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Apply const prefix to each possible place: the static tables for
registers and bits, the quirk tables, etc.
Just for minor optimization and no functional changes.
Link: https://lore.kernel.org/r/20200105144823.29547-11-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Apply const prefix to the remaining possible places: the string
tables, the rate tables, the verb tables, the index tables, etc.
Just for minor optimization and no functional changes.
Link: https://lore.kernel.org/r/20200105144823.29547-10-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Apply const prefix to more places: the static tables for PCM
definitions, the register tables, etc.
Just for minor optimization and no functional changes.
Link: https://lore.kernel.org/r/20200105144823.29547-9-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Apply const prefix to every possible place: the static tables for DSP
commands, the string tables, and register/offset tables.
Just for minor optimization and no functional changes.
Link: https://lore.kernel.org/r/20200105144823.29547-8-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Apply const prefix to the remaining sequencer code: the static tables
for MIDI macros, RPN/NRPN, and some strings.
Just for minor optimization and no functional changes.
Link: https://lore.kernel.org/r/20200105144823.29547-7-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Apply const prefix to more possible places: the string tables for PCM
format and co, the table for the PCM type helpers, etc.
Just for minor optimization and no functional changes.
Link: https://lore.kernel.org/r/20200105144823.29547-6-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Apply const prefix to every possible place: mostly for declaring the
dummy hardware models.
Just for minor optimization and no functional changes.
Link: https://lore.kernel.org/r/20200105144823.29547-5-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Apply const prefix to each coef table array.
Just for minor optimization and no functional changes.
Link: https://lore.kernel.org/r/20200105144823.29547-4-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Apply const prefix at every place where appropriate: the static
register tables, the volume tables and the callback tables.
Just for minor optimization and no functional changes.
Link: https://lore.kernel.org/r/20200105144823.29547-3-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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For consistency reason, make all hex numbers with lower alphabets for
USB ID entries. It improves grep-ability and reduces careless
mistakes.
Link: https://lore.kernel.org/r/20200105081900.21870-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Merge 5.5-rc devel branch back for applying the conflicting USB-audio
fix.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Dell E7xx laptops have also mic mute LED that is driven by the
dell-laptop platform driver. Bind it with the capture control as
already done for other models.
A caveat is that the fixup hook for the mic mute LED has to be applied
at last, otherwise it results in the invalid override of the callback.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=205529
Link: https://lore.kernel.org/r/20200105081119.21396-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Bose Companion 5 (with USB ID 05a7:1020) doesn't seem supporting
reading back the sample rate, so the existing quirk is needed.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=206063
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200104110936.14288-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Remove unused variables that are left over after the conversion of new
PCM ops:
sound/sh/sh_dac_audio.c:166:26: warning: unused variable 'runtime'
sound/sh/sh_dac_audio.c:186:26: warning: unused variable 'runtime'
sound/sh/sh_dac_audio.c:205:26: warning: unused variable 'runtime'
Fixes: 1cc2f8ba0b3e ("ALSA: sh: Convert to the new PCM ops")
Link: https://lore.kernel.org/r/20200104110057.13875-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The current implementation of ALSA control API fully relies on the
callbacks of each driver, and there is no verification of the values
passed via API. This patch is an attempt to improve the situation
slightly by adding the validation code for the values stored via info
and get callbacks.
The patch adds a new kconfig, CONFIG_SND_CTL_VALIDATION. It depends
on CONFIG_SND_DEBUG and off as default since the validation would
require a slight overhead including the additional call of info
callback at each get callback invocation.
When this config is enabled, the values stored by each info callback
invocation are verified, namely:
- Whether the info type is valid
- Whether the number of enum items is non-zero
- Whether the given info count is within the allowed boundary
Similarly, the values stored at each get callback are verified as
well:
- Whether the values are within the given range
- Whether the values are aligned with the given step
- Whether any further changes are seen in the data array over the
given info count
The last point helps identifying a possibly invalid data type access,
typically a case where the info callback declares the type being
SNDRV_CTL_ELEM_TYPE_ENUMERATED while the get/put callbacks store
the values in value.integer.value[] array.
When a validation fails, the ALSA core logs an error message including
the device and the control ID, and the API call also returns an
error. So, with the new validation turned on, the driver behavior
difference may be visible on user-space, too -- it's intentional,
though, so that we can catch an error more clearly.
The patch also introduces a new ctl access type,
SNDRV_CTL_ELEM_ACCESS_SKIP_CHECK. A driver may pass this flag with
other access bits to indicate that the ctl element won't be verified.
It's useful when a driver code is specially written to access the data
greater than info->count size by some reason. For example, this flag
is actually set now in HD-audio HDMI codec driver which needs to clear
the data array in the case of the disconnected monitor.
Also, the PCM channel-map helper code is slightly modified to avoid
the false-positive hit by this validation code, too.
Link: https://lore.kernel.org/r/20200104083556.27789-1-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Add ALCS1200A supported.
It was similar as ALC900.
Signed-off-by: Kailang Yang <kailang@realtek.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/a9bd3cdaa02d4fa197623448d5c51e50@realtek.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Make hda_nid_t tables static const, as they are not intended to be
modified by callees.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Link: https://lore.kernel.org/r/5150c94101c9534f4c8e987324f6912c16d459f6.1578043216.git.mirq-linux@rere.qmqm.pl
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The snd_pci_quirk tables are referred as read-only, hence they can be
declared as const gracefully.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-59-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The snd_pci_quirk tables are referred as read-only, hence they can be
declared as const gracefully.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-58-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The snd_fm801_tea575x_gpios table is referred as read-only, hence it
can be declared as const gracefully.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-57-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The snd_es1968_tea575x_gpios table is referred as read-only, hence it
can be declared as const gracefully.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-56-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The snd_emu_chip_details definitions are referred as read-only, hence
they can be declared as const gracefully.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-55-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The snd_bt87x_boards array is referred as read-only, hence it can be
declared as const gracefully.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-54-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The snd_seq_oss_callback items are just copied to another struct
as-is, hence they can be declared as const.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-53-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The quirk entries used in us122l and usx2y drivers can be declared as
const as they are read-only.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-52-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The snd_ratden definitions used in line6 drivers are all read-only, so
they can be marked as const.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-51-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The tables defined in wm8766.c and wm8776.c are referred as read-only,
hence they can be declared as const gracefully.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-50-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The snd_ice1712_card_info objects are referred only as read-only.
Let's make them const for further optimization.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-49-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The snd_ca0106_details table entries are referred only as read-only.
Let's make them const.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-48-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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snd_ca0106_con_category array is read-only and can be marked as const.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-47-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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One snd_ac97_res_table definition remains forgotten without const.
Let's add it for a bit of optimization.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-46-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The snd_opl3_drum_voice items are all read-only, hence they can be
declared as const.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-45-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The snd_pcm_ops items defined in snd-dummy driver can be gracefully
declared as const. Let's mark them for further optimization.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-44-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/20200103081714.9560-43-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/20200103081714.9560-42-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/20200103081714.9560-41-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/20200103081714.9560-40-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/20200103081714.9560-39-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/20200103081714.9560-38-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/20200103081714.9560-37-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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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/20200103081714.9560-35-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.
Constify snd_kcontrol_new items
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-34-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/20200103081714.9560-33-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The snd_mixer_oss_assign_table is read-only, and can it be declared as
const.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-32-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Both snd_vx_hardware and snd_vx_ops are only referred without
modification, hence they can be constified gracefully for further
optimizations.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-31-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Change the argument of snd_midi_process_event() to receive a const
snd_midi_op pointer and its callers respectively. This allows further
optimizations.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-30-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The reference to snd_info_entry_ops is rather read-only, so declare it
as a const pointer. This allows a bit more optimization.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-29-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Now snd_ac97_bus() takes the const ops pointer, so we can define the
snd_ac97_bus_ops locally as const as well for further optimization.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-28-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Now snd_ac97_bus() takes the const ops pointer, so we can define the
snd_ac97_bus_ops locally as const as well for further optimization.
There should be no functional changes by this patch.
Link: https://lore.kernel.org/r/20200103081714.9560-27-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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