Commit 47e0452b authored by Kuan-Wei Chiu's avatar Kuan-Wei Chiu Committed by Hans Verkuil
Browse files

media: media/test_drivers: Replace open-coded parity calculation with parity8() 



Refactor parity calculations to use the standard parity8() helper.
This change eliminates redundant implementations.

Co-developed-by: default avatarYu-Chun Lin <eleanor15x@gmail.com>
Signed-off-by: default avatarYu-Chun Lin <eleanor15x@gmail.com>
Signed-off-by: default avatarKuan-Wei Chiu <visitorckw@gmail.com>
Reviewed-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
parent 57b5a302

drivers/media/test-drivers/vivid/vivid-vbi-gen.c

+2 −6
Original line number Diff line number Diff line
@@ -5,6 +5,7 @@ 
 * Copyright 2014 Cisco Systems, Inc. and/or its affiliates. All rights reserved.

 */



#include <linux/bitops.h>

#include <linux/errno.h>

#include <linux/kernel.h>

#include <linux/ktime.h>
@@ -165,12 +166,7 @@ static const u8 vivid_cc_sequence2[30] = { 


static u8 calc_parity(u8 val)

{

	unsigned i;

	unsigned tot = 0;



	for (i = 0; i < 7; i++)

		tot += (val & (1 << i)) ? 1 : 0;

	return val | ((tot & 1) ? 0 : 0x80);

	return val | (parity8(val) ? 0 : 0x80);

}



static void vivid_vbi_gen_set_time_of_day(u8 *packet)