Patch adds information about using v4l2-ctl utility to tune the si470x radio and example how to use sox+alsa to redirect sound from radio sound device to another sound device. Signed-off-by: Alexey Klimov <klimov.linux@xxxxxxxxx> diff --git a/Documentation/video4linux/si470x.txt b/Documentation/video4linux/si470x.txt index 3a7823e..98c3292 100644 --- a/Documentation/video4linux/si470x.txt +++ b/Documentation/video4linux/si470x.txt @@ -53,6 +53,9 @@ Testing is usually done with most application under Debian/testing: - kradio - Comfortable Radio Application for KDE - radio - ncurses-based radio application - mplayer - The Ultimate Movie Player For Linux +- v4l2-ctl - Collection of command line video4linux utilities +For example, you can use: +v4l2-ctl -d /dev/radio0 --set-ctrl=volume=10,mute=0 --set-freq=95.21 --all There is also a library libv4l, which can be used. It's going to have a function for frequency seeking, either by using hardware functionality as in radio-si470x @@ -75,8 +78,10 @@ commands. Please adjust the audio devices to your needs (/dev/dsp* and hw:x,x). If you just want to test audio (very poor quality): cat /dev/dsp1 > /dev/dsp -If you use OSS try: +If you use sox + OSS try: sox -2 --endian little -r 96000 -t oss /dev/dsp1 -t oss /dev/dsp +or using sox + alsa: +sox --endian little -c 2 -S -r 96000 -t alsa hw:1 -t alsa -r 96000 hw:0 If you use arts try: arecord -D hw:1,0 -r96000 -c2 -f S16_LE | artsdsp aplay -B - -- 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
