| Message ID | 20230519093114.28813-3-tiwai@suse.de |
|---|---|
| State | New |
| Headers | show |
| Series | ALSA: Add MIDI 2.0 support | expand |
On 19. 05. 23 11:30, Takashi Iwai wrote: > 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 <tiwai@suse.de> Reviewed-by: Jaroslav Kysela <perex@perex.cz>
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); }
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 <tiwai@suse.de> --- include/sound/rawmidi.h | 3 +++ sound/core/rawmidi.c | 2 ++ 2 files changed, 5 insertions(+)