struct radeon_hdmi_acr r600_hdmi_acr(uint32_t clock)
{
struct radeon_hdmi_acr res;
u8 i;
for (i = 0; r600_hdmi_predefined_acr[i].clock != clock &&
r600_hdmi_predefined_acr[i].clock != 0; i++)
;
res = r600_hdmi_predefined_acr[i];
/* In case some CTS are missing */
r600_hdmi_calc_cts(clock, &res.cts_32khz, res.n_32khz, 32000);
r600_hdmi_calc_cts(clock, &res.cts_44_1khz, res.n_44_1khz, 44100);
r600_hdmi_calc_cts(clock, &res.cts_48khz, res.n_48khz, 48000);
return res;
}
struct radeon_hdmi_acr r600_hdmi_acr(uint32_t clock)
{
struct radeon_hdmi_acr res;
u8 i;
/* Precalculated values for common clocks */
for (i = 0; i < ARRAY_SIZE(r600_hdmi_predefined_acr); i++) {
if (r600_hdmi_predefined_acr[i].clock == clock)
return r600_hdmi_predefined_acr[i];
}
/* And odd clocks get manually calculated */
r600_hdmi_calc_cts(clock, &res.cts_32khz, &res.n_32khz, 32000);
r600_hdmi_calc_cts(clock, &res.cts_44_1khz, &res.n_44_1khz, 44100);
r600_hdmi_calc_cts(clock, &res.cts_48khz, &res.n_48khz, 48000);
return res;
}