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 From: Andreas Kemnade <andreas@xxxxxxxxxxxx> Signed-off-by: Andreas Kemnade <andreas@xxxxxxxxxxxx> Signed-off-by: Jose Alberto Reguero <jose.alberto.reguero@xxxxxxxxx> diff -upr linux/drivers/media/usb/dvb-usb-v2/af9035.c linux.new/drivers/media/usb/dvb-usb-v2/af9035.c --- linux/drivers/media/usb/dvb-usb-v2/af9035.c 2018-09-12 07:40:12.000000000 +0200 +++ linux.new/drivers/media/usb/dvb-usb-v2/af9035.c 2019-02-20 16:45:17.467869437 +0100 @@ -1218,6 +1218,48 @@ static int it930x_frontend_attach(struct 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 dv 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; -- Enviado desde mi dispositivo Android con K-9 Mail. Por favor, disculpa mi brevedad.
