}
static int tda1004x_do_upload(struct tda1004x_state *state,
- unsigned char *mem, unsigned int len,
+ const unsigned char *mem, unsigned int len,
u8 dspCodeCounterReg, u8 dspCodeInReg)
{
u8 buf[65];
struct i2c_adapter* i2c)
{
struct tda1004x_state *state;
+ int 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;
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 < 0) {
+ printk(KERN_ERR "tda10045: chip is not answering. Giving up.\n");
+ kfree(state);
+ return NULL;
+ }
+
+ if (id != 0x25) {
+ printk(KERN_ERR "Invalid tda1004x ID = 0x%02x. Can't proceed\n", id);
kfree(state);
return NULL;
}
struct i2c_adapter* i2c)
{
struct tda1004x_state *state;
+ int 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;
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 < 0) {
+ printk(KERN_ERR "tda10046: chip is not answering. Giving up.\n");
+ kfree(state);
+ return NULL;
+ }
+ if (id != 0x46) {
+ printk(KERN_ERR "Invalid tda1004x ID = 0x%02x. Can't proceed\n", id);
kfree(state);
return NULL;
}