On 29/05/15 22:05, Antti Palosaari wrote:
Implement DVBv5 signal strength stats. Returns dBm.
Signed-off-by: Antti Palosaari <crope@xxxxxx>
---
Tested-by: Adam Baker <linux@xxxxxxxxxxxxxxxx>
I don't have the test gear to verify the absolute levels but the signal
level readings were close to those obtained feeding the same signal into
a Hauppauge Nova TD and varied as additional cables and splitters were
added in a consistent fashion. I didn't see much variation in C/N but I
wouldn't expect to in a setup with a masthead amp.
Turning the LNA on and off in a PCTV 292e showed that the LNA gives
approx 20dB gain.
Test environment was this patch, the si2168: Implement own I2C adapter
locking patch and Olli Salonen's si2168: add I2C error handling patch as
that is needed to make Antti's patch apply cleanly.
Adam
--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
