From: Malcolm Priestley <tvboxspy@xxxxxxxxx>
On some devices the vendor has not set EEPROM_2ND_DEMOD_ADDR.
Checks tmp is not zero after call to get EEPROM_2ND_DEMOD_ADDR and sets the
default slave address of 0x3a on 0x9135 devices.
Signed-off-by: Malcolm Priestley <tvboxspy@xxxxxxxxx>
Signed-off-by: Antti Palosaari <crope@xxxxxx>
---
drivers/media/usb/dvb-usb-v2/af9035.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c
index 3825c2f..4f682ad 100644
--- a/drivers/media/usb/dvb-usb-v2/af9035.c
+++ b/drivers/media/usb/dvb-usb-v2/af9035.c
@@ -576,6 +576,10 @@ static int af9035_download_firmware(struct dvb_usb_device *d,
goto err;
if (state->chip_type == 0x9135) {
+ if (!tmp)
+ /* default 0x9135 slave I2C address */
+ tmp = 0x3a;
+
ret = af9035_wr_reg(d, 0x004bfb, tmp);
if (ret < 0)
goto err;
@@ -684,6 +688,10 @@ 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;
+
state->af9033_config[1].i2c_addr = tmp;
dev_dbg(&d->udev->dev, "%s: 2nd demod I2C addr=%02x\n",
__func__, tmp);
--
1.8.5.3
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