diff --git a/drivers/media/vout/hdmitx20/hw/hdmi_tx_ddc.c b/drivers/media/vout/hdmitx20/hw/hdmi_tx_ddc.c
index 869cc6090..1e21c5043 100644
--- a/drivers/media/vout/hdmitx20/hw/hdmi_tx_ddc.c
+++ b/drivers/media/vout/hdmitx20/hw/hdmi_tx_ddc.c
@@ -242,7 +242,7 @@ void hdmitx_read_edid(unsigned char *rx_edid)
 		hdmitx_wr_reg(HDMITX_DWC_I2CM_SEGADDR, 0x30);
 		hdmitx_wr_reg(HDMITX_DWC_I2CM_OPERATION, 1 << 3);
 		/* Program SEGPTR */
-		if (byte_num / 256 == 0)
+		if (byte_num % 256 == 0)
 			hdmitx_wr_reg(HDMITX_DWC_I2CM_SEGPTR, byte_num >> 8);
 		/* Wait until I2C done */
 		timeout = 0;