@@ -813,42 +813,51 @@ EXPORT_SYMBOL(dib3000mc_set_config);
int dib3000mc_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 default_addr, struct dib3000mc_config cfg[])
{
- struct dib3000mc_state st = { .i2c_adap = i2c };
+ struct dib3000mc_state *dmcst;
int k;
u8 new_addr;
static u8 DIB3000MC_I2C_ADDRESS[] = {20,22,24,26};
+ dmcst = kzalloc(sizeof(struct dib3000mc_state), GFP_KERNEL);
+ if (dmcst == NULL)
+ return -ENODEV;
+
+ dmcst->i2c_adap = i2c;
+
for (k = no_of_demods-1; k >= 0; k--) {
- st.cfg = &cfg[k];
+ dmcst->cfg = &cfg[k];
/* designated i2c address */
new_addr = DIB3000MC_I2C_ADDRESS[k];
- st.i2c_addr = new_addr;
- if (dib3000mc_identify(&st) != 0) {
- st.i2c_addr = default_addr;
- if (dib3000mc_identify(&st) != 0) {
+ dmcst->i2c_addr = new_addr;
+ if (dib3000mc_identify(dmcst) != 0) {
+ dmcst->i2c_addr = default_addr;
+ if (dib3000mc_identify(dmcst) != 0) {
dprintk("-E- DiB3000P/MC #%d: not identified\n", k);
+ kfree(dmcst);
return -ENODEV;
}
}
- dib3000mc_set_output_mode(&st, OUTMODE_MPEG2_PAR_CONT_CLK);
+ dib3000mc_set_output_mode(dmcst, OUTMODE_MPEG2_PAR_CONT_CLK);
// set new i2c address and force divstr (Bit 1) to value 0 (Bit 0)
- dib3000mc_write_word(&st, 1024, (new_addr << 3) | 0x1);
- st.i2c_addr = new_addr;
+ dib3000mc_write_word(dmcst, 1024, (new_addr << 3) | 0x1);
+ dmcst->i2c_addr = new_addr;
}
for (k = 0; k < no_of_demods; k++) {
- st.cfg = &cfg[k];
- st.i2c_addr = DIB3000MC_I2C_ADDRESS[k];
+ dmcst->cfg = &cfg[k];
+ dmcst->i2c_addr = DIB3000MC_I2C_ADDRESS[k];
- dib3000mc_write_word(&st, 1024, st.i2c_addr << 3);
+ dib3000mc_write_word(dmcst, 1024, dmcst->i2c_addr << 3);
/* turn off data output */
- dib3000mc_set_output_mode(&st, OUTMODE_HIGH_Z);
+ dib3000mc_set_output_mode(dmcst, OUTMODE_HIGH_Z);
}
+
+ kfree(dmcst);
return 0;
}
EXPORT_SYMBOL(dib3000mc_i2c_enumeration);