This is a note to let you know that I've just added the patch titled ALSA: ump: Update legacy substream names upon FB info update to the 6.6-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: alsa-ump-update-legacy-substream-names-upon-fb-info-.patch and it can be found in the queue-6.6 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 5182d79632c10ae484000c014ca9b83dab075f71 Author: Takashi Iwai <tiwai@xxxxxxx> Date: Fri Nov 29 10:45:44 2024 +0100 ALSA: ump: Update legacy substream names upon FB info update [ Upstream commit edad3f9519fcacb926d0e3f3217aecaf628a593f ] The legacy rawmidi substreams should be updated when UMP FB Info or UMP FB Name are received, too. Link: https://patch.msgid.link/20241129094546.32119-4-tiwai@xxxxxxx Signed-off-by: Takashi Iwai <tiwai@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/sound/core/ump.c b/sound/core/ump.c index bb94f119869a..4aec90dac07e 100644 --- a/sound/core/ump.c +++ b/sound/core/ump.c @@ -37,6 +37,7 @@ static int process_legacy_output(struct snd_ump_endpoint *ump, u32 *buffer, int count); static void process_legacy_input(struct snd_ump_endpoint *ump, const u32 *src, int words); +static void update_legacy_names(struct snd_ump_endpoint *ump); #else static inline int process_legacy_output(struct snd_ump_endpoint *ump, u32 *buffer, int count) @@ -47,6 +48,9 @@ static inline void process_legacy_input(struct snd_ump_endpoint *ump, const u32 *src, int words) { } +static inline void update_legacy_names(struct snd_ump_endpoint *ump) +{ +} #endif static const struct snd_rawmidi_global_ops snd_ump_rawmidi_ops = { @@ -850,6 +854,7 @@ static int ump_handle_fb_info_msg(struct snd_ump_endpoint *ump, fill_fb_info(ump, &fb->info, buf); if (ump->parsed) { snd_ump_update_group_attrs(ump); + update_legacy_names(ump); seq_notify_fb_change(ump, fb); } } @@ -882,6 +887,7 @@ static int ump_handle_fb_name_msg(struct snd_ump_endpoint *ump, /* notify the FB name update to sequencer, too */ if (ret > 0 && ump->parsed) { snd_ump_update_group_attrs(ump); + update_legacy_names(ump); seq_notify_fb_change(ump, fb); } return ret; @@ -1251,6 +1257,14 @@ static void fill_substream_names(struct snd_ump_endpoint *ump, } } +static void update_legacy_names(struct snd_ump_endpoint *ump) +{ + struct snd_rawmidi *rmidi = ump->legacy_rmidi; + + fill_substream_names(ump, rmidi, SNDRV_RAWMIDI_STREAM_INPUT); + fill_substream_names(ump, rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT); +} + int snd_ump_attach_legacy_rawmidi(struct snd_ump_endpoint *ump, char *id, int device) { @@ -1287,10 +1301,7 @@ int snd_ump_attach_legacy_rawmidi(struct snd_ump_endpoint *ump, rmidi->ops = &snd_ump_legacy_ops; rmidi->private_data = ump; ump->legacy_rmidi = rmidi; - if (input) - fill_substream_names(ump, rmidi, SNDRV_RAWMIDI_STREAM_INPUT); - if (output) - fill_substream_names(ump, rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT); + update_legacy_names(ump); ump_dbg(ump, "Created a legacy rawmidi #%d (%s)\n", device, id); return 0;