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authorAntti Palosaari <crope@iki.fi>2014-02-13 15:40:59 -0300
committerMauro Carvalho Chehab <m.chehab@samsung.com>2014-03-14 20:26:25 -0300
commit040cf86c8a121905bf201f334a4848f35de29729 (patch)
tree83a07696c05d0290708bc9ceaf93f73f4760e7d4 /drivers/media/dvb-frontends/af9033.c
parent02b7220017cf29507aa789720a3576e7dd59fbe2 (diff)
[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.c53
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,