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ASoC: fsl-utils: Add fsl_asoc_xlate_tdm_slot_mask() support.

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This patch add fsl_asoc_xlate_tdm_slot_mask() support for utils.
For the some spcified DAI driver, this will be used to generate the
TDM slot TX/RX mask. And the TX/RX mask will use a 0 bit for an active
slot as default, and the default active bits are at the LSB of
the masks.

Signed-off-by: Xiubo Li <Li.Xiubo@freescale.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Xiubo Li
2014-03-21 14:17:13 +08:00
committed by Mark Brown
parent e5c2151483
commit 82535314a9
2 changed files with 30 additions and 1 deletions
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4
sound/soc/fsl/fsl_utils.h
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@ -22,5 +22,7 @@ int fsl_asoc_get_dma_channel(struct device_node *ssi_np, const char *name,
struct snd_soc_dai_link *dai,
unsigned int *dma_channel_id,
unsigned int *dma_id);
int fsl_asoc_xlate_tdm_slot_mask(unsigned int slots,
unsigned int *tx_mask,
unsigned int *rx_mask);
#endif /* _FSL_UTILS_H */