From c0ce5c5228dd17d4e3dd1d15b8d52714262cab70 Mon Sep 17 00:00:00 2001 From: Guido Guenther Date: Tue, 15 Nov 2005 17:28:05 +1100 Subject: [PATCH] PowerBook 6,1: headphone not detected after suspend ever since suspend to disk works I had the problem that headphone (un)plugging doesn't get detected properly anymore after the first resume. Reloading the module worked around this ever since, however the real cause of the problem was that after a resume the driver only got interrupts on "unplug" not on "plug". Reactivating the headphone status interrupt in tumbler_resume fixes this. This shouldn't cause any trouble with software suspend, but it would be nice if somebody could confirm this: Signed-off-by: Guido Guenther Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Paul Mackerras --- sound/ppc/tumbler.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'sound/ppc') diff --git a/sound/ppc/tumbler.c b/sound/ppc/tumbler.c index 65384afcfc3f..d74bfabe5300 100644 --- a/sound/ppc/tumbler.c +++ b/sound/ppc/tumbler.c @@ -1194,8 +1194,14 @@ static void tumbler_resume(pmac_t *chip) tumbler_set_master_volume(mix); if (chip->update_automute) chip->update_automute(chip, 0); - if (mix->headphone_irq >= 0) + if (mix->headphone_irq >= 0) { + unsigned char val; + enable_irq(mix->headphone_irq); + /* activate headphone status interrupts */ + val = do_gpio_read(&mix->hp_detect); + do_gpio_write(&mix->hp_detect, val | 0x80); + } if (mix->lineout_irq >= 0) enable_irq(mix->lineout_irq); } -- cgit v1.2.2