[media] mn88472: implement PER statistics (0fc66c19) · Commits · 戴 / test

drivers/media/dvb-frontends/mn88472.c

+22 −0

Original line number	Diff line number	Diff line
		@@ -179,6 +179,26 @@ static int mn88472_read_status(struct dvb_frontend fe, enum fe_status status)
		c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
		}

		/* PER */
		if (*status & FE_HAS_SYNC) {
		ret = regmap_bulk_read(dev->regmap[0], 0xe1, buf, 4);
		if (ret)
		goto err;

		utmp1 = buf[0] << 8 \| buf[1] << 0;
		utmp2 = buf[2] << 8 \| buf[3] << 0;
		dev_dbg(&client->dev, "block_error=%u block_count=%u\n",
		utmp1, utmp2);

		c->block_error.stat[0].scale = FE_SCALE_COUNTER;
		c->block_error.stat[0].uvalue += utmp1;
		c->block_count.stat[0].scale = FE_SCALE_COUNTER;
		c->block_count.stat[0].uvalue += utmp2;
		} else {
		c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
		c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
		}

		return 0;
		err:
		dev_dbg(&client->dev, "failed=%d\n", ret);
		@@ -654,6 +674,8 @@ static int mn88472_probe(struct i2c_client *client,
		c = &dev->fe.dtv_property_cache;
		c->strength.len = 1;
		c->cnr.len = 1;
		c->block_error.len = 1;
		c->block_count.len = 1;

		/* Setup callbacks */
		pdata->get_dvb_frontend = mn88472_get_dvb_frontend;