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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1769538356; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=/cZUKddlupLighI/o9Jsls2yq4HB9P8QKW//U1lf5uk=; b=WnPBzovpwrlv5GpkCJiaf+3ByGsFgvVcNaxZBpwzKgcqyMajs94joCyZVw1wRP1W3S4y9S m0GzpgXJwGR4rFldX1ERsl1KYiepd07xhaYa4jfVsqG3/TtqbxfeWD8p9/w9rGE4hRvAPN SuUHGJUZaRg8XJYJPx9towPSOWZbazA= X-MC-Unique: vRUVh-PoNIOM3u638rdw8A-1 X-Mimecast-MFC-AGG-ID: vRUVh-PoNIOM3u638rdw8A_1769538352 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Gerd Hoffmann , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Christian Schoenebeck Subject: [PATCH 05/43] audio/alsa: convert to QOM lifecycle methods Date: Tue, 27 Jan 2026 22:24:32 +0400 Message-ID: <20260127182516.289834-6-marcandre.lureau@redhat.com> In-Reply-To: <20260127182516.289834-1-marcandre.lureau@redhat.com> References: <20260127182516.289834-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.17 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1769538449110158500 From: Marc-Andr=C3=A9 Lureau Migrate the ALSA audio backend from the legacy driver init/fini callbacks to proper QOM realize method. The alsa_audio_init() function is replaced with audio_alsa_realize(), which performs the same ALSA option initialization before delegating to the parent class realize method. The empty alsa_audio_fini() is removed. The Audiodev pointer stored in ALSAVoiceOut and ALSAVoiceIn is removed as it can now be accessed through hw->s->dev. Signed-off-by: Marc-Andr=C3=A9 Lureau --- audio/alsaaudio.c | 43 ++++++++++++++++++++----------------------- 1 file changed, 20 insertions(+), 23 deletions(-) diff --git a/audio/alsaaudio.c b/audio/alsaaudio.c index e8541e1a2a3..42bfea2515d 100644 --- a/audio/alsaaudio.c +++ b/audio/alsaaudio.c @@ -40,19 +40,14 @@ #define TYPE_AUDIO_ALSA "audio-alsa" OBJECT_DECLARE_SIMPLE_TYPE(AudioALSA, AUDIO_ALSA) =20 +static AudioBackendClass *audio_alsa_parent_class; + struct AudioALSA { AudioMixengBackend parent; }; =20 static struct audio_driver alsa_audio_driver; =20 -static void audio_alsa_class_init(ObjectClass *klass, const void *data) -{ - AudioMixengBackendClass *k =3D AUDIO_MIXENG_BACKEND_CLASS(klass); - - k->driver =3D &alsa_audio_driver; -} - struct pollhlp { snd_pcm_t *handle; struct pollfd *pfds; @@ -65,14 +60,12 @@ typedef struct ALSAVoiceOut { HWVoiceOut hw; snd_pcm_t *handle; struct pollhlp pollhlp; - Audiodev *dev; } ALSAVoiceOut; =20 typedef struct ALSAVoiceIn { HWVoiceIn hw; snd_pcm_t *handle; struct pollhlp pollhlp; - Audiodev *dev; } ALSAVoiceIn; =20 struct alsa_params_req { @@ -707,7 +700,7 @@ static int alsa_init_out(HWVoiceOut *hw, struct audsett= ings *as, struct alsa_params_obt obt; snd_pcm_t *handle; struct audsettings obt_as; - Audiodev *dev =3D drv_opaque; + Audiodev *dev =3D hw->s->dev; =20 req.fmt =3D aud_to_alsafmt (as->fmt, as->endianness); req.freq =3D as->freq; @@ -727,7 +720,6 @@ static int alsa_init_out(HWVoiceOut *hw, struct audsett= ings *as, =20 alsa->pollhlp.s =3D hw->s; alsa->handle =3D handle; - alsa->dev =3D dev; return 0; } =20 @@ -766,7 +758,7 @@ static int alsa_voice_ctl (snd_pcm_t *handle, const cha= r *typ, int ctl) static void alsa_enable_out(HWVoiceOut *hw, bool enable) { ALSAVoiceOut *alsa =3D (ALSAVoiceOut *) hw; - AudiodevAlsaPerDirectionOptions *apdo =3D alsa->dev->u.alsa.out; + AudiodevAlsaPerDirectionOptions *apdo =3D hw->s->dev->u.alsa.out; =20 if (enable) { bool poll_mode =3D apdo->try_poll; @@ -794,7 +786,7 @@ static int alsa_init_in(HWVoiceIn *hw, struct audsettin= gs *as, void *drv_opaque) struct alsa_params_obt obt; snd_pcm_t *handle; struct audsettings obt_as; - Audiodev *dev =3D drv_opaque; + Audiodev *dev =3D hw->s->dev; =20 req.fmt =3D aud_to_alsafmt (as->fmt, as->endianness); req.freq =3D as->freq; @@ -814,7 +806,6 @@ static int alsa_init_in(HWVoiceIn *hw, struct audsettin= gs *as, void *drv_opaque) =20 alsa->pollhlp.s =3D hw->s; alsa->handle =3D handle; - alsa->dev =3D dev; return 0; } =20 @@ -871,7 +862,7 @@ static size_t alsa_read(HWVoiceIn *hw, void *buf, size_= t len) static void alsa_enable_in(HWVoiceIn *hw, bool enable) { ALSAVoiceIn *alsa =3D (ALSAVoiceIn *) hw; - AudiodevAlsaPerDirectionOptions *apdo =3D alsa->dev->u.alsa.in; + AudiodevAlsaPerDirectionOptions *apdo =3D hw->s->dev->u.alsa.in; =20 if (enable) { bool poll_mode =3D apdo->try_poll; @@ -901,7 +892,8 @@ static void alsa_init_per_direction(AudiodevAlsaPerDire= ctionOptions *apdo) } } =20 -static void *alsa_audio_init(Audiodev *dev, Error **errp) +static bool +audio_alsa_realize(AudioBackend *abe, Audiodev *dev, Error **errp) { AudiodevAlsaOptions *aopts; assert(dev->driver =3D=3D AUDIODEV_DRIVER_ALSA); @@ -929,11 +921,7 @@ static void *alsa_audio_init(Audiodev *dev, Error **er= rp) dev->u.alsa.in->buffer_length =3D 92880; } =20 - return dev; -} - -static void alsa_audio_fini (void *opaque) -{ + return audio_alsa_parent_class->realize(abe, dev, errp); } =20 static struct audio_pcm_ops alsa_pcm_ops =3D { @@ -953,8 +941,6 @@ static struct audio_pcm_ops alsa_pcm_ops =3D { =20 static struct audio_driver alsa_audio_driver =3D { .name =3D "alsa", - .init =3D alsa_audio_init, - .fini =3D alsa_audio_fini, .pcm_ops =3D &alsa_pcm_ops, .max_voices_out =3D INT_MAX, .max_voices_in =3D INT_MAX, @@ -962,6 +948,17 @@ static struct audio_driver alsa_audio_driver =3D { .voice_size_in =3D sizeof (ALSAVoiceIn) }; =20 +static void audio_alsa_class_init(ObjectClass *klass, const void *data) +{ + AudioBackendClass *b =3D AUDIO_BACKEND_CLASS(klass); + AudioMixengBackendClass *k =3D AUDIO_MIXENG_BACKEND_CLASS(klass); + + audio_alsa_parent_class =3D AUDIO_BACKEND_CLASS(object_class_get_paren= t(klass)); + + b->realize =3D audio_alsa_realize; + k->driver =3D &alsa_audio_driver; +} + static const TypeInfo audio_alsa_info =3D { .name =3D TYPE_AUDIO_ALSA, .parent =3D TYPE_AUDIO_MIXENG_BACKEND, --=20 2.52.0