- 06 6月, 2014 1 次提交
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由 Lars-Peter Clausen 提交于
When the SigmaDSP module is built-in, but the I2C core is build as a module we'll get a undefined reference: sound/built-in.o: In function `sigma_action_write_i2c': :(.text+0x5d8d4): undefined reference to `i2c_master_send' This can happen if a audio driver that is using the regmap SigmaDSP interface is built into the kernel, but core I2C support is build as a module. To fix this split the SigmaDSP module into three modules, one module providing the core infrastructure and two small modules implementing the regmap and I2C interfaces. This allows e.g. the core infrastructure and regmap support to be built into the kernel while I2C support can still be build as a module. Fixes: dab464b6 ("ASoC: Add ADAU1361/ADAU1761 audio CODEC support") Reported-by: NArnd Bergmann <arnd@arndb.de> Signed-off-by: NLars-Peter Clausen <lars@metafoo.de> Signed-off-by: NMark Brown <broonie@linaro.org>
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- 29 11月, 2011 5 次提交
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由 Lars-Peter Clausen 提交于
Add support for loading the SigmaDSP firmware using regmap. This allows us to transparently use SPI or I2C as the transport protocol on devices which support them. For now we keep the old I2C support since we have one user of this which is not straight forward to convert to regmap, due to variable length registers. Signed-off-by: NLars-Peter Clausen <lars@metafoo.de> Acked-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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由 Lars-Peter Clausen 提交于
Move the structs and functions only used by SigmaDSP firmware loader itself from the header to the C file. Signed-off-by: NLars-Peter Clausen <lars@metafoo.de> Acked-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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由 Lars-Peter Clausen 提交于
It has been pointed out previously, that the firmware subsystem is not the right place for the SigmaDSP firmware loader. Furthermore the SigmaDSP is currently only used in audio products and we are aiming for better integration into the ASoC framework in the future, with support for ALSA controls for firmware parameters and support dynamic power management as well. So the natural choice for the SigmaDSP firmware loader is the ASoC subsystem. Signed-off-by: NLars-Peter Clausen <lars@metafoo.de> Acked-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
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由 Lars-Peter Clausen 提交于
Currently the SigmaDSP firmware loader only works correctly on little-endian systems. Fix this by using the proper endianess conversion functions. Signed-off-by: NLars-Peter Clausen <lars@metafoo.de> Acked-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@kernel.org
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由 Lars-Peter Clausen 提交于
The SigmaDSP firmware loader currently does not perform enough boundary size checks when processing the firmware. As a result it is possible that a malformed firmware can cause an out of bounds memory access. This patch adds checks which ensure that both the action header and the payload are completely inside the firmware data boundaries before processing them. Signed-off-by: NLars-Peter Clausen <lars@metafoo.de> Acked-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@kernel.org
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- 23 3月, 2011 1 次提交
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由 Mike Frysinger 提交于
Analog Devices' SigmaStudio can produce firmware blobs for devices with these DSPs embedded (like some audio codecs). Allow these device drivers to easily parse and load them. Signed-off-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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