diff options
| author | Takashi Iwai <tiwai@suse.de> | 2024-07-22 15:59:28 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2024-07-22 16:17:40 +0200 |
| commit | 9a4ab167cfb1dea1df0c0c948205a62c7eb3b85b (patch) | |
| tree | 9cd44533f0d87ddd0c057f1ee62810c6063a31be /sound/core | |
| parent | 21451dfd853e7d8e6e3fbd7ef1fbdb2f2ead12f5 (diff) | |
ALSA: ump: Don't update FB name for static blocks
When a device tries to update the FB name string even if its Endpoint
is declared as static, we should skip it, just already done for the FB
info update reply.
Fixes: 37e0e14128e0 ("ALSA: ump: Support UMP Endpoint and Function Block parsing")
Cc: <stable@vger.kernel.org>
Link: https://patch.msgid.link/20240722135929.8612-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/core')
| -rw-r--r-- | sound/core/ump.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/core/ump.c b/sound/core/ump.c index 3f61220c23b4..b325fcfa77d0 100644 --- a/sound/core/ump.c +++ b/sound/core/ump.c @@ -806,6 +806,13 @@ static int ump_handle_fb_name_msg(struct snd_ump_endpoint *ump, if (!fb) return -ENODEV; + if (ump->parsed && + (ump->info.flags & SNDRV_UMP_EP_INFO_STATIC_BLOCKS)) { + ump_dbg(ump, "Skipping static FB name update (blk#%d)\n", + fb->info.block_id); + return 0; + } + ret = ump_append_string(ump, fb->info.name, sizeof(fb->info.name), buf->raw, 3); /* notify the FB name update to sequencer, too */ |