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-rw-r--r--hw/wm8750.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/hw/wm8750.c b/hw/wm8750.c
index c26961a2fc..4722e6c4a0 100644
--- a/hw/wm8750.c
+++ b/hw/wm8750.c
@@ -627,6 +627,24 @@ void wm8750_dac_dat(void *opaque, uint32_t sample)
wm8750_out_flush(s);
}
+void *wm8750_dac_buffer(void *opaque, int samples)
+{
+ struct wm8750_s *s = (struct wm8750_s *) opaque;
+ /* XXX: Should check if there are <i>samples</i> free samples available */
+ void *ret = s->data_out + s->idx_out;
+
+ s->idx_out += samples << 2;
+ s->req_out -= samples << 2;
+ return ret;
+}
+
+void wm8750_dac_commit(void *opaque)
+{
+ struct wm8750_s *s = (struct wm8750_s *) opaque;
+
+ return wm8750_out_flush(s);
+}
+
uint32_t wm8750_adc_dat(void *opaque)
{
struct wm8750_s *s = (struct wm8750_s *) opaque;