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[media] tda10071: make sure both tuner and demod i2c addresses are specified

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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>
This commit is contained in:
Michael Krufky
2012-12-16 19:37:11 -03:00
committed by Mauro Carvalho Chehab
parent bb9e31f392
commit 41f55d5755
4 changed files with 20 additions and 7 deletions
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18
drivers/media/dvb-frontends/tda10071.c
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@@ -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 = &reg,
}, {
.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));