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hdmitx: fix reading error EDID

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PD#153236: hdmitx: fix reading error EDID

When reading EDID by using HW way, there is a logic error in it.
We forget to write 1 to 0x60 address when reading EDID every time.

Change-Id: Iee3148b16ee18df5549754cab63cd2ace80f348c
Signed-off-by: Yi Zhou <yi.zhou@amlogic.com>
This commit is contained in:
Yi Zhou
2017-10-30 09:07:23 +08:00
committed by Jianxin Pan
parent 9e3e45d529
commit 23770ea332
1 changed files with 1 additions and 1 deletions
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2
drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/hdmi_tx_hw.c
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@@ -3124,7 +3124,7 @@ static void hdmitx_read_edid(unsigned char *rx_edid)
/* Read complete EDID data sequentially */
while (byte_num < 128 * blk_no) {
hdmitx_wr_reg(HDMITX_DWC_I2CM_ADDRESS, byte_num&0xff);
if (((byte_num == 256) || (byte_num == 384)) && (blk_no > 2)) {
if ((byte_num >= 256) && (byte_num < 512) && (blk_no > 2)) {
/* Program SEGMENT/SEGPTR */
hdmitx_wr_reg(HDMITX_DWC_I2CM_SEGADDR, 0x30);
hdmitx_wr_reg(HDMITX_DWC_I2CM_SEGPTR, 0x1);