diff options
| author | Andreas Kemnade <andreas@kemnade.info> | 2019-03-08 00:11:58 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-03-19 21:48:39 +0100 |
| commit | 1cb11bfaa1e0a5933fb56bdaa60beb18721a2e2d (patch) | |
| tree | 693e118933b9d011cc0d142ed2ccba240241af6b /drivers/media/usb/dvb-usb-v2/af9035.c | |
| parent | media: si2165: fix a missing check of return value (diff) | |
| download | linux-1cb11bfaa1e0a5933fb56bdaa60beb18721a2e2d.tar.xz linux-1cb11bfaa1e0a5933fb56bdaa60beb18721a2e2d.zip | |
media: dvb: init i2c already in it930x_frontend_attach
i2c bus is already needed when the frontend is probed, so init it already
in it930x_frontend_attach. That prevents errors like:
si2168: probe of 6-0067 failed with error -5
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Signed-off-by: Jose Alberto Reguero <jose.alberto.reguero@gmail.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/af9035.c')
| -rw-r--r-- | drivers/media/usb/dvb-usb-v2/af9035.c | 84 |
1 files changed, 42 insertions, 42 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c index 80d3bd3a0f24..e8ec53249db0 100644 --- a/drivers/media/usb/dvb-usb-v2/af9035.c +++ b/drivers/media/usb/dvb-usb-v2/af9035.c @@ -1218,6 +1218,48 @@ static int it930x_frontend_attach(struct dvb_usb_adapter *adap) dev_dbg(&intf->dev, "adap->id=%d\n", adap->id); + /* I2C master bus 2 clock speed 300k */ + ret = af9035_wr_reg(d, 0x00f6a7, 0x07); + if (ret < 0) + goto err; + + /* I2C master bus 1,3 clock speed 300k */ + ret = af9035_wr_reg(d, 0x00f103, 0x07); + if (ret < 0) + goto err; + + /* set gpio11 low */ + ret = af9035_wr_reg_mask(d, 0xd8d4, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8d5, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8d3, 0x01, 0x01); + if (ret < 0) + goto err; + + /* Tuner enable using gpiot2_en, gpiot2_on and gpiot2_o (reset) */ + ret = af9035_wr_reg_mask(d, 0xd8b8, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8b9, 0x01, 0x01); + if (ret < 0) + goto err; + + ret = af9035_wr_reg_mask(d, 0xd8b7, 0x00, 0x01); + if (ret < 0) + goto err; + + msleep(200); + + ret = af9035_wr_reg_mask(d, 0xd8b7, 0x01, 0x01); + if (ret < 0) + goto err; + memset(&si2168_config, 0, sizeof(si2168_config)); si2168_config.i2c_adapter = &adapter; si2168_config.fe = &adap->fe[0]; @@ -1575,48 +1617,6 @@ static int it930x_tuner_attach(struct dvb_usb_adapter *adap) dev_dbg(&intf->dev, "adap->id=%d\n", adap->id); - /* I2C master bus 2 clock speed 300k */ - ret = af9035_wr_reg(d, 0x00f6a7, 0x07); - if (ret < 0) - goto err; - - /* I2C master bus 1,3 clock speed 300k */ - ret = af9035_wr_reg(d, 0x00f103, 0x07); - if (ret < 0) - goto err; - - /* set gpio11 low */ - ret = af9035_wr_reg_mask(d, 0xd8d4, 0x01, 0x01); - if (ret < 0) - goto err; - - ret = af9035_wr_reg_mask(d, 0xd8d5, 0x01, 0x01); - if (ret < 0) - goto err; - - ret = af9035_wr_reg_mask(d, 0xd8d3, 0x01, 0x01); - if (ret < 0) - goto err; - - /* Tuner enable using gpiot2_en, gpiot2_on and gpiot2_o (reset) */ - ret = af9035_wr_reg_mask(d, 0xd8b8, 0x01, 0x01); - if (ret < 0) - goto err; - - ret = af9035_wr_reg_mask(d, 0xd8b9, 0x01, 0x01); - if (ret < 0) - goto err; - - ret = af9035_wr_reg_mask(d, 0xd8b7, 0x00, 0x01); - if (ret < 0) - goto err; - - msleep(200); - - ret = af9035_wr_reg_mask(d, 0xd8b7, 0x01, 0x01); - if (ret < 0) - goto err; - memset(&si2157_config, 0, sizeof(si2157_config)); si2157_config.fe = adap->fe[0]; si2157_config.if_port = 1; |