diff options
| author | Takashi Iwai <tiwai@suse.de> | 2023-05-23 09:53:23 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2023-05-23 12:10:53 +0200 |
| commit | fb3bd1215909866d6105224abe1566fd52695859 (patch) | |
| tree | 48161e37c9de129d780a2531d7aa122ebaf860f9 /sound/core/rawmidi.c | |
| parent | 09b62892ddeeb38c11979979e3c65a14dba5fdc6 (diff) | |
ALSA: rawmidi: Add ioctl callback to snd_rawmidi_global_ops
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.
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20230523075358.9672-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core/rawmidi.c')
| -rw-r--r-- | sound/core/rawmidi.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c index 589b75087d27..ab28cfc1fac8 100644 --- a/sound/core/rawmidi.c +++ b/sound/core/rawmidi.c @@ -893,6 +893,7 @@ static int snd_rawmidi_ioctl_status64(struct snd_rawmidi_file *rfile, static long snd_rawmidi_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct snd_rawmidi_file *rfile; + struct snd_rawmidi *rmidi; void __user *argp = (void __user *)arg; rfile = file->private_data; @@ -984,8 +985,10 @@ static long snd_rawmidi_ioctl(struct file *file, unsigned int cmd, unsigned long } } default: - rmidi_dbg(rfile->rmidi, - "rawmidi: unknown command = 0x%x\n", cmd); + rmidi = rfile->rmidi; + if (rmidi->ops && rmidi->ops->ioctl) + return rmidi->ops->ioctl(rmidi, cmd, argp); + rmidi_dbg(rmidi, "rawmidi: unknown command = 0x%x\n", cmd); } return -ENOTTY; } |