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Spotted by coverity CIDs 751505 and 751506.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The size of the register cache array is actually 6 instead of 7,
as it caches up to AK4114_REG_INT1_MASK. This resulted in unexpected
access out of array range, although most of them aren't so serious
(just reading one more byte on the stack at snd_ak4114_create()).
Also, the check of cache size was wrongly done by checking with
sizeof() instead of ARRAY_SIZE(). Fixed this together.
(And yes, hardcoded numbers are bad, but I keep the coding style as is
for making it clear what this patch actually does.)
Spotted by coverity among several CIDs, e.g. 711621.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Just pass the error code returned from copy_from_user_toio() and
copy_to_user_fromio() helpers.
Spotted by coverity CID 114119.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The variable runtime is never used, and this might be even a source of
NULL-dereference. Nothing better than killing it.
Spotted by coverity CID 100862.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The right attenuation bits aren't needed to be shifted.
Spotted by coverity CID 11427.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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We tend to make stupid mistakes with strncpy(). Let's take a safer
one, strlcpy().
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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When no proper id string is given, the driver tries to fall back to
copy the proc_root name string via strcpy(), but this might overflow
the fixed string size. Let's use strlcpy().
Spotted by coverity CID 139008.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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When nopcm=1 is set, some initializations based on hrtimer resolution
might be bogus because the driver checks the resolution only when
nopcm=0. Simply get the resolution always at first for fixing the
bug.
Spotted by coverity CID 139740.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Spotted by coverity CID 115196.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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dmab->area and addr fields should be cleared at the head of
snd_malloc_dev_iram() as especially dmab->area is used to indicate the
allocation failure / fallback.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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These are used only locally.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Correct spelling typo in documentation/alsa
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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module->name is a fixed array, so we can check the empty contents
straightforwardly in module_slot_match().
Spotted by coverity CID 1056786.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Just to improve readability.
Spotted by coverity CID 115002 and 115003.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Reported by coverity.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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... to improve the readability.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Fix a possible NULL access of indexp in fill_audio_out_name() called
from snd_hda_get_pin_label().
Spotted by coverity CID 402035.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The probe code of snd-usb-6fire driver overrides the devices[] pointer
wrongly without checking whether it's already occupied or not. This
would screw up the device disconnection later.
Spotted by coverity CID 141423.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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I obviously forgot to merge the right version...
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Use the standard PCM helper function to figure out the sample bytes
instead of hardcodec PCM format checks in
snd_hwparams_to_dma_slave_config().
The patch also extends the format check for 8 bytes formats although
no one should match so far.
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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As EAPD on NID 0x12 (speaker pin) is used as the master amp on
Thinkpads with AD1984A codec, we can hook this to vmaster for saving a
bit more power at master mute state.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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AD1984A codec has a couple of pins with EAPD controls, and the generic
codec driver tries to turn each of them on/off depending on the pin
active state. However, Thinkpads seem to use EAPD of the speaker pin
as a master EAPD for controlling the mute of all outputs, including
the headphone. This results in the dead headphone output via the
headphone plugging because it mutes the speaker and turns off EAPD.
The fix is to simply add spec->gen.keep_on_eapd flag.
[This is a regression fix on 3.12 where we moved the AD codec parser
to the generic parser. 3.11 and earlier didn't show this problem
because still static quirks have been used.]
Reported-and-tested-by: Vito Caputo <vcaputo@gnugeneration.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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The generic parser has a support of vmaster hook, but this is
initialized only in the init callback with the check of the presence
of the corresponding kctl. However, since kctl is NULL at the very
first init callback that is called before build_controls callback, the
vmaster hook sync is skipped there. Eventually this leads to the
uninitialized state depending on the hook implementation.
This patch adds a simple workaround, just calling the sync function
explicitly at build_controls callback.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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When a machine goes to S3/S4 after power-save is enabled, the runtime
PM refcount might be incorrectly decreased because the power-down
triggered soon after resume assumes that the controller was already
powered up, and issues the pm_notify down.
This patch fixes the incorrect pm_notify call simply by checking the
current value properly.
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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Help ensure that Lars-Peter gets CCed on dmaengine related patches by
adding a MAINTAINERS entry for the helpers.
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v3.12
A number of small, fairly unexciting, fixes for drivers - nothing stand
out.
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-next
ASoC: Updates for v3.13
- Further work on the dmaengine helpers, including support for
configuring the parameters for DMA by reading the capabilities of the
DMA controller which removes some guesswork and magic numbers fromm
drivers.
- A refresh of the documentation.
- Conversions of many drivers to direct regmap API usage in order to
allow the ASoC level register I/O code to be removed, this will
hopefully be completed by v3.14.
- Support for using async register I/O in DAPM, reducing the time taken
to implement power transitions on systems that support it.
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This is more idiomatic and is required for robust operation since we must
ensure that the clocking configuration is valid as rapidly as possible.
Signed-off-by: Mark Brown <broonie@linaro.org>
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This is more idiomatic and fixes bugs in the error handling paths.
Signed-off-by: Mark Brown <broonie@linaro.org>
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Since we no longer have a fake register to simulate we can use the
framework for I/O.
Signed-off-by: Mark Brown <broonie@linaro.org>
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Rather than using a fake register to manage input power create some supply
widgets and use those.
Signed-off-by: Mark Brown <broonie@linaro.org>
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By using the new virtual DAPM mixer controls it is possible to remove the
twl6040 specific implementation of virtual controls.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Redundant semicolon removed.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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By using the new virtual DAPM mixer controls it is possible to remove the
twl4030 specific implementation of virtual controls.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Add device tree support to tpa6130a2 driver and document the
bindings.
Signed-off-by: Sebastian Reichel <sre@debian.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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'of_match_ptr' is defined in linux/of.h. Include it explicitly.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
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