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-rw-r--r--sound/core/Kconfig12
-rw-r--r--sound/core/seq/seq.c8
2 files changed, 19 insertions, 1 deletions
diff --git a/sound/core/Kconfig b/sound/core/Kconfig
index 6ae1d2e24b4..48cf45cfd0b 100644
--- a/sound/core/Kconfig
+++ b/sound/core/Kconfig
@@ -99,6 +99,18 @@ config SND_RTCTIMER
To compile this driver as a module, choose M here: the module
will be called snd-rtctimer.
+config SND_SEQ_RTCTIMER_DEFAULT
+ bool "Use RTC as default sequencer timer"
+ depends on SND_RTCTIMER && SND_SEQUENCER
+ default y
+ help
+ Say Y here to use the RTC timer as the default sequencer
+ timer. This is strongly recommended because it ensures
+ precise MIDI timing even when the system timer runs at less
+ than 1000 Hz.
+
+ If in doubt, say Y.
+
config SND_VERBOSE_PRINTK
bool "Verbose printk"
depends on SND
diff --git a/sound/core/seq/seq.c b/sound/core/seq/seq.c
index 7449d2a6262..24644150f24 100644
--- a/sound/core/seq/seq.c
+++ b/sound/core/seq/seq.c
@@ -43,7 +43,13 @@ int seq_client_load[64] = {[0 ... 63] = -1};
int seq_default_timer_class = SNDRV_TIMER_CLASS_GLOBAL;
int seq_default_timer_sclass = SNDRV_TIMER_SCLASS_NONE;
int seq_default_timer_card = -1;
-int seq_default_timer_device = SNDRV_TIMER_GLOBAL_SYSTEM;
+int seq_default_timer_device =
+#ifdef CONFIG_SND_SEQ_RTCTIMER_DEFAULT
+ SNDRV_TIMER_GLOBAL_RTC
+#else
+ SNDRV_TIMER_GLOBAL_SYSTEM
+#endif
+ ;
int seq_default_timer_subdevice = 0;
int seq_default_timer_resolution = 0; /* Hz */