[PATCH v2 11/13] audio: deprecate -soundhw pcspk

[Gerd Hoffmann <kraxel@redhat.com>]

Add deprecation message to the audio init function.

Factor out audio initialization and call that from
both audio init and realize, so setting audiodev via
-global is enough to properly initialize pcspk.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 hw/audio/pcspk.c | 24 +++++++++++++++++++++---
 1 file changed, 21 insertions(+), 3 deletions(-)

diff --git a/hw/audio/pcspk.c b/hw/audio/pcspk.c
index c37a3878612e..ab290e686783 100644
--- a/hw/audio/pcspk.c
+++ b/hw/audio/pcspk.c
@@ -28,6 +28,7 @@
 #include "audio/audio.h"
 #include "qemu/module.h"
 #include "qemu/timer.h"
+#include "qemu/error-report.h"
 #include "hw/timer/i8254.h"
 #include "migration/vmstate.h"
 #include "hw/audio/pcspk.h"
@@ -112,11 +113,15 @@ static void pcspk_callback(void *opaque, int free)
     }
 }
 
-static int pcspk_audio_init(ISABus *bus)
+static int pcspk_audio_init(PCSpkState *s)
 {
-    PCSpkState *s = pcspk_state;
     struct audsettings as = {PCSPK_SAMPLE_RATE, 1, AUDIO_FORMAT_U8, 0};
 
+    if (s->voice) {
+        /* already initialized */
+        return 0;
+    }
+
     AUD_register_card(s_spk, &s->card);
 
     s->voice = AUD_open_out(&s->card, s->voice, s_spk, s, pcspk_callback, &as);
@@ -185,6 +190,10 @@ static void pcspk_realizefn(DeviceState *dev, Error **errp)
 
     isa_register_ioport(isadev, &s->ioport, s->iobase);
 
+    if (s->card.state) {
+        pcspk_audio_init(s);
+    }
+
     pcspk_state = s;
 }
 
@@ -236,9 +245,18 @@ static const TypeInfo pcspk_info = {
     .class_init     = pcspk_class_initfn,
 };
 
+static int pcspk_audio_init_soundhw(ISABus *bus)
+{
+    PCSpkState *s = pcspk_state;
+
+    warn_report("'-soundhw pcspk' is deprecated, "
+                "please set a backend using '-global isa-pcspk.audiodev=<name>' instead");
+    return pcspk_audio_init(s);
+}
+
 static void pcspk_register(void)
 {
     type_register_static(&pcspk_info);
-    isa_register_soundhw("pcspk", "PC speaker", pcspk_audio_init);
+    isa_register_soundhw("pcspk", "PC speaker", pcspk_audio_init_soundhw);
 }
 type_init(pcspk_register)
-- 
2.18.4