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media: si2168: add support for Mygica T230C v2 

The T230C v2 hardware needs a mode of the si2168 chip to be
set for which the si2168 driver previously had no support.
This patch uses a specific measure to configure this on the
T230C v2 hardware only - see the flag passed via the ts_mode
attribute and its dependency on USB_PID_MYGICA_T230C2.

Signed-off-by: Jan Pieter van Woerkom <jp@jpvw.nl>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Jan Pieter van Woerkom 2019-07-17 20:36:54 -04:00 committed by Mauro Carvalho Chehab
parent 19d41a2899
commit bc28d36bf1
2 changed files with 12 additions and 0 deletions
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11
drivers/media/dvb-frontends/si2168.c
View File

@ -82,8 +82,19 @@ static int si2168_ts_bus_ctrl(struct dvb_frontend *fe, int acquire)
dev_dbg(&client->dev, "%s acquire: %d\n", __func__, acquire);
/* set manual value */
if (dev->ts_mode & SI2168_TS_CLK_MANUAL) {
memcpy(cmd.args, "\x14\x00\x0d\x10\xe8\x03", 6);
cmd.wlen = 6;
cmd.rlen = 4;
ret = si2168_cmd_execute(client, &cmd);
if (ret)
return ret;
}
/* set TS_MODE property */
memcpy(cmd.args, "\x14\x00\x01\x10\x10\x00", 6);
if (dev->ts_mode & SI2168_TS_CLK_MANUAL)
cmd.args[4] = SI2168_TS_CLK_MANUAL;
if (acquire)
cmd.args[4] |= dev->ts_mode;
else

1
drivers/media/dvb-frontends/si2168.h
View File

@ -30,6 +30,7 @@ struct si2168_config {
#define SI2168_TS_PARALLEL 0x06
#define SI2168_TS_SERIAL 0x03
#define SI2168_TS_TRISTATE 0x00
#define SI2168_TS_CLK_MANUAL 0x20
u8 ts_mode;
/* TS clock inverted */