[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>
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parent
bb9e31f392
commit
41f55d5755
4 changed files with 20 additions and 7 deletions
drivers/media
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@ -30,7 +30,7 @@ static int tda10071_wr_regs(struct tda10071_priv *priv, u8 reg, u8 *val,
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u8 buf[len+1];
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struct i2c_msg msg[1] = {
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{
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.addr = priv->cfg.i2c_address,
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.addr = priv->cfg.demod_i2c_addr,
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.flags = 0,
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.len = sizeof(buf),
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.buf = buf,
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@ -59,12 +59,12 @@ static int tda10071_rd_regs(struct tda10071_priv *priv, u8 reg, u8 *val,
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u8 buf[len];
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struct i2c_msg msg[2] = {
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{
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.addr = priv->cfg.i2c_address,
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.addr = priv->cfg.demod_i2c_addr,
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.flags = 0,
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.len = 1,
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.buf = ®,
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}, {
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.addr = priv->cfg.i2c_address,
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.addr = priv->cfg.demod_i2c_addr,
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.flags = I2C_M_RD,
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.len = sizeof(buf),
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.buf = buf,
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@ -1202,6 +1202,18 @@ struct dvb_frontend *tda10071_attach(const struct tda10071_config *config,
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goto error;
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}
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/* make sure demod i2c address is specified */
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if (!config->demod_i2c_addr) {
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dev_dbg(&i2c->dev, "%s: invalid demod i2c address!\n", __func__);
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goto error;
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}
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/* make sure tuner i2c address is specified */
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if (!config->tuner_i2c_addr) {
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dev_dbg(&i2c->dev, "%s: invalid tuner i2c address!\n", __func__);
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goto error;
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}
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/* setup the priv */
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priv->i2c = i2c;
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memcpy(&priv->cfg, config, sizeof(struct tda10071_config));
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@ -28,10 +28,10 @@ struct tda10071_config {
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* Default: none, must set
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* Values: 0x55,
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*/
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u8 i2c_address;
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u8 demod_i2c_addr;
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/* Tuner I2C address.
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* Default: 0x14
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* Default: none, must set
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* Values: 0x14, 0x54, ...
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*/
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u8 tuner_i2c_addr;
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@ -662,7 +662,7 @@ static struct mt2063_config terratec_mt2063_config[] = {
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};
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static const struct tda10071_config hauppauge_tda10071_config = {
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.i2c_address = 0x05,
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.demod_i2c_addr = 0x05,
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.tuner_i2c_addr = 0x54,
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.i2c_wr_max = 64,
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.ts_mode = TDA10071_TS_SERIAL,
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@ -714,7 +714,8 @@ static struct tda18271_config em28xx_cxd2820r_tda18271_config = {
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};
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static const struct tda10071_config em28xx_tda10071_config = {
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.i2c_address = 0x55, /* (0xaa >> 1) */
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.demod_i2c_addr = 0x55, /* (0xaa >> 1) */
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.tuner_i2c_addr = 0x14,
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.i2c_wr_max = 64,
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.ts_mode = TDA10071_TS_SERIAL,
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.spec_inv = 0,
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