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| author | Simon Rettberg | 2018-10-02 12:04:33 +0200 |
|---|---|---|
| committer | Simon Rettberg | 2018-10-02 12:04:33 +0200 |
| commit | d83f29e9057315f68aca94c19176118196aef3ee (patch) | |
| tree | e2cf5ea86a915641c71d55ed9f5e7c0103d63811 /core/modules/alsa | |
| parent | [alsa] ash doesn't know < <() (diff) | |
| download | mltk-d83f29e9057315f68aca94c19176118196aef3ee.tar.gz mltk-d83f29e9057315f68aca94c19176118196aef3ee.tar.xz mltk-d83f29e9057315f68aca94c19176118196aef3ee.zip | |
[alsa] Try to determine which HDMI port to output sound to
Diffstat (limited to 'core/modules/alsa')
| -rwxr-xr-x | core/modules/alsa/data/opt/openslx/scripts/alsa-default_card | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/core/modules/alsa/data/opt/openslx/scripts/alsa-default_card b/core/modules/alsa/data/opt/openslx/scripts/alsa-default_card index cd0b301d..b4522b7c 100755 --- a/core/modules/alsa/data/opt/openslx/scripts/alsa-default_card +++ b/core/modules/alsa/data/opt/openslx/scripts/alsa-default_card @@ -22,14 +22,28 @@ fi . /opt/openslx/config -GREPOPT="-v" +GREPOPT="-v -m 1" if [ "x$SLX_PREFERRED_SOUND_OUTPUT" = "xHDMI" ]; then - GREPOPT= + # Prefer HDMI, so let's check whether there is actually + # something connected via HDMI. This might still be screen + # that doesn't support sound output, but it's better than nothing + found=false + cnt=1 + for i in /sys/class/drm/card*-HDMI*; do + if [ "x$(cat "$i/status")" = "xconnected" ]; then + found=true + break + fi + cnt=$(( cnt + 1 )) + done + if $found; then + GREPOPT="-m $cnt" + fi fi # Try to filter/prefer HDMI cards tmpf=$( mktemp ) [ -z "$tmpf" ] && tmpf=/tmp/borkenbämpfong -sort -u "${PROC}" | grep $GREPOPT -i HDMI -m 1 | cut -c1-5 | tr -- '-' ' ' > "$tmpf" +sort -u "${PROC}" | grep $GREPOPT -i HDMI | tail -n 1 | cut -c1-5 | tr -- '-' ' ' > "$tmpf" < "$tmpf" read card device _ rm -f -- "$tmpf" |