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GET /api/patches/2196870/?format=api
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{
    "id": 2196870,
    "url": "http://patchwork.ozlabs.org/api/patches/2196870/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260216-audio-v1-65-e676662e4514@redhat.com/",
    "project": {
        "id": 14,
        "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api",
        "name": "QEMU Development",
        "link_name": "qemu-devel",
        "list_id": "qemu-devel.nongnu.org",
        "list_email": "qemu-devel@nongnu.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": "",
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20260216-audio-v1-65-e676662e4514@redhat.com>",
    "list_archive_url": null,
    "date": "2026-02-16T11:15:54",
    "name": "[65/85] audio/oss: replace custom logging with report & trace",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "26cadd80175562b1e614319198bb921adba273b5",
    "submitter": {
        "id": 66774,
        "url": "http://patchwork.ozlabs.org/api/people/66774/?format=api",
        "name": "Marc-André Lureau",
        "email": "marcandre.lureau@redhat.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260216-audio-v1-65-e676662e4514@redhat.com/mbox/",
    "series": [
        {
            "id": 492294,
            "url": "http://patchwork.ozlabs.org/api/series/492294/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=492294",
            "date": "2026-02-16T11:14:52",
            "name": "audio: cleanups & add a manual test",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/492294/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/2196870/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2196870/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "From": "=?utf-8?q?Marc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>",
        "Date": "Mon, 16 Feb 2026 12:15:54 +0100",
        "Subject": "[PATCH 65/85] audio/oss: replace custom logging with report &\n trace",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain; charset=\"utf-8\"",
        "Content-Transfer-Encoding": "8bit",
        "Message-Id": "<20260216-audio-v1-65-e676662e4514@redhat.com>",
        "References": "<20260216-audio-v1-0-e676662e4514@redhat.com>",
        "In-Reply-To": "<20260216-audio-v1-0-e676662e4514@redhat.com>",
        "To": "qemu-devel@nongnu.org",
        "Cc": "Gerd Hoffmann <kraxel@redhat.com>,  Eduardo Habkost <eduardo@habkost.net>,\n Paolo Bonzini <pbonzini@redhat.com>,\n =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= <berrange@redhat.com>, =?utf-8?q?Phil?=\n\t=?utf-8?q?ippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org>,\n  John Snow <jsnow@redhat.com>, Cleber Rosa <crosa@redhat.com>,\n  Christian Schoenebeck <qemu_oss@crudebyte.com>,\n  Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>,\n  Thomas Huth <huth@tuxfamily.org>, Alexandre Ratchov <alex@caoua.org>,\n\t=?utf-8?q?Alex_Benn=C3=A9e?= <alex.bennee@linaro.org>,\n  Laurent Vivier <laurent@vivier.eu>, \"Michael S. Tsirkin\" <mst@redhat.com>,\n  Manos Pitsidianakis <manos.pitsidianakis@linaro.org>,\n  Alistair Francis <alistair@alistair23.me>,\n  \"Edgar E. Iglesias\" <edgar.iglesias@gmail.com>,\n  Peter Maydell <peter.maydell@linaro.org>, qemu-arm@nongnu.org, =?utf-8?q?M?=\n\t=?utf-8?q?arc-Andr=C3=A9_Lureau?= <marcandre.lureau@redhat.com>,\n  Mark Cave-Ayland <mark.caveayland@nutanix.com>",
        "X-Developer-Signature": "v=1; a=openpgp-sha256; l=16589;\n i=marcandre.lureau@redhat.com; h=from:subject:message-id;\n bh=lywGw39/K7tbYnTEejhPkXeJI8LPyKiBTCBxJgYT1QE=;\n b=kA0DAAoB2ujhCXWWnOUByyZiAGmS/FGgfCj2YjnLyA349Yy2aVqG26hNPn8fFkoBofZH157sz\n okCMwQAAQoAHRYhBIepvZM/h8YG0nb2Ldro4Ql1lpzlBQJpkvxRAAoJENro4Ql1lpzlt5gP/AxQ\n tV8FrcIA7ePhB3T8atS+KwV57ns5GnHlwvAH5rDBqRziozFSsnknJZz0pIcHXxcLiBc/f7Iv2JD\n a1aNpweI3DIha8ez0g8WNd/in6t9hxEaFMl4gnmxgr/n29dtYluRRwVISYLrQKqAK1uISTUiINq\n q9yptjMhUkbp5rWJ9HJtzFnKshz3BAPks4Fd/cJfvHvd6oo/jENTc9GFH/YHMhwMhX8S2y/nkb/\n NyeqscBOMee9tarX/i58azdCiGYqYgCApl1ItJnd7o8G7Z/dGf6+nM2XqaGWbH1rHm8YhrWYqHg\n n0JEMaTLORUbcUSEhVwkhZhn2xUGzLD6CREcOw2dxZwhWU3No5ANwmBx9z0BAlvKVgbQOxS7MRL\n y/DvfyCPPy+Ssc6yoSe5tIT0VDCa+NCGBNkOeq8Plx1/dv1JZ7aLpBc1C28S/XRib4Q3l1zsNc1\n 4O7L3IRpx1KcVZqwzT65R2vzJW4XLdIq+DE+7d2GBrQ56D7eb4yZVoPyWDndiPZUh2XjtDHMoWi\n 0AM8Lio4ObSYR2E7n9+X7PsG4mVuI0VkxIVX93/qLMj7PKrPjO9J6Vx0i7j5USauZlmCOcCLUo8\n GgWm2UOTvBvtMeRL+6FRtSSzvdMzUUyUOiCqZxDfBzgTw+am9jxKtkg+aXKkiMfGBHpGba8wTZA\n DaRYw",
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    },
    "content": "Replace the custom audio logging infrastructure with standard QEMU\nerror reporting and tracing.\n\nNote the patch drops DEBUG_MISMATCH condition, and now always trace\nactual audio parameters.\n\nSigned-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>\nReviewed-by: Mark Cave-Ayland <mark.caveayland@nutanix.com>\n---\n audio/ossaudio.c   | 176 +++++++++++++++++++++++------------------------------\n audio/trace-events |   5 ++\n 2 files changed, 81 insertions(+), 100 deletions(-)",
    "diff": "diff --git a/audio/ossaudio.c b/audio/ossaudio.c\nindex d12c65dd0d7..81f49f9a7e7 100644\n--- a/audio/ossaudio.c\n+++ b/audio/ossaudio.c\n@@ -31,11 +31,10 @@\n #include \"qemu/host-utils.h\"\n #include \"qapi/error.h\"\n #include \"qemu/audio.h\"\n+#include \"qemu/error-report.h\"\n #include \"qom/object.h\"\n-#include \"trace.h\"\n-\n-#define AUDIO_CAP \"oss\"\n #include \"audio_int.h\"\n+#include \"trace.h\"\n \n #define TYPE_AUDIO_OSS \"audio-oss\"\n OBJECT_DECLARE_SIMPLE_TYPE(AudioOss, AUDIO_OSS)\n@@ -76,43 +75,40 @@ struct oss_params {\n     int fragsize;\n };\n \n-static void G_GNUC_PRINTF (2, 3) oss_logerr (int err, const char *fmt, ...)\n+static void G_GNUC_PRINTF(2, 3) oss_logerr(int err, const char *fmt, ...)\n {\n     va_list ap;\n \n-    va_start (ap, fmt);\n-    AUD_vlog (AUDIO_CAP, fmt, ap);\n-    va_end (ap);\n+    error_printf(\"oss: \");\n+    va_start(ap, fmt);\n+    error_vprintf(fmt, ap);\n+    va_end(ap);\n \n-    AUD_log (AUDIO_CAP, \"Reason: %s\\n\", strerror (err));\n+    error_printf(\" Reason: %s\\n\", strerror(err));\n }\n \n-static void G_GNUC_PRINTF (3, 4) oss_logerr2 (\n-    int err,\n-    const char *typ,\n-    const char *fmt,\n-    ...\n-    )\n+static void G_GNUC_PRINTF(3, 4) oss_logerr2(int err, const char *typ,\n+                                            const char *fmt, ...)\n {\n     va_list ap;\n \n-    AUD_log (AUDIO_CAP, \"Could not initialize %s\\n\", typ);\n+    error_printf(\"oss: Could not initialize %s: \", typ);\n \n-    va_start (ap, fmt);\n-    AUD_vlog (AUDIO_CAP, fmt, ap);\n-    va_end (ap);\n+    va_start(ap, fmt);\n+    error_vprintf(fmt, ap);\n+    va_end(ap);\n \n-    AUD_log (AUDIO_CAP, \"Reason: %s\\n\", strerror (err));\n+    error_printf(\" Reason: %s\\n\", strerror(err));\n }\n \n-static void oss_anal_close (int *fdp)\n+static void oss_anal_close(int *fdp)\n {\n     int err;\n \n-    qemu_set_fd_handler (*fdp, NULL, NULL, NULL);\n-    err = close (*fdp);\n+    qemu_set_fd_handler(*fdp, NULL, NULL, NULL);\n+    err = close(*fdp);\n     if (err) {\n-        oss_logerr (errno, \"Failed to close file(fd=%d)\\n\", *fdp);\n+        oss_logerr(errno, \"Failed to close file(fd=%d)\", *fdp);\n     }\n     *fdp = -1;\n }\n@@ -159,10 +155,7 @@ static int aud_to_ossfmt(AudioFormat fmt, bool big_endian)\n         return big_endian ? AFMT_U16_BE : AFMT_U16_LE;\n \n     default:\n-        dolog (\"Internal logic error: Bad audio format %d\\n\", fmt);\n-#ifdef DEBUG_AUDIO\n-        abort ();\n-#endif\n+        error_report(\"oss: Internal logic error: Bad audio format %d\", fmt);\n         return AFMT_U8;\n     }\n }\n@@ -201,27 +194,13 @@ static int oss_to_audfmt (int ossfmt, AudioFormat *fmt, int *endianness)\n         break;\n \n     default:\n-        dolog (\"Unrecognized audio format %d\\n\", ossfmt);\n+        error_report(\"oss: Unrecognized audio format %d\", ossfmt);\n         return -1;\n     }\n \n     return 0;\n }\n \n-#if defined DEBUG_MISMATCHES || defined DEBUG\n-static void oss_dump_info (struct oss_params *req, struct oss_params *obt)\n-{\n-    dolog (\"parameter | requested value | obtained value\\n\");\n-    dolog (\"format    |      %10d |     %10d\\n\", req->fmt, obt->fmt);\n-    dolog (\"channels  |      %10d |     %10d\\n\",\n-           req->nchannels, obt->nchannels);\n-    dolog (\"frequency |      %10d |     %10d\\n\", req->freq, obt->freq);\n-    dolog (\"nfrags    |      %10d |     %10d\\n\", req->nfrags, obt->nfrags);\n-    dolog (\"fragsize  |      %10d |     %10d\\n\",\n-           req->fragsize, obt->fragsize);\n-}\n-#endif\n-\n #ifdef USE_DSP_POLICY\n static int oss_get_version (int fd, int *version, const char *typ)\n {\n@@ -240,7 +219,7 @@ static int oss_get_version (int fd, int *version, const char *typ)\n             return 0;\n         }\n #endif\n-        oss_logerr2 (errno, typ, \"Failed to get OSS version\\n\");\n+        oss_logerr2(errno, typ, \"Failed to get OSS version\");\n         return -1;\n     }\n     return 0;\n@@ -269,7 +248,7 @@ static int oss_open(int in, struct oss_params *req, audsettings *as,\n \n     fd = open (dspname, oflags | O_NONBLOCK);\n     if (-1 == fd) {\n-        oss_logerr2 (errno, typ, \"Failed to open `%s'\\n\", dspname);\n+        oss_logerr2(errno, typ, \"Failed to open '%s'\", dspname);\n         return -1;\n     }\n \n@@ -281,23 +260,23 @@ static int oss_open(int in, struct oss_params *req, audsettings *as,\n         qapi_AudiodevOssPerDirectionOptions_base(opdo), as, 23220);\n \n     if (ioctl (fd, SNDCTL_DSP_SAMPLESIZE, &fmt)) {\n-        oss_logerr2 (errno, typ, \"Failed to set sample size %d\\n\", req->fmt);\n+        oss_logerr2(errno, typ, \"Failed to set sample size %d\", req->fmt);\n         goto err;\n     }\n \n     if (ioctl (fd, SNDCTL_DSP_CHANNELS, &nchannels)) {\n-        oss_logerr2 (errno, typ, \"Failed to set number of channels %d\\n\",\n-                     req->nchannels);\n+        oss_logerr2(errno, typ, \"Failed to set number of channels %d\",\n+                    req->nchannels);\n         goto err;\n     }\n \n     if (ioctl (fd, SNDCTL_DSP_SPEED, &freq)) {\n-        oss_logerr2 (errno, typ, \"Failed to set frequency %d\\n\", req->freq);\n+        oss_logerr2(errno, typ, \"Failed to set frequency %d\", req->freq);\n         goto err;\n     }\n \n     if (ioctl (fd, SNDCTL_DSP_NONBLOCK, NULL)) {\n-        oss_logerr2 (errno, typ, \"Failed to set non-blocking mode\\n\");\n+        oss_logerr2(errno, typ, \"Failed to set non-blocking mode\");\n         goto err;\n     }\n \n@@ -311,9 +290,9 @@ static int oss_open(int in, struct oss_params *req, audsettings *as,\n             if (version >= 0x040000) {\n                 int policy2 = policy;\n                 if (ioctl(fd, SNDCTL_DSP_POLICY, &policy2)) {\n-                    oss_logerr2 (errno, typ,\n-                                 \"Failed to set timing policy to %d\\n\",\n-                                 policy);\n+                    oss_logerr2(errno, typ,\n+                                \"Failed to set timing policy to %d\",\n+                                policy);\n                     goto err;\n                 }\n                 setfragment = 0;\n@@ -325,20 +304,20 @@ static int oss_open(int in, struct oss_params *req, audsettings *as,\n     if (setfragment) {\n         int mmmmssss = (req->nfrags << 16) | ctz32 (req->fragsize);\n         if (ioctl (fd, SNDCTL_DSP_SETFRAGMENT, &mmmmssss)) {\n-            oss_logerr2 (errno, typ, \"Failed to set buffer length (%d, %d)\\n\",\n-                         req->nfrags, req->fragsize);\n+            oss_logerr2(errno, typ, \"Failed to set buffer length (%d, %d)\",\n+                        req->nfrags, req->fragsize);\n             goto err;\n         }\n     }\n \n     if (ioctl (fd, in ? SNDCTL_DSP_GETISPACE : SNDCTL_DSP_GETOSPACE, &abinfo)) {\n-        oss_logerr2 (errno, typ, \"Failed to get buffer length\\n\");\n+        oss_logerr2(errno, typ, \"Failed to get buffer length\");\n         goto err;\n     }\n \n     if (!abinfo.fragstotal || !abinfo.fragsize) {\n-        AUD_log (AUDIO_CAP, \"Returned bogus buffer information(%d, %d) for %s\\n\",\n-                 abinfo.fragstotal, abinfo.fragsize, typ);\n+        error_report(\"oss: Returned bogus buffer information(%d, %d) for %s\",\n+                     abinfo.fragstotal, abinfo.fragsize, typ);\n         goto err;\n     }\n \n@@ -349,20 +328,13 @@ static int oss_open(int in, struct oss_params *req, audsettings *as,\n     obt->fragsize = abinfo.fragsize;\n     *pfd = fd;\n \n-#ifdef DEBUG_MISMATCHES\n-    if ((req->fmt != obt->fmt) ||\n-        (req->nchannels != obt->nchannels) ||\n-        (req->freq != obt->freq) ||\n-        (req->fragsize != obt->fragsize) ||\n-        (req->nfrags != obt->nfrags)) {\n-        dolog (\"Audio parameters mismatch\\n\");\n-        oss_dump_info (req, obt);\n-    }\n-#endif\n+    trace_oss_out_params(\n+        req->fmt, obt->fmt,\n+        req->nchannels, obt->nchannels,\n+        req->freq, obt->freq,\n+        req->nfrags, obt->nfrags,\n+        req->fragsize, obt->fragsize);\n \n-#ifdef DEBUG\n-    oss_dump_info (req, obt);\n-#endif\n     return 0;\n \n  err:\n@@ -378,7 +350,7 @@ static size_t oss_get_available_bytes(OSSVoiceOut *oss)\n \n     err = ioctl(oss->fd, SNDCTL_DSP_GETOPTR, &cntinfo);\n     if (err < 0) {\n-        oss_logerr(errno, \"SNDCTL_DSP_GETOPTR failed\\n\");\n+        oss_logerr(errno, \"SNDCTL_DSP_GETOPTR failed\");\n         return 0;\n     }\n \n@@ -459,8 +431,7 @@ static size_t oss_write(HWVoiceOut *hw, void *buf, size_t len)\n         bytes_written = write(oss->fd, pcm, len);\n         if (bytes_written < 0) {\n             if (errno != EAGAIN) {\n-                oss_logerr(errno, \"failed to write %zu bytes\\n\",\n-                           len);\n+                oss_logerr(errno, \"failed to write %zu bytes\", len);\n             }\n             return pos;\n         }\n@@ -474,18 +445,18 @@ static size_t oss_write(HWVoiceOut *hw, void *buf, size_t len)\n     return pos;\n }\n \n-static void oss_fini_out (HWVoiceOut *hw)\n+static void oss_fini_out(HWVoiceOut *hw)\n {\n     int err;\n-    OSSVoiceOut *oss = (OSSVoiceOut *) hw;\n+    OSSVoiceOut *oss = (OSSVoiceOut *)hw;\n \n-    ldebug (\"oss_fini\\n\");\n-    oss_anal_close (&oss->fd);\n+    trace_oss_fini_out();\n+    oss_anal_close(&oss->fd);\n \n     if (oss->mmapped && hw->buf_emul) {\n         err = munmap(hw->buf_emul, hw->size_emul);\n         if (err) {\n-            oss_logerr(errno, \"Failed to unmap buffer %p, size %zu\\n\",\n+            oss_logerr(errno, \"Failed to unmap buffer %p, size %zu\",\n                        hw->buf_emul, hw->size_emul);\n         }\n         hw->buf_emul = NULL;\n@@ -526,8 +497,8 @@ static int oss_init_out(HWVoiceOut *hw, struct audsettings *as)\n     oss->fragsize = obt.fragsize;\n \n     if (obt.nfrags * obt.fragsize % hw->info.bytes_per_frame) {\n-        dolog (\"warning: Misaligned DAC buffer, size %d, alignment %d\\n\",\n-               obt.nfrags * obt.fragsize, hw->info.bytes_per_frame);\n+        warn_report(\"oss: Misaligned DAC buffer, size %d, alignment %d\",\n+                    obt.nfrags * obt.fragsize, hw->info.bytes_per_frame);\n     }\n \n     hw->samples = (obt.nfrags * obt.fragsize) / hw->info.bytes_per_frame;\n@@ -544,20 +515,16 @@ static int oss_init_out(HWVoiceOut *hw, struct audsettings *as)\n             0\n             );\n         if (hw->buf_emul == MAP_FAILED) {\n-            oss_logerr(errno, \"Failed to map %zu bytes of DAC\\n\",\n-                       hw->size_emul);\n+            oss_logerr(errno, \"Failed to map %zu bytes of DAC\", hw->size_emul);\n             hw->buf_emul = NULL;\n         } else {\n             int trig = 0;\n             if (ioctl (fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {\n-                oss_logerr (errno, \"SNDCTL_DSP_SETTRIGGER 0 failed\\n\");\n+                oss_logerr(errno, \"SNDCTL_DSP_SETTRIGGER 0 failed\");\n             } else {\n                 trig = PCM_ENABLE_OUTPUT;\n-                if (ioctl (fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {\n-                    oss_logerr (\n-                        errno,\n-                        \"SNDCTL_DSP_SETTRIGGER PCM_ENABLE_OUTPUT failed\\n\"\n-                        );\n+                if (ioctl(fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {\n+                    oss_logerr(errno, \"SNDCTL_DSP_SETTRIGGER PCM_ENABLE_OUTPUT failed\");\n                 } else {\n                     oss->mmapped = 1;\n                 }\n@@ -566,7 +533,7 @@ static int oss_init_out(HWVoiceOut *hw, struct audsettings *as)\n             if (!oss->mmapped) {\n                 err = munmap(hw->buf_emul, hw->size_emul);\n                 if (err) {\n-                    oss_logerr(errno, \"Failed to unmap buffer %p size %zu\\n\",\n+                    oss_logerr(errno, \"Failed to unmap buffer %p size %zu\",\n                                hw->buf_emul, hw->size_emul);\n                 }\n                 hw->buf_emul = NULL;\n@@ -582,13 +549,14 @@ static int oss_init_out(HWVoiceOut *hw, struct audsettings *as)\n static void oss_enable_out(HWVoiceOut *hw, bool enable)\n {\n     int trig;\n-    OSSVoiceOut *oss = (OSSVoiceOut *) hw;\n+    OSSVoiceOut *oss = (OSSVoiceOut *)hw;\n     AudiodevOssPerDirectionOptions *opdo = oss->dev->u.oss.out;\n \n+    trace_oss_enable_out(enable);\n+\n     if (enable) {\n         hw->poll_mode = opdo->try_poll;\n \n-        ldebug(\"enabling voice\\n\");\n         if (hw->poll_mode) {\n             oss_poll_out(hw);\n         }\n@@ -601,12 +569,12 @@ static void oss_enable_out(HWVoiceOut *hw, bool enable)\n         trig = PCM_ENABLE_OUTPUT;\n         if (ioctl(oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {\n             oss_logerr(errno,\n-                       \"SNDCTL_DSP_SETTRIGGER PCM_ENABLE_OUTPUT failed\\n\");\n+                       \"SNDCTL_DSP_SETTRIGGER PCM_ENABLE_OUTPUT failed\");\n             return;\n         }\n     } else {\n         if (hw->poll_mode) {\n-            qemu_set_fd_handler (oss->fd, NULL, NULL, NULL);\n+            qemu_set_fd_handler(oss->fd, NULL, NULL, NULL);\n             hw->poll_mode = 0;\n         }\n \n@@ -614,10 +582,9 @@ static void oss_enable_out(HWVoiceOut *hw, bool enable)\n             return;\n         }\n \n-        ldebug (\"disabling voice\\n\");\n         trig = 0;\n-        if (ioctl (oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {\n-            oss_logerr (errno, \"SNDCTL_DSP_SETTRIGGER 0 failed\\n\");\n+        if (ioctl(oss->fd, SNDCTL_DSP_SETTRIGGER, &trig) < 0) {\n+            oss_logerr(errno, \"SNDCTL_DSP_SETTRIGGER 0 failed\");\n             return;\n         }\n     }\n@@ -654,9 +621,16 @@ static int oss_init_in(HWVoiceIn *hw, struct audsettings *as)\n     oss->nfrags = obt.nfrags;\n     oss->fragsize = obt.fragsize;\n \n+    trace_oss_in_params(\n+        req.fmt, obt.fmt,\n+        req.nchannels, obt.nchannels,\n+        req.freq, obt.freq,\n+        req.nfrags, obt.nfrags,\n+        req.fragsize, obt.fragsize);\n+\n     if (obt.nfrags * obt.fragsize % hw->info.bytes_per_frame) {\n-        dolog (\"warning: Misaligned ADC buffer, size %d, alignment %d\\n\",\n-               obt.nfrags * obt.fragsize, hw->info.bytes_per_frame);\n+        warn_report(\"oss: Misaligned ADC buffer, size %d, alignment %d\",\n+                    obt.nfrags * obt.fragsize, hw->info.bytes_per_frame);\n     }\n \n     hw->samples = (obt.nfrags * obt.fragsize) / hw->info.bytes_per_frame;\n@@ -690,7 +664,7 @@ static size_t oss_read(HWVoiceIn *hw, void *buf, size_t len)\n             case EAGAIN:\n                 break;\n             default:\n-                oss_logerr(errno, \"Failed to read %zu bytes of audio (to %p)\\n\",\n+                oss_logerr(errno, \"Failed to read %zu bytes of audio (to %p)\",\n                            len, dst);\n                 break;\n             }\n@@ -706,9 +680,11 @@ static size_t oss_read(HWVoiceIn *hw, void *buf, size_t len)\n \n static void oss_enable_in(HWVoiceIn *hw, bool enable)\n {\n-    OSSVoiceIn *oss = (OSSVoiceIn *) hw;\n+    OSSVoiceIn *oss = (OSSVoiceIn *)hw;\n     AudiodevOssPerDirectionOptions *opdo = oss->dev->u.oss.out;\n \n+    trace_oss_enable_in(enable);\n+\n     if (enable) {\n         hw->poll_mode = opdo->try_poll;\n \ndiff --git a/audio/trace-events b/audio/trace-events\nindex 79744456cec..f33be2dd8e3 100644\n--- a/audio/trace-events\n+++ b/audio/trace-events\n@@ -17,6 +17,11 @@ alsa_enable_in(bool enable) \"enable=%d\"\n \n # ossaudio.c\n oss_version(int version) \"OSS version = 0x%x\"\n+oss_out_params(int req_fmt, int obt_fmt, int req_channels, int obt_channels, int req_freq, int obt_freq, int req_nfrags, int obt_nfrags, int req_fragsize, int obt_fragsize) \"fmt=%d->%d, channels %d->%d, freq=%d->%d, nfrags=%d->%d, fragsize=%d->%d\"\n+oss_in_params(int req_fmt, int obt_fmt, int req_channels, int obt_channels, int req_freq, int obt_freq, int req_nfrags, int obt_nfrags, int req_fragsize, int obt_fragsize) \"fmt=%d->%d, channels %d->%d, freq=%d->%d, nfrags=%d->%d, fragsize=%d->%d\"\n+oss_fini_out(void) \"\"\n+oss_enable_out(bool enable) \"enable=%d\"\n+oss_enable_in(bool enable) \"enable=%d\"\n \n # dbusaudio.c\n dbus_audio_register(const char *s, const char *dir) \"sender = %s, dir = %s\"\n",
    "prefixes": [
        "65/85"
    ]
}