diff options
| author | Michael Krufky <mkrufky@linuxtv.org> | 2012-12-17 02:37:11 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-12-21 20:36:54 +0400 |
| commit | 41f55d57552b7d2236f94fccb5cdd07dbf2e8557 (patch) | |
| tree | 20dcabeb29e427d87a1446dbf9d940d9a13ddec6 | |
| parent | bb9e31f3928dd9b1ecb66689890d1f5f3d19227c (diff) | |
| download | linux-41f55d57552b7d2236f94fccb5cdd07dbf2e8557.tar.xz | |
[media] tda10071: make sure both tuner and demod i2c addresses are specified
display an error message if either tuner_i2c_addr or demod_i2c_addr
are not specified in the tda10071_config structure
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | drivers/media/dvb-frontends/tda10071.c | 18 | ||||
| -rw-r--r-- | drivers/media/dvb-frontends/tda10071.h | 4 | ||||
| -rw-r--r-- | drivers/media/pci/cx23885/cx23885-dvb.c | 2 | ||||
| -rw-r--r-- | drivers/media/usb/em28xx/em28xx-dvb.c | 3 |
4 files changed, 20 insertions, 7 deletions
diff --git a/drivers/media/dvb-frontends/tda10071.c b/drivers/media/dvb-frontends/tda10071.c index 710362916f83..02f9234a5400 100644 --- a/drivers/media/dvb-frontends/tda10071.c +++ b/drivers/media/dvb-frontends/tda10071.c @@ -30,7 +30,7 @@ static int tda10071_wr_regs(struct tda10071_priv *priv, u8 reg, u8 *val, u8 buf[len+1]; struct i2c_msg msg[1] = { { - .addr = priv->cfg.i2c_address, + .addr = priv->cfg.demod_i2c_addr, .flags = 0, .len = sizeof(buf), .buf = buf, @@ -59,12 +59,12 @@ static int tda10071_rd_regs(struct tda10071_priv *priv, u8 reg, u8 *val, u8 buf[len]; struct i2c_msg msg[2] = { { - .addr = priv->cfg.i2c_address, + .addr = priv->cfg.demod_i2c_addr, .flags = 0, .len = 1, .buf = ®, }, { - .addr = priv->cfg.i2c_address, + .addr = priv->cfg.demod_i2c_addr, .flags = I2C_M_RD, .len = sizeof(buf), .buf = buf, @@ -1202,6 +1202,18 @@ struct dvb_frontend *tda10071_attach(const struct tda10071_config *config, goto error; } + /* make sure demod i2c address is specified */ + if (!config->demod_i2c_addr) { + dev_dbg(&i2c->dev, "%s: invalid demod i2c address!\n", __func__); + goto error; + } + + /* make sure tuner i2c address is specified */ + if (!config->tuner_i2c_addr) { + dev_dbg(&i2c->dev, "%s: invalid tuner i2c address!\n", __func__); + goto error; + } + /* setup the priv */ priv->i2c = i2c; memcpy(&priv->cfg, config, sizeof(struct tda10071_config)); diff --git a/drivers/media/dvb-frontends/tda10071.h b/drivers/media/dvb-frontends/tda10071.h index a20d5c41e048..bff1c38df802 100644 --- a/drivers/media/dvb-frontends/tda10071.h +++ b/drivers/media/dvb-frontends/tda10071.h @@ -28,10 +28,10 @@ struct tda10071_config { * Default: none, must set * Values: 0x55, */ - u8 i2c_address; + u8 demod_i2c_addr; /* Tuner I2C address. - * Default: 0x14 + * Default: none, must set * Values: 0x14, 0x54, ... */ u8 tuner_i2c_addr; diff --git a/drivers/media/pci/cx23885/cx23885-dvb.c b/drivers/media/pci/cx23885/cx23885-dvb.c index cf84c534f005..a1aae5633739 100644 --- a/drivers/media/pci/cx23885/cx23885-dvb.c +++ b/drivers/media/pci/cx23885/cx23885-dvb.c @@ -662,7 +662,7 @@ static struct mt2063_config terratec_mt2063_config[] = { }; static const struct tda10071_config hauppauge_tda10071_config = { - .i2c_address = 0x05, + .demod_i2c_addr = 0x05, .tuner_i2c_addr = 0x54, .i2c_wr_max = 64, .ts_mode = TDA10071_TS_SERIAL, diff --git a/drivers/media/usb/em28xx/em28xx-dvb.c b/drivers/media/usb/em28xx/em28xx-dvb.c index 63f2e7070c00..e8008810b60c 100644 --- a/drivers/media/usb/em28xx/em28xx-dvb.c +++ b/drivers/media/usb/em28xx/em28xx-dvb.c @@ -714,7 +714,8 @@ static struct tda18271_config em28xx_cxd2820r_tda18271_config = { }; static const struct tda10071_config em28xx_tda10071_config = { - .i2c_address = 0x55, /* (0xaa >> 1) */ + .demod_i2c_addr = 0x55, /* (0xaa >> 1) */ + .tuner_i2c_addr = 0x14, .i2c_wr_max = 64, .ts_mode = TDA10071_TS_SERIAL, .spec_inv = 0, |