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V4L/DVB (8028): Improve error messages for tda1004x attach

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A fresh copy of v.29 firmware, using get_firmware, is leading to an invalid
firmware:

DVB: registering new adapter (saa7133[0])
DVB: registering frontend 0 (Philips TDA10046H DVB-T)...
tda1004x: setting up plls for 48MHz sampling clock
tda1004x: found firmware revision ff -- invalid
tda1004x: trying to boot from eeprom
tda1004x: found firmware revision ff -- invalid
tda1004x: waiting for firmware upload...
tda1004x: Error during firmware upload
tda1004x: found firmware revision ff -- invalid
tda1004x: firmware upload failed

Sometimes, loading/unloading this firmware makes tda1004x to return an invalid
ID. However, there were no printk messages to help to identify what were the
cause for the error.

With this patch, it will now print:

Invalid tda1004x ID = 0xff. Can't proceed
saa7133[0]/dvb: failed to attach tda10046
saa7133[0]/dvb: frontend initialization failed

Tested with LifeView FlyDVB-T Hybrid Cardbus/MSI TV @nywhere A/D NB

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mauro Carvalho Chehab 2008-06-14 10:44:04 -03:00
parent b25fed115a
commit bc36ec7464
2 changed files with 16 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
drivers/media/dvb/frontends/tda1004x.c
View File

@ -1248,11 +1248,14 @@ struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
struct i2c_adapter* i2c)
{
struct tda1004x_state *state;
u8 id;
/* allocate memory for the internal state */
state = kmalloc(sizeof(struct tda1004x_state), GFP_KERNEL);
if (!state)
if (!state) {
printk(KERN_ERR "Can't alocate memory for tda10045 state\n");
return NULL;
}
/* setup the state */
state->config = config;
@ -1260,7 +1263,9 @@ struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
state->demod_type = TDA1004X_DEMOD_TDA10045;
/* check if the demod is there */
if (tda1004x_read_byte(state, TDA1004X_CHIPID) != 0x25) {
id = tda1004x_read_byte(state, TDA1004X_CHIPID);
if (id != 0x25) {
printk(KERN_ERR "Invalid tda1004x ID = 0x%02x. Can't proceed\n", id);
kfree(state);
return NULL;
}
@ -1307,11 +1312,14 @@ struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
struct i2c_adapter* i2c)
{
struct tda1004x_state *state;
u8 id;
/* allocate memory for the internal state */
state = kmalloc(sizeof(struct tda1004x_state), GFP_KERNEL);
if (!state)
if (!state) {
printk(KERN_ERR "Can't alocate memory for tda10046 state\n");
return NULL;
}
/* setup the state */
state->config = config;
@ -1319,7 +1327,9 @@ struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
state->demod_type = TDA1004X_DEMOD_TDA10046;
/* check if the demod is there */
if (tda1004x_read_byte(state, TDA1004X_CHIPID) != 0x46) {
id = tda1004x_read_byte(state, TDA1004X_CHIPID);
if (id != 0x46) {
printk(KERN_ERR "Invalid tda1004x ID = 0x%02x. Can't proceed\n", id);
kfree(state);
return NULL;
}

3
drivers/media/video/saa7134/saa7134-dvb.c
View File

@ -1091,7 +1091,8 @@ static int dvb_init(struct saa7134_dev *dev)
ads_tech_duo_config.tuner_address);
goto dettach_frontend;
}
}
} else
wprintk("failed to attach tda10046\n");
break;
case SAA7134_BOARD_TEVION_DVBT_220RF:
if (configure_tda827x_fe(dev, &tevion_dvbt220rf_config,