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Groups > linux.kernel > #1398837
| From | zengzhaoxiu@163.com |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [patch V4 14/31] media: use parity functions in saa7115 |
| Date | 2016-05-11 11:30 +0200 |
| Message-ID | <rxyCS-5ns-15@gated-at.bofh.it> (permalink) |
| References | <rxxGP-4ls-49@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Zhaoxiu Zeng <zhaoxiu.zeng@gmail.com>
Signed-off-by: Zhaoxiu Zeng <zhaoxiu.zeng@gmail.com>
---
drivers/media/i2c/saa7115.c | 17 ++---------------
1 file changed, 2 insertions(+), 15 deletions(-)
diff --git a/drivers/media/i2c/saa7115.c b/drivers/media/i2c/saa7115.c
index d2a1ce2..4c22df8 100644
--- a/drivers/media/i2c/saa7115.c
+++ b/drivers/media/i2c/saa7115.c
@@ -672,15 +672,6 @@ static const unsigned char saa7115_init_misc[] = {
0x00, 0x00
};
-static int saa711x_odd_parity(u8 c)
-{
- c ^= (c >> 4);
- c ^= (c >> 2);
- c ^= (c >> 1);
-
- return c & 1;
-}
-
static int saa711x_decode_vps(u8 *dst, u8 *p)
{
static const u8 biphase_tbl[] = {
@@ -733,7 +724,6 @@ static int saa711x_decode_wss(u8 *p)
static const int wss_bits[8] = {
0, 0, 0, 1, 0, 1, 1, 1
};
- unsigned char parity;
int wss = 0;
int i;
@@ -745,11 +735,8 @@ static int saa711x_decode_wss(u8 *p)
return -1;
wss |= b2 << i;
}
- parity = wss & 15;
- parity ^= parity >> 2;
- parity ^= parity >> 1;
- if (!(parity & 1))
+ if (!parity4(wss))
return -1;
return wss;
@@ -1235,7 +1222,7 @@ static int saa711x_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vb
vbi->type = V4L2_SLICED_TELETEXT_B;
break;
case 4:
- if (!saa711x_odd_parity(p[0]) || !saa711x_odd_parity(p[1]))
+ if (!parity8(p[0]) || !parity8(p[1]))
return 0;
vbi->type = V4L2_SLICED_CAPTION_525;
break;
--
2.7.4
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[patch V4 00/31] bitops: add parity functions zengzhaoxiu@163.com - 2016-05-11 10:30 +0200
[patch V4 01/31] bitops: add parity functions zengzhaoxiu@163.com - 2016-05-11 11:10 +0200
Re: [patch V4 01/31] bitops: add parity functions Martin Kepplinger <martink@posteo.de> - 2016-05-11 16:40 +0200
[patch V4 02/31] bitops: Include generic parity.h in some architectures' bitops.h zengzhaoxiu@163.com - 2016-05-11 11:20 +0200
Re: [patch V4 02/31] bitops: Include generic parity.h in some architectures' bitops.h Jesper Nilsson <jesper.nilsson@axis.com> - 2016-05-11 12:10 +0200
Re: [patch V4 02/31] bitops: Include generic parity.h in some architectures' bitops.h Catalin Marinas <catalin.marinas@arm.com> - 2016-05-11 12:50 +0200
Re: [patch V4 02/31] bitops: Include generic parity.h in some architectures' bitops.h Vineet Gupta <Vineet.Gupta1@synopsys.com> - 2016-05-11 16:00 +0200
Re: [patch V4 02/31] bitops: Include generic parity.h in some architectures' bitops.h Mark Salter <msalter@redhat.com> - 2016-05-11 17:30 +0200
[patch V4 09/31] bitops: Add x86-specific parity functions zengzhaoxiu@163.com - 2016-05-11 11:20 +0200
Re: [patch V4 09/31] bitops: Add x86-specific parity functions Peter Zijlstra <peterz@infradead.org> - 2016-05-11 11:40 +0200
Re: [patch V4 09/31] bitops: Add x86-specific parity functions Borislav Petkov <bp@suse.de> - 2016-05-11 12:00 +0200
[patch V4 06/31] bitops: Tile and MIPS (if has usable __builtin_popcount) use popcount parity functions zengzhaoxiu@163.com - 2016-05-11 11:20 +0200
[patch V4 12/31] lib: bch: use parity32 zengzhaoxiu@163.com - 2016-05-11 11:20 +0200
[patch V4 03/31] bitops: Add alpha-specific parity functions zengzhaoxiu@163.com - 2016-05-11 11:20 +0200
[patch V4 05/31] bitops: Add ia-specific parity functions zengzhaoxiu@163.com - 2016-05-11 11:20 +0200
[patch V4 11/31] mips: use parity functions in cerr-sb1.c zengzhaoxiu@163.com - 2016-05-11 11:20 +0200
[patch V4 08/31] bitops: Add sparc-specific parity functions zengzhaoxiu@163.com - 2016-05-11 11:20 +0200
Re: [patch V4 08/31] bitops: Add sparc-specific parity functions David Miller <davem@davemloft.net> - 2016-05-12 02:00 +0200
[patch V4 10/31] sunrpc: use parity8 zengzhaoxiu@163.com - 2016-05-11 11:20 +0200
[patch V4 07/31] bitops: Add powerpc-specific parity functions zengzhaoxiu@163.com - 2016-05-11 11:20 +0200
[patch V4 04/31] bitops: Add blackfin-specific parity functions zengzhaoxiu@163.com - 2016-05-11 11:20 +0200
[patch V4 28/31] input: use parity8 in elantech zengzhaoxiu@163.com - 2016-05-11 11:30 +0200
[patch V4 19/31] mtd: use parity16 in ssfdc zengzhaoxiu@163.com - 2016-05-11 11:30 +0200
[patch V4 23/31] ethernet: use parity8 in sun/niu.c zengzhaoxiu@163.com - 2016-05-11 11:30 +0200
Re: [patch V4 23/31] ethernet: use parity8 in sun/niu.c David Miller <davem@davemloft.net> - 2016-05-12 02:10 +0200
[patch V4 20/31] mtd: use parity functions in inftlcore zengzhaoxiu@163.com - 2016-05-11 11:30 +0200
[patch V4 14/31] media: use parity functions in saa7115 zengzhaoxiu@163.com - 2016-05-11 11:30 +0200
[patch V4 31/31] edac: use parity8 in amd64_edac.c zengzhaoxiu@163.com - 2016-05-11 11:30 +0200
[patch V4 29/31] ethernet: use parity8 in broadcom/tg3.c zengzhaoxiu@163.com - 2016-05-11 11:30 +0200
Re: [patch V4 29/31] ethernet: use parity8 in broadcom/tg3.c David Miller <davem@davemloft.net> - 2016-05-12 02:00 +0200
[patch V4 18/31] scsi: use parity32 in isci's phy zengzhaoxiu@163.com - 2016-05-11 11:30 +0200
[patch V4 21/31] crypto: use parity functions in qat_hal zengzhaoxiu@163.com - 2016-05-11 11:30 +0200
[patch V4 15/31] input: use parity32 in grip_mp zengzhaoxiu@163.com - 2016-05-11 11:30 +0200
[patch V4 30/31] crypto: use parity_long is sahara.c zengzhaoxiu@163.com - 2016-05-11 11:30 +0200
[patch V4 22/31] mtd: use parity16 in sm_ftl zengzhaoxiu@163.com - 2016-05-11 11:30 +0200
[patch V4 25/31] input: use parity8 in sa1111ps2 zengzhaoxiu@163.com - 2016-05-11 11:30 +0200
[patch V4 16/31] input: use parity64 in sidewinder zengzhaoxiu@163.com - 2016-05-11 11:30 +0200
[patch V4 27/31] serial: use parity32 in max3100 zengzhaoxiu@163.com - 2016-05-11 11:30 +0200
[patch V4 24/31] input: use parity8 in pcips2 zengzhaoxiu@163.com - 2016-05-11 11:30 +0200
[patch V4 26/31] iio: use parity32 in adxrs450 zengzhaoxiu@163.com - 2016-05-11 11:30 +0200
[patch V4 17/31] input: use parity16 in ams_delta_serio zengzhaoxiu@163.com - 2016-05-11 11:30 +0200
[patch V4 13/31] media: use parity8 in vivid-vbi-gen.c zengzhaoxiu@163.com - 2016-05-11 11:30 +0200
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