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a3fdc6749e
linux/sound/soc/fsl
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Nicolin Chen a3fdc6749e ASoC: fsl_sai: Improve enable flow in fsl_sai_trigger() 
The previous enable flow:
1, Enable TE&RE (SAI starts to consume tx FIFO and feed rx FIFO)
2, Mask IRQ of Tx/Rx to enable its interrupt.
3, Enable DMA request of Tx/Rx.

As this flow would enable DMA request later than TERE, the Tx FIFO
would be easily emptied into underrun while Rx FIFO would be easily
stuffed into overrun due to the delayed DMA transfering.

This issue happened merely occational before the patch 'ASoC: fsl_sai:
Reset FIFOs after disabling TE/RE' because there were useless data
remaining in the FIFO for the gap. However, it manifested after FIFO
reset's implemented.

After this patch, the new flow:
1, Enable DMA request of Tx/Rx.
2, Enable TE&RE (SAI starts to consume tx FIFO and feed rx FIFO)
3, Mask IRQ of Tx/Rx to enable its interrupt.

Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-07-25 18:52:35 +01:00
..
efika-audio-fabric.c ASoC: fsl: Add .owner to struct snd_soc_card 2011-12-22 17:34:32 +00:00
eukrea-tlv320.c ASoC: eukrea-tlv320: Add DT support. 2014-03-03 12:27:52 +08:00
fsl_dma.c ASoC: fsl: Don't set unused struct snd_pcm_hardware fields 2014-01-07 11:40:24 +00:00
fsl_dma.h
fsl_esai.c Merge remote-tracking branches 'asoc/topic/devm', 'asoc/topic/fsl', 'asoc/topic/fsl-esai', 'asoc/topic/fsl-sai', 'asoc/topic/fsl-spdif' and 'asoc/topic/fsl-ssi' into asoc-next 2014-05-22 00:23:51 +01:00
fsl_esai.h ASoC: fsl-esai: fix ESAI TDM slot setting 2014-02-10 13:39:18 +00:00
fsl_sai.c ASoC: fsl_sai: Improve enable flow in fsl_sai_trigger() 2014-07-25 18:52:35 +01:00
fsl_sai.h ASoC: fsl_sai: Add clock controls for SAI 2014-04-14 17:26:05 +01:00
fsl_spdif.c Merge remote-tracking branches 'asoc/topic/devm', 'asoc/topic/fsl', 'asoc/topic/fsl-esai', 'asoc/topic/fsl-sai', 'asoc/topic/fsl-spdif' and 'asoc/topic/fsl-ssi' into asoc-next 2014-05-22 00:23:51 +01:00
fsl_spdif.h ASoC: fsl_spdif: Rename all _div to _df 2014-05-05 12:27:39 -07:00
fsl_ssi_dbg.c ASoC: fsl-ssi: Move debugging to seperate file 2014-05-20 23:02:26 +01:00
fsl_ssi.c Merge branch 'topic/fsl' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-fsl-ssi 2014-06-01 14:02:07 +01:00
fsl_ssi.h ASoC: fsl-ssi: Use regmap 2014-06-01 11:55:08 +01:00
fsl_utils.c ASoC: fsl-utils: Add fsl_asoc_xlate_tdm_slot_mask() support. 2014-03-25 13:06:43 +00:00
fsl_utils.h ASoC: fsl-utils: Add fsl_asoc_xlate_tdm_slot_mask() support. 2014-03-25 13:06:43 +00:00
imx-audmux.c ASoC: imx-audmux: Fix section mismatch 2014-04-24 11:22:53 +01:00
imx-audmux.h ASoC: imx-audmux: Move definitions to dt-bindings 2013-08-16 11:05:17 +01:00
imx-mc13783.c ASoC: fsl: fix pm support of machine drivers 2014-02-10 13:18:37 +00:00
imx-pcm-dma.c ASoC: fsl: Drop formats limitation for imx-pcm-dma.c 2014-04-24 13:14:26 +01:00
imx-pcm-fiq.c ASoC: fsl: imx-pcm-fiq: Remove unneeded 'out' label 2014-02-24 14:41:15 +09:00
imx-pcm.h ASoC: fsl: Use devm_snd_dmaengine_pcm_register() 2013-12-02 11:48:54 +00:00
imx-sgtl5000.c ASoC: fsl: fix pm support of machine drivers 2014-02-10 13:18:37 +00:00
imx-spdif.c Merge remote-tracking branches 'asoc/topic/ad1836', 'asoc/topic/ad193x', 'asoc/topic/adav80x', 'asoc/topic/adsp', 'asoc/topic/ak4641', 'asoc/topic/ak4642', 'asoc/topic/arizona', 'asoc/topic/atmel', 'asoc/topic/au1x', 'asoc/topic/axi', 'asoc/topic/bcm2835', 'asoc/topic/blackfin', 'asoc/topic/cs4271', 'asoc/topic/cs42l52', 'asoc/topic/da7210', 'asoc/topic/davinci', 'asoc/topic/ep93xx', 'asoc/topic/fsl', 'asoc/topic/fsl-mxs', 'asoc/topic/generic', 'asoc/topic/hdmi', 'asoc/topic/jack', 'asoc/topic/jz4740', 'asoc/topic/max98090', 'asoc/topic/mxs', 'asoc/topic/omap', 'asoc/topic/pxa', 'asoc/topic/rcar', 'asoc/topic/s6000', 'asoc/topic/sai', 'asoc/topic/samsung', 'asoc/topic/sgtl5000', 'asoc/topic/spear', 'asoc/topic/ssm2518', 'asoc/topic/ssm2602', 'asoc/topic/tegra', 'asoc/topic/tlv320aic3x', 'asoc/topic/twl6040', 'asoc/topic/txx9', 'asoc/topic/uda1380', 'asoc/topic/width', 'asoc/topic/wm8510', 'asoc/topic/wm8523', 'asoc/topic/wm8580', 'asoc/topic/wm8711', 'asoc/topic/wm8728', 'asoc/topic/wm8731', 'asoc/topic/wm8741', 'asoc/topic/wm8750', 'asoc/topic/wm8753', 'asoc/topic/wm8776', 'asoc/topic/wm8804', 'asoc/topic/wm8900', 'asoc/topic/wm8901', 'asoc/topic/wm8940', 'asoc/topic/wm8962', 'asoc/topic/wm8974', 'asoc/topic/wm8985', 'asoc/topic/wm8988', 'asoc/topic/wm8990', 'asoc/topic/wm8991', 'asoc/topic/wm8994', 'asoc/topic/wm8995', 'asoc/topic/wm9081' and 'asoc/topic/x86' into asoc-next 2014-01-02 13:01:55 +00:00
imx-ssi.c ASoC: imx-ssi: Add .xlate_tdm_slot_mask() support. 2014-03-25 13:06:43 +00:00
imx-ssi.h ASoC: fsl: imx-ssi: omit ssi counter to avoid harm in unbalanced situation 2013-12-02 11:57:02 +00:00
imx-wm8962.c ASoC: fsl: fix pm support of machine drivers 2014-02-10 13:18:37 +00:00
Kconfig Merge remote-tracking branch 'asoc/topic/fsl-ssi' into asoc-next 2014-06-03 10:39:49 +01:00
Makefile ASoC: fsl-ssi: Move debugging to seperate file 2014-05-20 23:02:26 +01:00
mpc5200_dma.c ASoC: fsl: Don't set unused struct snd_pcm_hardware fields 2014-01-07 11:40:24 +00:00
mpc5200_dma.h ASoC: fsl: mpc5200 combine psc_dma platform data 2012-09-18 23:03:42 -04:00
mpc5200_psc_ac97.c drivers: clean-up prom.h implicit includes 2013-10-09 20:04:04 -05:00
mpc5200_psc_ac97.h
mpc5200_psc_i2s.c ASoC: fsl: Don't mix SNDRV_PCM_RATE_CONTINUOUS with specific rates 2014-01-14 20:42:26 +00:00
mpc8610_hpcd.c drivers: clean-up prom.h implicit includes 2013-10-09 20:04:04 -05:00
mx27vis-aic32x4.c ASoC: fsl: remove use of imx-pcm-audio from imx-ssi 2013-05-15 09:27:27 +04:00
p1022_ds.c drivers: clean-up prom.h implicit includes 2013-10-09 20:04:04 -05:00
p1022_rdk.c drivers: clean-up prom.h implicit includes 2013-10-09 20:04:04 -05:00
pcm030-audio-fabric.c ASoC: fsl: set correct platform drvdata in pcm030_fabric_probe() 2013-12-02 11:13:19 +00:00
phycore-ac97.c ASoC: fsl: remove use of imx-fiq-pcm-audio from imx-ssi 2013-05-15 09:27:27 +04:00
wm1133-ev1.c ASoC: wm1133-ev1: Convert to table based DAPM setup 2014-03-03 16:06:20 +08:00