[ALSA] emu10k1: General cleanup, add new locks, fix alsa bug#3501, kernel bug#9304.

Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 2 insertions, 0 deletions

diff --git a/include/sound/emu10k1.h b/include/sound/emu10k1.h
index 494648dd7073..7b7b9b13b4dd 100644
--- a/include/sound/emu10k1.h
+++ b/include/sound/emu10k1.h
@@ -1742,6 +1742,8 @@ struct snd_emu10k1 {
         spinlock_t reg_lock;
         spinlock_t emu_lock;
         spinlock_t voice_lock;
+        spinlock_t spi_lock; /* serialises access to spi port */
+        spinlock_t i2c_lock; /* serialises access to i2c port */
 
         struct snd_emu10k1_voice voices[NUM_G];
         struct snd_emu10k1_voice p16v_voices[4];