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SubjectRe: [PATCH v3 00/17] ASoC: fsl_ssi: Clean up - program flow level
On Sun, Jan 14, 2018 at 8:21 PM, Nicolin Chen <nicoleotsuka@gmail.com> wrote:
> ==Change log==
> v3
> * Reworked the series by taking suggestions from Maciej
> + Added PATCH-01 to make RX and TX more clearly defined
> + Replaced "bool dir" with "int dir" in PATCH-04
> + Replaced "!dir" with "int adir" in PATCH-05
> + Put CBM_CFS behind the baudclk check to keep the same
> program flow in PATCH-14
> + Removed all cpu_dai_drv changes in PATCH-15
> v2
> * Reworked the series by taking suggestions from Maciej
> + Added PATCH-01 to keep all ssi->i2s_net updated
> + Replaced bool tx with bool dir in PATCH-03 and PATCH-06
> + Moved all initial register configurations from dai probe() to
> platform probe() so as to let AC97 CODEC successfully probe.
> * Added Tested-by from Caleb for TDM test cases.
>
> ==Background==
> The fsl_ssi driver was designed for PPC originally and then it has
> been updated to support different modes for i.MX Series, including
> SDMA, I2S Master mode, AC97 and older i.MXs with FIQ, by different
> contributors for different use cases in different coding styles.
>
> Additionally, in order to fix/work-around hardware bugs and design
> flaws, the driver made a lot of compromise so now its program flow
> looks very complicated and it's getting hard to maintain or update.
>
> So I am going to clean up the driver on both coding style level and
> program flow level.
>
> ==Introduction==
> This series of patches is the second set to clean up fsl_ssi driver
> in the program flow level. Any patch here may impact a fundamental
> test case like playback or record.
>
> ==Verification==
> This series of patches require fully tested. I have done such tests
> on i.MX6SoloX with WM8962 using imx_v6_v7_defconfig as:
> - Playback via I2S Master and Slave mode
> - Record via I2S Master and Slave mode
> - Simultaneous playback and record via I2S Master and Slave mode
> - Background playback with foreground record (starting at different
> time) via I2S Master and Slave mode
> - Background record with foreground playback (starting at different
> time) via I2S Master and Slave mode
> * All tests above by hacking offline_config to true in imx51.
>
> Caleb has tested v1 with TDM lookback tests on i.MX6.
>
> Example of uncovered tests: AC97, PowerPC and FIQ.
>
> Nicolin Chen (17):
> ASoC: fsl_ssi: Redefine RX and TX macros
> ASoC: fsl_ssi: Keep ssi->i2s_net updated
> ASoC: fsl_ssi: Clean up set_dai_tdm_slot()
> ASoC: fsl_ssi: Maintain a mask of active streams
> ASoC: fsl_ssi: Rename fsl_ssi_disable_val macro
> ASoC: fsl_ssi: Clear FIFO directly in fsl_ssi_config()
> ASoC: fsl_ssi: Clean up helper functions of trigger()
> ASoC: fsl_ssi: Add DAIFMT define for AC97
> ASoC: fsl_ssi: Clean up fsl_ssi_setup_regvals()
> ASoC: fsl_ssi: Set xFEN0 and xFEN1 together
> ASoC: fsl_ssi: Use snd_soc_init_dma_data instead
> ASoC: fsl_ssi: Move one-time configurations to probe()
> ASoC: fsl_ssi: Setup AC97 in fsl_ssi_hw_init()
> ASoC: fsl_ssi: Clean up _fsl_ssi_set_dai_fmt()
> ASoC: fsl_ssi: Add bool synchronous to mark synchronous mode
> ASoC: fsl_ssi: Move DT related code to a separate probe()
> ASoC: fsl_ssi: Use ssi->streams instead of reading register
>
> sound/soc/fsl/fsl_ssi.c | 733 ++++++++++++++++++++++++------------------------
> sound/soc/fsl/fsl_ssi.h | 3 -
> 2 files changed, 370 insertions(+), 366 deletions(-)
>
> --
> 2.7.4
>
tested v3...

Tested-by: Caleb Crome <caleb@crome.org>

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