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-rw-r--r--hw/audio/es1370.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/hw/audio/es1370.c b/hw/audio/es1370.c
index 91c4733..fad5541 100644
--- a/hw/audio/es1370.c
+++ b/hw/audio/es1370.c
@@ -670,8 +670,13 @@ static void es1370_transfer_audio (ES1370State *s, struct chan *d, int loop_sel,
cnt += (transferred + d->leftover) >> 2;
if (s->sctl & loop_sel) {
- /* Bah, how stupid is that having a 0 represent true value?
- i just spent few hours on this shit */
+ /*
+ * loop_sel tells us which bit in the SCTL register to look at
+ * (either P1_LOOP_SEL, P2_LOOP_SEL or R1_LOOP_SEL). The sense
+ * of these bits is 0 for loop mode (set interrupt and keep recording
+ * when the sample count reaches zero) or 1 for stop mode (set
+ * interrupt and stop recording).
+ */
AUD_log ("es1370: warning", "non looping mode\n");
} else {
d->frame_cnt = size;