diff options
Diffstat (limited to 'drivers/media/tuners/si2157.c')
| -rw-r--r-- | drivers/media/tuners/si2157.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/media/tuners/si2157.c b/drivers/media/tuners/si2157.c index 243ac3816028..b07a681f3fbc 100644 --- a/drivers/media/tuners/si2157.c +++ b/drivers/media/tuners/si2157.c @@ -84,11 +84,22 @@ static int si2157_init(struct dvb_frontend *fe) struct si2157_cmd cmd; const struct firmware *fw; const char *fw_name; - unsigned int chip_id; + unsigned int uitmp, chip_id; dev_dbg(&client->dev, "\n"); - if (dev->fw_loaded) + /* Returned IF frequency is garbage when firmware is not running */ + memcpy(cmd.args, "\x15\x00\x06\x07", 4); + cmd.wlen = 4; + cmd.rlen = 4; + ret = si2157_cmd_execute(client, &cmd); + if (ret) + goto err; + + uitmp = cmd.args[2] << 0 | cmd.args[3] << 8; + dev_dbg(&client->dev, "if_frequency kHz=%u\n", uitmp); + + if (uitmp == dev->if_frequency / 1000) goto warm; /* power up */ @@ -203,9 +214,6 @@ skip_fw_download: dev_info(&client->dev, "firmware version: %c.%c.%d\n", cmd.args[6], cmd.args[7], cmd.args[8]); - - dev->fw_loaded = true; - warm: /* init statistics in order signal app which are supported */ c->strength.len = 1; @@ -422,7 +430,6 @@ static int si2157_probe(struct i2c_client *client, dev->fe = cfg->fe; dev->inversion = cfg->inversion; dev->if_port = cfg->if_port; - dev->fw_loaded = false; dev->chiptype = (u8)id->driver_data; dev->if_frequency = 5000000; /* default value of property 0x0706 */ mutex_init(&dev->i2c_mutex); |