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Commit 23175416 authored by Ajay Singh Parmar's avatar Ajay Singh Parmar
Browse files

msm: mdss: hdmi: Fix AVI InfoFrame packet type code 



The correct AVI infoFrame packet type code is 0x82 which is
0x80 + InfoFrame type code. InfoFrame type code for AVI InfoFrame
is 0x2. This should be properly filled in to avoid checksum error.

Change-Id: I9f5acbd2bf2c98908eb214c2d9af02a9c35332a7
Signed-off-by: default avatarAjay Singh Parmar <aparmar@codeaurora.org>
parent 37239795

drivers/video/msm/mdss/mdss_hdmi_tx.c

+4 −1
Original line number Diff line number Diff line
@@ -91,6 +91,7 @@ enum { 
	DATA_BYTE_13,

};



#define IFRAME_PACKET_OFFSET 0x80

/*

 * InfoFrame Type Code:

 * 0x0 - Reserved
@@ -1517,7 +1518,9 @@ static void hdmi_tx_set_avi_infoframe(struct hdmi_tx_ctrl *hdmi_ctrl) 


	avi_iframe_data[DATA_BYTE_1] |= scaninfo & (BIT(1) | BIT(0));



	sum = AVI_IFRAME_TYPE + AVI_IFRAME_VERSION + AVI_MAX_DATA_BYTES;

	sum = IFRAME_PACKET_OFFSET + AVI_IFRAME_TYPE +

		AVI_IFRAME_VERSION + AVI_MAX_DATA_BYTES;



	for (i = 0; i < AVI_MAX_DATA_BYTES; i++)

		sum += avi_iframe_data[i];

	sum &= 0xFF;