TEA575X_BIT_FREQ_MASK
u32 freq = val & TEA575X_BIT_FREQ_MASK;
tea->val &= ~(TEA575X_BIT_FREQ_MASK | TEA575X_BIT_BAND_MASK);
tea->val |= freq & TEA575X_BIT_FREQ_MASK;
tea->val &= ~TEA575X_BIT_FREQ_MASK;