[1].i2c_addr = tmp; - state->af9033_config[1].i2c_addr = tmp; dev_dbg(&d->udev->dev, "%s: 2nd demod I2C addr=%02x\n", __func__, tmp); } -- 2.7.4