SPD
cmd_string[0] = SPD; /* disable serial poll bytes */
if (len != HDMI_INFOFRAME_SIZE(SPD) || len - 3 > sizeof(buf)) {
ctrl &= ~(MACB_BIT(SPD) | MACB_BIT(FD));
ctrl |= MACB_BIT(SPD);
if (size < HDMI_INFOFRAME_SIZE(SPD))
if (hdmi_infoframe_checksum(buffer, HDMI_INFOFRAME_SIZE(SPD)) != 0)