| Commit message (Collapse) | Author | Age | Files | Lines |
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The recent refactoring of es1688 object creation with the use of
devres caused a problem with the non-PnP probe of GUS driver, as it
tries to probe multiple times with different parameters That is, this
object needs the immediate resource release and the devres doesn't fit
for it.
This patch reverts partially the commit for restoring the classic
resource management for es1688 object.
Fixes: 1bb11c1c7f6e ("ALSA: es1688: Allocate resources with device-managed APIs")
Reported-by: kernel test robot <oliver.sang@intel.com>
Link: https://lore.kernel.org/r/20210805032513.GA30485@xsang-OptiPlex-9020
Link: https://lore.kernel.org/r/20210805062148.30951-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This patch converts the resource management in ISA es1688 driver with
devres as a clean up. Each manual resource management is converted
with the corresponding devres helper. The remove callback became
superfluous and dropped.
This should give no user-visible functional changes.
Link: https://lore.kernel.org/r/20210715075941.23332-63-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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ISA ES1688 and WSS driver code contains a few assignments in if
condition, which is a bad coding style that may confuse readers and
occasionally lead to bugs.
This patch is merely for coding-style fixes, no functional changes.
Link: https://lore.kernel.org/r/20210608140540.17885-15-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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MODULE_SUPPORTED_DEVICE was added in pre-git era and never was
implemented. We can safely remove it, because the kernel has grown
to have many more reliable mechanisms to determine if device is
supported or not.
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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isa: Make the remove callback for isa drivers return void
Link: https://lore.kernel.org/r/20210122092449.426097-1-uwe@kleine-koenig.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The driver core ignores the return value of the remove callback, so
don't give isa drivers the chance to provide a value.
Adapt all isa_drivers with a remove callbacks accordingly; they all
return 0 unconditionally anyhow.
Acked-by: Marc Kleine-Budde <mkl@pengutronix.de> # for drivers/net/can/sja1000/tscan1.c
Acked-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Acked-by: Wolfram Sang <wsa@kernel.org> # for drivers/i2c/
Reviewed-by: Takashi Iway <tiwai@suse.de> # for sound/
Reviewed-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> # for drivers/media/
Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Link: https://lore.kernel.org/r/20210122092449.426097-4-uwe@kleine-koenig.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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strlcpy is deprecated. see: Documentation/process/deprecated.rst
Change the calls that do not use the strlcpy return value to the
preferred strscpy.
Done with cocci script:
@@
expression e1, e2, e3;
@@
- strlcpy(
+ strscpy(
e1, e2, e3);
This cocci script leaves the instances where the return value is
used unchanged.
After this patch, sound/ has 3 uses of strlcpy() that need to be
manually inspected for conversion and changed one day.
$ git grep -w strlcpy sound/
sound/usb/card.c: len = strlcpy(card->longname, s, sizeof(card->longname));
sound/usb/mixer.c: return strlcpy(buf, p->name, buflen);
sound/usb/mixer.c: return strlcpy(buf, p->names[index], buflen);
Miscellenea:
o Remove trailing whitespace in conversion of sound/core/hwdep.c
Link: https://lore.kernel.org/lkml/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@mail.gmail.com/
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/22b393d1790bb268769d0bab7bacf0866dcb0c14.camel@perches.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_es968_pnp_detect() misses a snd_card_free() in a failed path.
Add the missed function call to fix it.
Fixes: a20971b201ac ("ALSA: Merge es1688 and es968 drivers")
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200603092459.1424093-1-hslester96@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Apply const prefix to the static resource tables and init tables.
Just for minor optimization and no functional changes.
Link: https://lore.kernel.org/r/20200105144823.29547-48-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Most of snd_kcontrol_new definitions are read-only and passed as-is.
Let's declare them as const for further optimization.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-36-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Now we may declare const for snd_device_ops definitions, so let's do
it for optimization.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-8-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The driver invokes snd_pcm_period_elapsed() simply from the interrupt
handler. Set card->sync_irq for enabling the missing sync_stop PCM
operation.
Link: https://lore.kernel.org/r/20191210063454.31603-41-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_es1688_ioctl() does nothing but calling the default handler.
Now PCM core accepts NULL as the default ioctl ops(*), so let's drop
altogether.
(*) commit fc033cbf6fb7 ("ALSA: pcm: Allow NULL ioctl ops")
Link: https://lore.kernel.org/r/20191210061145.24641-7-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Clean up the driver with the new managed buffer allocation API.
The hw_params and hw_free callbacks became superfluous and got
dropped.
Link: https://lore.kernel.org/r/20191209094943.14984-13-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version this program is distributed in the
hope that it will be useful but without any warranty without even
the implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license for more details you
should have received a copy of the gnu general public license along
with this program if not write to the free software foundation inc
59 temple place suite 330 boston ma 02111 1307 usa
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 1334 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add SPDX license identifiers to all Make/Kconfig files which:
- Have no license information of any form
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:
GPL-2.0-only
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fixes gcc '-Wunused-but-set-variable' warning:
sound/isa/es1688/es1688_lib.c: In function 'snd_es1688_probe':
sound/isa/es1688/es1688_lib.c:124:31: warning:
variable 'hw' set but not used [-Wunused-but-set-variable]
unsigned short major, minor, hw;
^
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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We used to pass NULL to memory allocators for ISA devices due to
historical reasons. But we prefer rather a proper device object to be
assigned, so let's fix it by replacing snd_dma_isa_data() call with
card->dev reference, and kill snd_dma_isa_data() definition.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The call of snd_pcm_suspend_all() & co became superfluous since we
call it in the PCM PM ops. Let's remove them.
Reviewed-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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For a sake of code simplification, remove the init and the exit
entries that do nothing.
Notes for readers: actually it's OK to remove *both* init and exit,
but not OK to remove the exit entry. By removing only the exit while
keeping init, the module becomes permanently loaded; i.e. you cannot
unload it any longer!
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Pointer chip is being assigned but is never used hence it is
redundant and can be removed.
Cleans up clang warning:
warning: variable 'chip' set but not used [-Wunused-but-set-variable]
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Make these const as they are only used in a copy operation.
Done using Coccinelle.
Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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pnp_card_device_id are not supposed to change at runtime. All functions
working with pnp_card_device_id provided by <linux/pnp.h> work with
const pnp_card_device_id. So mark the non-const structs as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_pcm_ops are not supposed to change at runtime. All functions
working with snd_pcm_ops provided by <sound/pcm.h> work with
const snd_pcm_ops. So mark the non-const structs as const.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_pcm_hw_constraint_list(), *_ratnums() and *_ratdens() receive the
const pointers. Constify the corresponding static objects for better
hardening.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
Pull hw lockdown support from David Howells:
"Annotation of module parameters that configure hardware resources
including ioports, iomem addresses, irq lines and dma channels.
This allows a future patch to prohibit the use of such module
parameters to prevent that hardware from being abused to gain access
to the running kernel image as part of locking the kernel down under
UEFI secure boot conditions.
Annotations are made by changing:
module_param(n, t, p)
module_param_named(n, v, t, p)
module_param_array(n, t, m, p)
to:
module_param_hw(n, t, hwtype, p)
module_param_hw_named(n, v, t, hwtype, p)
module_param_hw_array(n, t, hwtype, m, p)
where the module parameter refers to a hardware setting
hwtype specifies the type of the resource being configured. This can
be one of:
ioport Module parameter configures an I/O port
iomem Module parameter configures an I/O mem address
ioport_or_iomem Module parameter could be either (runtime set)
irq Module parameter configures an I/O port
dma Module parameter configures a DMA channel
dma_addr Module parameter configures a DMA buffer address
other Module parameter configures some other value
Note that the hwtype is compile checked, but not currently stored (the
lockdown code probably won't require it). It is, however, there for
future use.
A bonus is that the hwtype can also be used for grepping.
The intention is for the kernel to ignore or reject attempts to set
annotated module parameters if lockdown is enabled. This applies to
options passed on the boot command line, passed to insmod/modprobe or
direct twiddling in /sys/module/ parameter files.
The module initialisation then needs to handle the parameter not being
set, by (1) giving an error, (2) probing for a value or (3) using a
reasonable default.
What I can't do is just reject a module out of hand because it may
take a hardware setting in the module parameters. Some important
modules, some ipmi stuff for instance, both probe for hardware and
allow hardware to be manually specified; if the driver is aborts with
any error, you don't get any ipmi hardware.
Further, trying to do this entirely in the module initialisation code
doesn't protect against sysfs twiddling.
[!] Note that in and of itself, this series of patches should have no
effect on the the size of the kernel or code execution - that is
left to a patch in the next series to effect. It does mark
annotated kernel parameters with a KERNEL_PARAM_FL_HWPARAM flag in
an already existing field"
* tag 'hwparam-20170420' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs: (38 commits)
Annotate hardware config module parameters in sound/pci/
Annotate hardware config module parameters in sound/oss/
Annotate hardware config module parameters in sound/isa/
Annotate hardware config module parameters in sound/drivers/
Annotate hardware config module parameters in fs/pstore/
Annotate hardware config module parameters in drivers/watchdog/
Annotate hardware config module parameters in drivers/video/
Annotate hardware config module parameters in drivers/tty/
Annotate hardware config module parameters in drivers/staging/vme/
Annotate hardware config module parameters in drivers/staging/speakup/
Annotate hardware config module parameters in drivers/staging/media/
Annotate hardware config module parameters in drivers/scsi/
Annotate hardware config module parameters in drivers/pcmcia/
Annotate hardware config module parameters in drivers/pci/hotplug/
Annotate hardware config module parameters in drivers/parport/
Annotate hardware config module parameters in drivers/net/wireless/
Annotate hardware config module parameters in drivers/net/wan/
Annotate hardware config module parameters in drivers/net/irda/
Annotate hardware config module parameters in drivers/net/hamradio/
Annotate hardware config module parameters in drivers/net/ethernet/
...
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When the kernel is running in secure boot mode, we lock down the kernel to
prevent userspace from modifying the running kernel image. Whilst this
includes prohibiting access to things like /dev/mem, it must also prevent
access by means of configuring driver modules in such a way as to cause a
device to access or modify the kernel image.
To this end, annotate module_param* statements that refer to hardware
configuration and indicate for future reference what type of parameter they
specify. The parameter parser in the core sees this information and can
skip such parameters with an error message if the kernel is locked down.
The module initialisation then runs as normal, but just sees whatever the
default values for those parameters is.
Note that we do still need to do the module initialisation because some
drivers have viable defaults set in case parameters aren't specified and
some drivers support automatic configuration (e.g. PNP or PCI) in addition
to manually coded parameters.
This patch annotates drivers in sound/isa/.
Suggested-by: Alan Cox <gnomes@lxorguk.ukuu.org.uk>
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Jaroslav Kysela <perex@perex.cz>
cc: Takashi Iwai <tiwai@suse.com>
cc: alsa-devel@alsa-project.org
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There is no point in using sprintf() without a format string when
strcpy() can perform the same operation.
Signed-off-by: Nicolas Iooss <nicolas.iooss_linux@m4x.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Nowadays it's recommended. Replace all in a shot.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_es1688_pcm() takes a pointer to a pointer of a PCM where if this
parameter is provided the newly allocated PCM is stored. This PCM is also
available from the pcm field of the snd_es1688 struct that got passed to the
same function. This patch updates all callers which passed a pointer to use
that field instead and then removes the parameter from the function. This
makes the code a bit shorter and cleaner.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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"release_and_free_resource"
The release_and_free_resource() function tests whether its argument is NULL
and then returns immediately. Thus the test around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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... and reduce the open codes. Also correct the array size and add
missing const.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Also remove superfluous snd_card_set_dev() calls.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Similarly like the previous commit for PCI drivers, remove
dev_set_drvdata(NULL) and pnp_set_drvdata(NULL) calls in ISA drivers
now.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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CONFIG_HOTPLUG is going away as an option. As result the __dev*
markings will be going away.
Remove use of __devinit, __devexit_p, __devinitdata, __devinitconst,
and __devexit.
Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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This will fix the following oops:
[ 6.169981] genirq: Flags mismatch irq 5. 00000000 (ES1688) vs. 00000000 (ES1688)
[ 6.170851] Pid: 1, comm: swapper Not tainted 3.5.0-00004-gceee0e9 #14
[ 6.170851] Call Trace:
[ 6.170851] [<c1062237>] ? __setup_irq+0x3c7/0x420
[ 6.170851] [<c1062486>] ? request_threaded_irq+0x76/0x140
[ 6.170851] [<c1290220>] ? snd_es1688_ioctl+0x10/0x10
[ 6.170851] [<c10624c2>] ? request_threaded_irq+0xb2/0x140
[ 6.170851] [<c1291196>] ? snd_es1688_create+0x96/0x330
[ 6.170851] [<c138365d>] ? snd_gusextreme_probe+0x18d/0x5a2
[ 6.170851] [<c11c9d80>] ? __driver_attach+0x80/0x80
[ 6.170851] [<c10db22f>] ? sysfs_create_link+0xf/0x20
[ 6.170851] [<c11c9d80>] ? __driver_attach+0x80/0x80
[ 6.170851] [<c11d1502>] ? isa_bus_probe+0x12/0x20
[ 6.170851] [<c11c9b95>] ? driver_probe_device+0x55/0x1c0
[ 6.170851] [<c13ae04f>] ? _raw_spin_unlock+0xf/0x30
[ 6.170851] [<c13705ea>] ? klist_next+0x6a/0xe0
[ 6.170851] [<c11d15c1>] ? isa_bus_match+0x21/0x40
[ 6.170851] [<c11c8a24>] ? bus_for_each_drv+0x34/0x70
[ 6.170851] [<c11c9e4b>] ? device_attach+0x7b/0x90
[ 6.170851] [<c11c9d80>] ? __driver_attach+0x80/0x80
[ 6.170851] [<c11c8bff>] ? bus_probe_device+0x5f/0x80
[ 6.170851] [<c11c7493>] ? device_add+0x573/0x620
[ 6.170851] [<c1042820>] ? complete_all+0x40/0x60
[ 6.170851] [<c13ae08a>] ? _raw_spin_unlock_irqrestore+0x1a/0x30
[ 6.170851] [<c11d16c6>] ? isa_register_driver+0xb6/0x150
[ 6.170851] [<c15c9002>] ? alsa_card_gusmax_init+0xf/0xf
[ 6.170851] [<c15a99bc>] ? do_one_initcall+0x7f/0x12b
[ 6.170851] [<c15a9b7a>] ? kernel_init+0x112/0x1a9
[ 6.170851] [<c15a9423>] ? do_early_param+0x77/0x77
[ 6.170851] [<c15a9a68>] ? do_one_initcall+0x12b/0x12b
[ 6.170851] [<c13aefbe>] ? kernel_thread_helper+0x6/0xd
[ 6.190170] es1688: can't grab IRQ 5
[ 6.190613] genirq: Flags mismatch irq 5. 00000000 (ES1688) vs. 00000000 (ES1688)
[ 6.191566] Pid: 1, comm: swapper Not tainted 3.5.0-00004-gceee0e9 #14
[ 6.192394] Call Trace:
[ 6.192685] [<c1062237>] ? __setup_irq+0x3c7/0x420
[ 6.193342] [<c1062486>] ? request_threaded_irq+0x76/0x140
[ 6.194081] [<c1290220>] ? snd_es1688_ioctl+0x10/0x10
[ 6.194607] [<c10624c2>] ? request_threaded_irq+0xb2/0x140
[ 6.194607] [<c1291196>] ? snd_es1688_create+0x96/0x330
[ 6.194607] [<c138365d>] ? snd_gusextreme_probe+0x18d/0x5a2
[ 6.194607] [<c11c9d80>] ? __driver_attach+0x80/0x80
[ 6.194607] [<c10db22f>] ? sysfs_create_link+0xf/0x20
[ 6.194607] [<c11c9d80>] ? __driver_attach+0x80/0x80
[ 6.194607] [<c11d1502>] ? isa_bus_probe+0x12/0x20
[ 6.194607] [<c11c9b95>] ? driver_probe_device+0x55/0x1c0
[ 6.194607] [<c13ae04f>] ? _raw_spin_unlock+0xf/0x30
[ 6.194607] [<c13705ea>] ? klist_next+0x6a/0xe0
[ 6.194607] [<c11d15c1>] ? isa_bus_match+0x21/0x40
[ 6.194607] [<c11c8a24>] ? bus_for_each_drv+0x34/0x70
[ 6.194607] [<c11c9e4b>] ? device_attach+0x7b/0x90
[ 6.194607] [<c11c9d80>] ? __driver_attach+0x80/0x80
[ 6.194607] [<c11c8bff>] ? bus_probe_device+0x5f/0x80
[ 6.194607] [<c11c7493>] ? device_add+0x573/0x620
[ 6.194607] [<c1042820>] ? complete_all+0x40/0x60
[ 6.194607] [<c13ae08a>] ? _raw_spin_unlock_irqrestore+0x1a/0x30
[ 6.194607] [<c11d16c6>] ? isa_register_driver+0xb6/0x150
[ 6.194607] [<c15c9002>] ? alsa_card_gusmax_init+0xf/0xf
[ 6.194607] [<c15a99bc>] ? do_one_initcall+0x7f/0x12b
[ 6.194607] [<c15a9b7a>] ? kernel_init+0x112/0x1a9
[ 6.194607] [<c15a9423>] ? do_early_param+0x77/0x77
[ 6.194607] [<c15a9a68>] ? do_one_initcall+0x12b/0x12b
[ 6.194607] [<c13aefbe>] ? kernel_thread_helper+0x6/0xd
[ 6.210779] es1688: can't grab IRQ 5
[ 6.211305] gusextreme: probe of gusextreme.0 failed with error -16
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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module_param(bool) used to counter-intuitively take an int. In
fddd5201 (mid-2009) we allowed bool or int/unsigned int using a messy
trick.
It's time to remove the int/unsigned int option. For this version
it'll simply give a warning, but it'll break next kernel version.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Lots of sound drivers were getting module.h via the implicit presence
of it in <linux/device.h> but we are going to clean that up. So
fix up those users now.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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The implicit presence of module.h lured several users into
incorrectly thinking that they only needed/used modparam.h
but once we clean up the module.h presence, these will show
up as build failures, so fix 'em now.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Since commit [e58aa3d2: genirq: Run irq handlers with interrupts disabled],
We run all interrupt handlers with interrupts disabled
and we even check and yell when an interrupt handler
returns with interrupts enabled (see commit [b738a50a:
genirq: Warn when handler enables interrupts]).
So now this flag is a NOOP and can be removed.
Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The semantics of snd_mpu401_uart_new()'s interrupt parameters are
somewhat counterintuitive: To prevent the function from allocating its
own interrupt, either the irq number must be invalid, or the irq_flags
parameter must be zero. At the same time, the irq parameter being
invalid specifies that the mpu401 code has to work without an interrupt
allocated by the caller. This implies that, if there is an interrupt
and it is allocated by the caller, the irq parameter must be set to
a valid-looking number which then isn't actually used.
With the removal of IRQF_DISABLED, zero becomes a valid irq_flags value,
which forces us to handle the parameters differently.
This patch introduces a new flag MPU401_INFO_IRQ_HOOK for when the
device interrupt is handled by the caller, and makes the allocation of
the interrupt to depend only on the irq parameter. As suggested by
Takashi, the irq_flags parameter was dropped because, when used, it had
the constant value IRQF_DISABLED.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Smatch complains that if (dev == SNDRV_CARDS) we're one past the end of
the array. That's unlikely to happen in real life, I suppose.
Also smatch complains about "strcpy(card->shortname, pcm->name);"
The "pcm->name" buffer is 80 characters and "card->shortname" is 32
characters. If you follow the call paths it turns out we never actually
use more than 16 characters so it's not a problem. But anyway, let's
make it easy for people auditing this in the future.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The ESS ES968 chip is nothing more then a PnP companion
for a non-PnP audio chip. It was paired with non-PnP ESS' chips:
ES688 and ES1688. The ESS' audio chips are handled by the es1688
driver in native mode. The PnP cards are handled by the ES968
driver in SB compatible mode.
Move the ES968 chip handling to the es1688 driver so the driver
can handle both PnP and non-PnP cards. The es968 is removed.
Also, a new PnP id is added for the card I acquired (the change
was tested on this card).
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Allocate the snd_es1688 during the snd_card allocation.
This allows to remove the card pointer from the snd_es1688 structure.
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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To avoid confusion in control names for the standard analog PC Beep generator
using a small Internal PC Speaker, rename all related "PC Speaker" and "PC
Beep" controls to "Beep" only. This name is more universal and can be also
used on more platforms without confusion.
Introduce also "Internal Speaker" in ControlNames.txt for systems with
full-featured build-in internal speaker.
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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3 ISA sound drivers lack their __devexit_p() markers, which would
cause build failures when the kernel is built without hotplug support.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Convert from snd_card_new() to the new snd_card_create() function.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The ess1688 driver uses the same port
for PCM audio (SB compatible) and OPL3
synthesis. It is not always right so allow to
choose a different port for OPL3 synthesis.
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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