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Fri, 19 May 2023 09:31:30 +0000 From: Takashi Iwai To: alsa-devel@alsa-project.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH 02/36] ALSA: rawmidi: Add ioctl callback to snd_rawmidi_global_ops Date: Fri, 19 May 2023 11:30:40 +0200 Message-Id: <20230519093114.28813-3-tiwai@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230519093114.28813-1-tiwai@suse.de> References: <20230519093114.28813-1-tiwai@suse.de> MIME-Version: 1.0 Message-ID-Hash: BUBG7GENBC4QB6FMY34H6KET74ZHZOEP X-Message-ID-Hash: BUBG7GENBC4QB6FMY34H6KET74ZHZOEP X-MailFrom: tiwai@suse.de X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.8 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: <> List-Archive: <> List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: A new callback, ioctl, is added to snd_rawmidi_global_ops for allowing the driver to deal with the own ioctls. This is another preparation patch for the upcoming UMP support. Signed-off-by: Takashi Iwai Reviewed-by: Jaroslav Kysela --- include/sound/rawmidi.h | 3 +++ sound/core/rawmidi.c | 2 ++ 2 files changed, 5 insertions(+) diff --git a/include/sound/rawmidi.h b/include/sound/rawmidi.h index 52b1cbfb2526..a53cd063412c 100644 --- a/include/sound/rawmidi.h +++ b/include/sound/rawmidi.h @@ -32,6 +32,7 @@ struct snd_rawmidi; struct snd_rawmidi_substream; +struct snd_rawmidi_file; struct snd_seq_port_info; struct pid; @@ -47,6 +48,8 @@ struct snd_rawmidi_global_ops { int (*dev_unregister) (struct snd_rawmidi * rmidi); void (*get_port_info)(struct snd_rawmidi *rmidi, int number, struct snd_seq_port_info *info); + long (*ioctl)(struct snd_rawmidi_file *rfile, unsigned int cmd, + void __user *argp); }; struct snd_rawmidi_runtime { diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c index 589b75087d27..1415f559b5d0 100644 --- a/sound/core/rawmidi.c +++ b/sound/core/rawmidi.c @@ -984,6 +984,8 @@ static long snd_rawmidi_ioctl(struct file *file, unsigned int cmd, unsigned long } } default: + if (rfile->rmidi->ops && rfile->rmidi->ops->ioctl) + return rfile->rmidi->ops->ioctl(rfile, cmd, argp); rmidi_dbg(rfile->rmidi, "rawmidi: unknown command = 0x%x\n", cmd); }