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Andreas Steinmetz ca767cf015 ALSA: usb-audio: Fix case when USB MIDI interface has more than one extra endpoint descriptor 
[ Upstream commit 5c6cd7021a05a02fcf37f360592d7c18d4d807fb ]

The Miditech MIDIFACE 16x16 (USB ID 1290:1749) has more than one extra
endpoint descriptor.

The first extra descriptor is: 0x06 0x30 0x00 0x00 0x00 0x00

As the code in snd_usbmidi_get_ms_info() looks only at the
first extra descriptor to find USB_DT_CS_ENDPOINT the device
as such is recognized but there is neither input nor output
configured.

The patch iterates through the extra descriptors to find the
proper one. With this patch the device is correctly configured.

Signed-off-by: Andreas Steinmetz <ast@domdv.de>
Link: https://lore.kernel.org/r/1c3b431a86f69e1d60745b6110cdb93c299f120b.camel@domdv.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-10-01 13:17:52 +02:00
arch
KVM: LAPIC: Mark hrtimer for period or oneshot mode to expire in hard interrupt context
2020-10-01 13:17:45 +02:00
block
block: only call sched requeue_request() for scheduled requests
2020-09-23 12:40:37 +02:00
certs
PKCS#7: Refactor verify_pkcs7_signature()
2019-08-05 18:40:18 -04:00
crypto
crypto: af_alg - Work around empty control messages without MSG_MORE
2020-09-03 11:27:05 +02:00
Documentation
affs: fix basic permission bits to actually work
2020-09-09 19:12:34 +02:00
drivers
PCI: Use ioremap(), not phys_to_virt() for platform ROM
2020-10-01 13:17:51 +02:00
fs
ubifs: Fix out-of-bounds memory access caused by abnormal value of node_len
2020-10-01 13:17:51 +02:00
include
PCI: Use ioremap(), not phys_to_virt() for platform ROM
2020-10-01 13:17:51 +02:00
init
exec: Add exec_update_mutex to replace cred_guard_mutex
2020-10-01 13:17:47 +02:00
ipc
ipc/util.c: sysvipc_find_ipc() incorrectly updates position index
2020-05-20 08:20:16 +02:00
kernel
perf: Use new infrastructure to fix deadlocks in execve
2020-10-01 13:17:48 +02:00
lib
kernel/sysctl-test: Add null pointer test for sysctl.c:proc_dointvec()
2020-10-01 13:17:10 +02:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
mm: avoid data corruption on CoW fault into PFN-mapped VMA
2020-10-01 13:17:39 +02:00
net
netfilter: nf_tables: silence a RCU-list warning in nft_table_lookup()
2020-10-01 13:17:51 +02:00
samples
bpf: Fix fds_example SIGSEGV error
2020-08-19 08:16:03 +02:00
scripts
checkpatch: fix the usage of capture group ( ... )
2020-09-09 19:12:37 +02:00
security
selinux: sel_avc_get_stat_idx should increase position index
2020-10-01 13:17:32 +02:00
sound
ALSA: usb-audio: Fix case when USB MIDI interface has more than one extra endpoint descriptor
2020-10-01 13:17:52 +02:00
tools
selftests/ptrace: add test cases for dead-locks
2020-10-01 13:17:48 +02:00
usr
initramfs: restore default compression behavior
2020-04-08 09:08:38 +02:00
virt
KVM: fix overflow of zero page refcount with ksm running
2020-10-01 13:17:31 +02:00
.clang-format
clang-format: Update with the latest for_each macro list
2019-08-31 10:00:51 +02:00
.cocciconfig
…
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
…
.gitignore
Modules updates for v5.4
2019-09-22 10:34:46 -07:00
.mailmap
ARM: SoC fixes
2019-11-10 13:41:59 -08:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
MAINTAINERS: Remove Simon as Renesas SoC Co-Maintainer
2019-10-10 08:12:51 -07:00
Kbuild
kbuild: do not descend to ./Kbuild when cleaning
2019-08-21 21:03:58 +09:00
Kconfig
docs: kbuild: convert docs to ReST and rename to *.rst
2019-06-14 14:21:21 -06:00
MAINTAINERS
Documentation/llvm: add documentation on building w/ Clang/LLVM
2020-08-26 10:40:46 +02:00
Makefile
Linux 5.4.68
2020-09-26 18:03:16 +02:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
Description
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