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h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=3zw7RgIHmRzWyGd6EO5zcTBCIt/jlSWGcXOaonLVl08=; b=VSmLf5/1SACpyeY6RYFUYZy2qo0MnOkDyRhaVhfsdRfaGkrX5o/fzckDT9czWHLQy5Ma+R Roi0drIxifOlcSXU/u0sP3waCVb0dzSOZtOEjwARA5K/7YhD17NrBohqxpnndGA1PFw+aQ 60c1l6Fq/DVkjUbRqLooIm86sw5erFA= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1662560642; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=3zw7RgIHmRzWyGd6EO5zcTBCIt/jlSWGcXOaonLVl08=; b=L6yGvTIX7e5x0G0b6eGKA0n5zotxx0ub23aESUzSgkeo6Ifksp9afkr8CHct/boDbENZXO tMPhJkWuJscPhKBQ== From: Claudio Fontana To: Gerd Hoffmann , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Christian Schoenebeck , Akihiko Odaki Cc: Claudio Fontana , qemu-devel@nongnu.org, Richard Henderson Subject: [PATCH] audio: add help option (?) for -audiodev Date: Wed, 7 Sep 2022 16:23:59 +0200 Message-Id: <20220907142359.31827-1-cfontana@suse.de> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=2001:67c:2178:6::1d; envelope-from=cfontana@suse.de; helo=smtp-out2.suse.de 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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @suse.de) X-ZM-MESSAGEID: 1662560747348100001 Content-Type: text/plain; charset="utf-8" add a simple help option for -audiodev, so users can do qemu -audiodev ? to get the list of drivers available. Signed-off-by: Claudio Fontana --- audio/audio.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/audio/audio.c b/audio/audio.c index 4f4bb10cce..bd8c18c3cd 100644 --- a/audio/audio.c +++ b/audio/audio.c @@ -32,6 +32,7 @@ #include "qapi/qapi-visit-audio.h" #include "qemu/cutils.h" #include "qemu/module.h" +#include "qemu/help_option.h" #include "sysemu/sysemu.h" #include "sysemu/replay.h" #include "sysemu/runstate.h" @@ -2105,10 +2106,29 @@ static void audio_validate_opts(Audiodev *dev, Erro= r **errp) } } =20 +static void audio_help(void) +{ + int i; + + printf("Available audiodev types:\n"); + printf("none\n"); + + for (i =3D 0; audio_prio_list[i]; i++) { + audio_driver *driver =3D audio_driver_lookup(audio_prio_list[i]); + if (driver) { + printf("%s\n", driver->name); + } + } +} + void audio_parse_option(const char *opt) { Audiodev *dev =3D NULL; =20 + if (is_help_option(opt)) { + audio_help(); + exit(0); + } Visitor *v =3D qobject_input_visitor_new_str(opt, "driver", &error_fat= al); visit_type_Audiodev(v, NULL, &dev, &error_fatal); visit_free(v); --=20 2.26.2