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[Qemu-devel] [PULL 1/2] wm8750: add record buffer underrun check
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [PULL 1/2] wm8750: add record buffer underrun check |
Date: |
Mon, 18 Sep 2017 13:17:49 +0200 |
Reported-by: address@hidden
Signed-off-by: Gerd Hoffmann <address@hidden>
Message-id: address@hidden
---
hw/audio/wm8750.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/hw/audio/wm8750.c b/hw/audio/wm8750.c
index f8b5bebfc2..d2bf2e1da1 100644
--- a/hw/audio/wm8750.c
+++ b/hw/audio/wm8750.c
@@ -680,8 +680,12 @@ uint32_t wm8750_adc_dat(void *opaque)
WM8750State *s = (WM8750State *) opaque;
uint32_t *data;
- if (s->idx_in >= sizeof(s->data_in))
+ if (s->idx_in >= sizeof(s->data_in)) {
wm8750_in_load(s);
+ if (s->idx_in >= sizeof(s->data_in)) {
+ return 0x80008000; /* silence in AUD_FMT_S16 sample format */
+ }
+ }
data = (uint32_t *) &s->data_in[s->idx_in];
s->req_in -= 4;
--
2.9.3