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| author | Antti Palosaari <crope@iki.fi> | 2014-02-13 22:40:59 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-03-15 03:26:25 +0400 |
| commit | 040cf86c8a121905bf201f334a4848f35de29729 (patch) | |
| tree | 83a07696c05d0290708bc9ceaf93f73f4760e7d4 /drivers/media/dvb-frontends/af9033.c | |
| parent | 02b7220017cf29507aa789720a3576e7dd59fbe2 (diff) | |
| download | linux-040cf86c8a121905bf201f334a4848f35de29729.tar.xz | |
[media] af9033: implement PID filter
Implement PID filter and export it via symbol.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/dvb-frontends/af9033.c')
| -rw-r--r-- | drivers/media/dvb-frontends/af9033.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c index 65728c25ea05..5a1c508c7417 100644 --- a/drivers/media/dvb-frontends/af9033.c +++ b/drivers/media/dvb-frontends/af9033.c @@ -989,6 +989,59 @@ err: return ret; } +int af9033_pid_filter_ctrl(struct dvb_frontend *fe, int onoff) +{ + struct af9033_state *state = fe->demodulator_priv; + int ret; + + dev_dbg(&state->i2c->dev, "%s: onoff=%d\n", __func__, onoff); + + ret = af9033_wr_reg_mask(state, 0x80f993, onoff, 0x01); + if (ret < 0) + goto err; + + return 0; + +err: + dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); + + return ret; +} +EXPORT_SYMBOL(af9033_pid_filter_ctrl); + +int af9033_pid_filter(struct dvb_frontend *fe, int index, u16 pid, int onoff) +{ + struct af9033_state *state = fe->demodulator_priv; + int ret; + u8 wbuf[2] = {(pid >> 0) & 0xff, (pid >> 8) & 0xff}; + + dev_dbg(&state->i2c->dev, "%s: index=%d pid=%04x onoff=%d\n", + __func__, index, pid, onoff); + + if (pid > 0x1fff) + return 0; + + ret = af9033_wr_regs(state, 0x80f996, wbuf, 2); + if (ret < 0) + goto err; + + ret = af9033_wr_reg(state, 0x80f994, onoff); + if (ret < 0) + goto err; + + ret = af9033_wr_reg(state, 0x80f995, index); + if (ret < 0) + goto err; + + return 0; + +err: + dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret); + + return ret; +} +EXPORT_SYMBOL(af9033_pid_filter); + static struct dvb_frontend_ops af9033_ops; struct dvb_frontend *af9033_attach(const struct af9033_config *config, |