[media] af9035: add default 0x9135 slave I2C address

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@gmail.com>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c
index 3825c2f2f99e..4f682ad97bc2 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);