Correct return code of e4k_reg_write().

In contradiction with the documentation, e4k_reg_write() was
returning the value 2 upon success (the number of bytes written),
not zero as documented.
Patched to return zero upon success.

As a consequence, this corrects also the return value of
e4k_reg_set_mask() and e4k_dc_offset_calibrate().
master
lcl 8 years ago committed by lcl
parent d447a2e983
commit c5dc459fc5
  1. 4
      src/tuner_e4k.c

@ -64,11 +64,13 @@ static const uint8_t width2mask[] = {
*/
static int e4k_reg_write(struct e4k_state *e4k, uint8_t reg, uint8_t val)
{
int r;
uint8_t data[2];
data[0] = reg;
data[1] = val;
return rtlsdr_i2c_write_fn(e4k->rtl_dev, e4k->i2c_addr, data, 2);
r = rtlsdr_i2c_write_fn(e4k->rtl_dev, e4k->i2c_addr, data, 2);
return r == 2 ? 0 : -1;
}
/*! \brief Read a register of the tuner chip

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