Messages in this thread | | | Subject | Re: [PATCH v1 0/5] Clock and reset improvements for Tegra ALSA drivers | From | Ben Dooks <> | Date | Fri, 15 Jan 2021 10:52:50 +0000 |
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On 12/01/2021 12:58, Dmitry Osipenko wrote: > This series improves the handling of clock and reset controls of > NVIDA Tegra ALSA drivers. Tegra HDA and AHUB drivers aren't handling > resets properly, which needs to be fixed in order to unblock other patches > related to fixes on the reset controller driver since HDA/AHUB are bound > to fail once reset controller driver will be corrected. In particular ALSA > drivers are relying on implicit de-assertion of resets which is done by the > tegra-clk driver. It's not the business of the clk driver to touch resets > and we need to fix this because it breaks reset/clk programming sequences > of other Tegra drivers. > > Dmitry Osipenko (5): > ALSA: hda/tegra: Use clk_bulk helpers > ALSA: hda/tegra: Reset hardware > ASoC: tegra: ahub: Use of_reset_control_array_get_exclusive() > ASoC: tegra: ahub: Use clk_bulk helpers > ASoC: tegra: ahub: Reset hardware properly > > sound/pci/hda/hda_tegra.c | 86 +++++++++------------------ > sound/soc/tegra/tegra30_ahub.c | 103 ++++++--------------------------- > sound/soc/tegra/tegra30_ahub.h | 6 +- > 3 files changed, 49 insertions(+), 146 deletions(-)
I wonder if this will help with the issues we saw when the tegra is the i2s clock slave.
-- Ben Dooks http://www.codethink.co.uk/ Senior Engineer Codethink - Providing Genius
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