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The dw_configure_dai_by_dt() function and further dev->{play,capture} _dma_data.dt data structures seem to be used in this driver only in case of a system using devicetree, thus chan_name assignments have no effect since they will be ignored in dmaengine_pcm_request_chan_of() call and will be substituted with values taken form dmaengine_pcm_dma_channel_names[] table ("tx", "rx"). Also there is no any "TX", "RX" dma-names entries in arch/arm/boot/dts, only lower case "tx", "rx" seem to be used. Lastly, this driver doesn't set SND_DMAENGINE_PCM_FLAG_CUSTOM_CHANNEL_NAME flag when registering a dmaengine PCM to indicate the chan_name should be used. My intention is to eventually remove the struct snd_dmaengine_dai_dma_data chan_name field as there is also a chan_names[] field in struct snd_dmaengine_pcm_config which can be used for same purpose. Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Mark Brown <broonie@kernel.org> |
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designware_i2s.c | ||
designware_pcm.c | ||
Kconfig | ||
local.h | ||
Makefile |