From: Risto Suominen Risto.Suominen@gmail.com
Correct lineout (Pro Speaker) detection on PowerMac G4 Digital Audio (Tumbler).
Signed-off-by: Risto Suominen Risto.Suominen@gmail.com --- Kernel version 2.6.32 (probably any 2.6), ALSA 1.0.23.
The patch is available here: too: http://ristosu.wippiespace.com/pub/alsa-tumbler-1.0.23-p1.diff
--- a/alsa-kernel/ppc/tumbler.c.org 2010-04-16 14:10:10.000000000 +0300 +++ b/alsa-kernel/ppc/tumbler.c 2011-04-15 20:50:30.000000000 +0300 @@ -1000,7 +1000,7 @@ static void device_change_handler(struct chip->lineout_sw_ctl); if (mix->anded_reset) msleep(10); - check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify, + check_mute(chip, &mix->amp_mute, !IS_G4DA, mix->auto_mute_notify, chip->speaker_sw_ctl); } else { /* unmute speaker, mute others */