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when system resumes from suspend state the i2s/das/spdif registers
have power on reset values, this change restores the registers
with their prior values from cache
Bug: 904530
Change-Id: I35c14d95d2d6bf5bc116a1a80e21f4904c8969e5
Signed-off-by: Nikesh Oswal <noswal@nvidia.com>
Reviewed-on: http://git-master/r/69715
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Sumit Bhattacharya <sumitb@nvidia.com>
Reviewed-by: Scott Peterson <speterson@nvidia.com>
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Add support for Tegra20 I2s PCM mode which is required for playback or
record through BT SCO interface.
Bug 872652
Signed-off-by: Sumit Bhattacharya <sumitb@nvidia.com>
Change-Id: Ia4ba1fc308f2e8adb3697ae600a1664aa14467e9
Reviewed-on: http://git-master/r/61232
Tested-by: Sumit Bhattacharya <sumitb@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Rebase-Id: R058f7951f0d4bdb5cfe4d997326a2456cc8b105c
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Remove redundant ref counting for I2s and AHUB clocks.
For Tegra30 enable AHUB clocks before I2s registers are accessed.
Disable clocks when they are not in use.
Bug 872652
Change-Id: I7ec4e45cecd0391d0b5a2765214d6c03fa5cc339
Signed-off-by: Sumit Bhattacharya <sumitb@nvidia.com>
Reviewed-on: http://git-master/r/55005
Reviewed-by: Scott Peterson <speterson@nvidia.com>
Reviewed-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Gerrit_Virtual_Submit
Rebase-Id: R886c4a1a472c6b68240f2899a0b0be94c7ac9966
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Rename Tegra20-specific Kconfig variables, module filenames, all internal
symbol names, clocks, and platform devices, to reflect the fact the DAS
and I2S drivers are for a specific HW version.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Rebase-Id: Re5b72edd9dff4c93466b2db96dd40eb708343ccb
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Rename these files so they include a specific hardware version in their
filenames. The contents is only touched minimally so that git's rename
tracking operates correctly; renaming all symbols in the files results
in a diff so large that the rename detection fails.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Rebase-Id: Reba100e9e3080ff3b1ff455db4dc3ae166468744
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