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| author | Takashi Iwai <tiwai@suse.de> | 2005-09-07 17:08:40 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@suse.cz> | 2005-09-12 10:47:34 +0200 |
| commit | f328385309f310626751c54f694641459e2d4582 (patch) | |
| tree | 3bc59eab971a8cc1cf6c58efc7daebcbb73d4273 /sound/ppc | |
| parent | a28f1cda0d01f6f98e3bef6a07c483a90f6a35d6 (diff) | |
| download | lwn-f328385309f310626751c54f694641459e2d4582.tar.gz lwn-f328385309f310626751c54f694641459e2d4582.zip | |
[ALSA] powermac - Add AUTO_DRC config
PPC,PPC Tumbler driver
Added AUTO_DRC kernel config to enable/disable the auto-DRC-toggle
feature on tumbler/snapper.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/ppc')
| -rw-r--r-- | sound/ppc/Kconfig | 14 | ||||
| -rw-r--r-- | sound/ppc/tumbler.c | 23 |
2 files changed, 30 insertions, 7 deletions
diff --git a/sound/ppc/Kconfig b/sound/ppc/Kconfig index bda5bc4e6148..206b9333f91f 100644 --- a/sound/ppc/Kconfig +++ b/sound/ppc/Kconfig @@ -20,5 +20,17 @@ config SND_POWERMAC To compile this driver as a module, choose M here: the module will be called snd-powermac. -endmenu +config SND_POWERMAC_AUTO_DRC + bool "Toggle DRC automatically at headphone/line plug-in" + depends on SND_POWERMAC + default y + help + Say Y here to enable the automatic toggle of DRC (dynamic + range compression) on Tumbler/Snapper. + If this feature is enabled, DRC is turned off when the + headphone/line jack is plugged, and turned on when unplugged. + Note that you can turn on/off DRC manually even without this + option. + +endmenu diff --git a/sound/ppc/tumbler.c b/sound/ppc/tumbler.c index b94437c024b1..65384afcfc3f 100644 --- a/sound/ppc/tumbler.c +++ b/sound/ppc/tumbler.c @@ -948,7 +948,6 @@ static void device_change_handler(void *self) msleep(10); check_mute(chip, &mix->amp_mute, 1, mix->auto_mute_notify, chip->speaker_sw_ctl); - mix->drc_enable = 0; } else { /* unmute speaker, mute others */ check_mute(chip, &mix->amp_mute, 0, mix->auto_mute_notify, @@ -960,20 +959,21 @@ static void device_change_handler(void *self) if (mix->line_mute.addr != 0) check_mute(chip, &mix->line_mute, 1, mix->auto_mute_notify, chip->lineout_sw_ctl); - mix->drc_enable = 1; } - if (mix->auto_mute_notify) { + if (mix->auto_mute_notify) snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->hp_detect_ctl->id); + +#ifdef CONFIG_SND_POWERMAC_AUTO_DRC + mix->drc_enable = ! (headphone || lineout); + if (mix->auto_mute_notify) snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE, &chip->drc_sw_ctl->id); - } - - /* first set the DRC so the speaker do not explode -ReneR */ if (chip->model == PMAC_TUMBLER) tumbler_set_drc(mix); else snapper_set_drc(mix); +#endif /* reset the master volume so the correct amplification is applied */ tumbler_set_master_volume(mix); @@ -1370,6 +1370,17 @@ int __init snd_pmac_tumbler_init(pmac_t *chip) if ((err = snd_ctl_add(chip->card, chip->drc_sw_ctl)) < 0) return err; + /* set initial DRC range to 60% */ + if (chip->model == PMAC_TUMBLER) + mix->drc_range = (TAS3001_DRC_MAX * 6) / 10; + else + mix->drc_range = (TAS3004_DRC_MAX * 6) / 10; + mix->drc_enable = 1; /* will be changed later if AUTO_DRC is set */ + if (chip->model == PMAC_TUMBLER) + tumbler_set_drc(mix); + else + snapper_set_drc(mix); + #ifdef CONFIG_PM chip->suspend = tumbler_suspend; chip->resume = tumbler_resume; |