UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

[media] Fix DVB-T frequency offset calculation 

Fix offset calculation inside cxd2841er_get_carrier_offset_t
Now DVB-T should be tuned correctly

Signed-off-by: Abylay Ospan <aospan@netup.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Abylay Ospan 2016-04-20 14:02:58 -03:00 committed by Mauro Carvalho Chehab
parent 30ae3307ad
commit 4da093ce4e
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/media/dvb-frontends/cxd2841er.c
View File

@ -1116,6 +1116,8 @@ static int cxd2841er_get_carrier_offset_t(struct cxd2841er_priv *priv,
*offset = -1 * sign_extend32(
((u32)(data[0] & 0x1F) << 24) | ((u32)data[1] << 16) |
((u32)data[2] << 8) | (u32)data[3], 29);
*offset *= (bandwidth / 1000000);
*offset /= 235;
return 0;
}