diff options
Diffstat (limited to 'sound/pci/emu10k1/io.c')
| -rw-r--r-- | sound/pci/emu10k1/io.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/sound/pci/emu10k1/io.c b/sound/pci/emu10k1/io.c index a0d66ce3ee83..74df2330015f 100644 --- a/sound/pci/emu10k1/io.c +++ b/sound/pci/emu10k1/io.c @@ -1,14 +1,12 @@ // SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) by Jaroslav Kysela <perex@perex.cz> + * Lee Revell <rlrevell@joe-job.com> + * James Courtier-Dutton <James@superbug.co.uk> + * Oswald Buddenhagen <oswald.buddenhagen@gmx.de> * Creative Labs, Inc. - * Routines for control of EMU10K1 chips - * - * BUGS: - * -- * - * TODO: - * -- + * Routines for control of EMU10K1 chips */ #include <linux/time.h> @@ -302,6 +300,8 @@ static void snd_emu1010_fpga_read_locked(struct snd_emu10k1 *emu, u32 reg, u32 * { // The higest input pin is used as the designated interrupt trigger, // so it needs to be masked out. + // But note that any other input pin change will also cause an IRQ, + // so using this function often causes an IRQ as a side effect. u32 mask = emu->card_capabilities->ca0108_chip ? 0x1f : 0x7f; if (snd_BUG_ON(reg > 0x3f)) return; |