linux-stable.git/sound/soc/tegra, branch linux-rolling-stable Linux kernel stable tree ASoC: tegra: Add support for Tegra238 soundcard 2026-03-09T14:17:50+00:00 Sheetal sheetal@nvidia.com 2026-03-03T10:02:49+00:00 1bc17c67194716f53037685b7059a22cc1a911b2 Tegra238 platforms use different clock rates for plla and plla_out0 clocks. Add Tegra238 support in the Tegra sound card driver to apply specific clock configurations. Signed-off-by: Aditya Bavanari <abavanari@nvidia.com> Signed-off-by: Sheetal <sheetal@nvidia.com> Reviewed-by: Jon Hunter <jonathanh@nvidia.com> Link: https://patch.msgid.link/20260303100249.3214529-3-sheetal@nvidia.com Signed-off-by: Mark Brown <broonie@kernel.org> 
Tegra238 platforms use different clock rates for plla and
plla_out0 clocks. Add Tegra238 support in the Tegra
sound card driver to apply specific clock configurations.

Signed-off-by: Aditya Bavanari <abavanari@nvidia.com>
Signed-off-by: Sheetal <sheetal@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://patch.msgid.link/20260303100249.3214529-3-sheetal@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: tegra: set reg_default_cb callback 2026-01-28T12:12:17+00:00 Sheetal sheetal@nvidia.com 2026-01-23T09:53:45+00:00 9409d18bf7d58ab716337749e28e2caba0d64cb0 Set reg_default_cb so REGCACHE_FLAT can supply zero defaults without large reg_defaults tables, simplifying cache initialization for zero-reset registers. Signed-off-by: Sheetal <sheetal@nvidia.com> Reviewed-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Link: https://patch.msgid.link/20260123095346.1258556-4-sheetal@nvidia.com Signed-off-by: Mark Brown <broonie@kernel.org> 
Set reg_default_cb so REGCACHE_FLAT can supply zero defaults without
large reg_defaults tables, simplifying cache initialization for
zero-reset registers.

Signed-off-by: Sheetal <sheetal@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://patch.msgid.link/20260123095346.1258556-4-sheetal@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: tegra: Add AHUB writeable_reg for RX holes 2026-01-28T12:12:16+00:00 Sheetal sheetal@nvidia.com 2026-01-23T09:53:43+00:00 0ba6286a71581aaf8413a55b9bd90ea3463fd23b Add writeable_reg callbacks for Tegra210/186 AHUB RX registers so the flat cache only treats valid RX locations as writable, avoiding holes in the register map. Fixes: 16e1bcc2caf4 ("ASoC: tegra: Add Tegra210 based AHUB driver") Signed-off-by: Sheetal <sheetal@nvidia.com> Reviewed-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Link: https://patch.msgid.link/20260123095346.1258556-2-sheetal@nvidia.com Signed-off-by: Mark Brown <broonie@kernel.org> 
Add writeable_reg callbacks for Tegra210/186 AHUB RX registers so the
flat cache only treats valid RX locations as writable, avoiding holes
in the register map.

Fixes: 16e1bcc2caf4 ("ASoC: tegra: Add Tegra210 based AHUB driver")
Signed-off-by: Sheetal <sheetal@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://patch.msgid.link/20260123095346.1258556-2-sheetal@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: tegra: Revert fix for uninitialized flat cache warning in tegra210_ahub 2026-01-12T20:32:03+00:00 sheetal sheetal@nvidia.com 2025-12-17T13:25:24+00:00 f34b32745e2c9f85ee33b42e7a8cdaa1ee1c16a3 Commit 4d4021b0bbd1 ("ASoC: tegra: Fix uninitialized flat cache warning in tegra210_ahub") attempted to fix the uninitialized flat cache warning that is observed for the Tegra210 AHUB driver. However, the change broke various audio tests because an -EBUSY error is returned when accessing registers from cache before they are read from hardware. Revert this change for now, until a proper fix is available. Fixes: 4d4021b0bbd1 ("ASoC: tegra: Fix uninitialized flat cache warning in tegra210_ahub") Signed-off-by: sheetal <sheetal@nvidia.com> Acked-by: Jon Hunter <jonathanh@nvidia.com> Link: https://patch.msgid.link/20251217132524.2844499-1-sheetal@nvidia.com Signed-off-by: Mark Brown <broonie@kernel.org> 
Commit 4d4021b0bbd1 ("ASoC: tegra: Fix uninitialized flat cache warning
in tegra210_ahub") attempted to fix the uninitialized flat cache warning
that is observed for the Tegra210 AHUB driver. However, the change broke
various audio tests because an -EBUSY error is returned when accessing
registers from cache before they are read from hardware. Revert this
change for now, until a proper fix is available.

Fixes: 4d4021b0bbd1 ("ASoC: tegra: Fix uninitialized flat cache warning in tegra210_ahub")
Signed-off-by: sheetal <sheetal@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Link: https://patch.msgid.link/20251217132524.2844499-1-sheetal@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: tegra: Fix uninitialized flat cache warning in tegra210_ahub 2025-12-14T10:32:37+00:00 sheetal sheetal@nvidia.com 2025-12-08T05:20:40+00:00 4d4021b0bbd1fad7c72b9155863f5b3ccb43ae91 The tegra210_ahub driver started triggering a warning after commit e062bdfdd6ad ("regmap: warn users about uninitialized flat cache"), which flags drivers using REGCACHE_FLAT without register defaults. Since the driver omits default definitions because its registers are zero initialized, the following warning is shown: WARNING KERN tegra210-ahub 2900800.ahub: using zero-initialized flat cache, this may cause unexpected behavior Switch to REGCACHE_FLAT_S which is the recommended cache type for sparse register maps without defaults. This cache type initializes entries on-demand from hardware, eliminating the warning while using memory efficiently. Signed-off-by: sheetal <sheetal@nvidia.com> Link: https://patch.msgid.link/20251208052040.4025612-1-sheetal@nvidia.com Signed-off-by: Mark Brown <broonie@kernel.org> 
The tegra210_ahub driver started triggering a warning after commit
e062bdfdd6ad ("regmap: warn users about uninitialized flat cache"),
which flags drivers using REGCACHE_FLAT without register defaults.
Since the driver omits default definitions because its registers are
zero initialized, the following warning is shown:

  WARNING KERN tegra210-ahub 2900800.ahub: using zero-initialized flat cache, this may cause unexpected behavior

Switch to REGCACHE_FLAT_S which is the recommended cache type for
sparse register maps without defaults. This cache type initializes
entries on-demand from hardware, eliminating the warning while using
memory efficiently.

Signed-off-by: sheetal <sheetal@nvidia.com>
Link: https://patch.msgid.link/20251208052040.4025612-1-sheetal@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: tegra: remove Kconfig dependency on TEGRA20_APB_DMA 2025-11-26T13:03:05+00:00 Francesco Lavra flavra@baylibre.com 2025-11-26T11:29:26+00:00 bcf016aa87fb448cea24fa25e02ccebce06b5a56 The ALSA SoC driver for Tegra runs also on SoCs without the Tegra20 APB DMA controller (e.g. Tegra234). Signed-off-by: Francesco Lavra <flavra@baylibre.com> Link: https://patch.msgid.link/20251126112926.4126757-1-flavra@baylibre.com Signed-off-by: Mark Brown <broonie@kernel.org> 
The ALSA SoC driver for Tegra runs also on SoCs without the Tegra20 APB DMA
controller (e.g. Tegra234).

Signed-off-by: Francesco Lavra <flavra@baylibre.com>
Link: https://patch.msgid.link/20251126112926.4126757-1-flavra@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: tegra: tegra_wm8903: convert to snd_soc_dapm_xxx() 2025-11-17T00:18:39+00:00 Kuninori Morimoto kuninori.morimoto.gx@renesas.com 2025-11-11T00:36:54+00:00 a6aa027dffef1b6d6ebc9ef87210493bcf7abf22 This patch converts below functions. dapm->dev -> snd_soc_dapm_to_dev() dapm->card -> snd_soc_dapm_to_card() dapm->component -> snd_soc_dapm_to_component() dapm_kcontrol_get_value() -> snd_soc_dapm_kcontrol_get_value() snd_soc_component_enable_pin() -> snd_soc_dapm_enable_pin() snd_soc_component_enable_pin_unlocked() -> snd_soc_dapm_enable_pin_unlocked() snd_soc_component_disable_pin() -> snd_soc_dapm_disable_pin() snd_soc_component_disable_pin_unlocked() -> snd_soc_dapm_disable_pin_unlocked() snd_soc_component_nc_pin() -> snd_soc_dapm_nc_pin() snd_soc_component_nc_pin_unlocked() -> snd_soc_dapm_nc_pin_unlocked() snd_soc_component_get_pin_status() -> snd_soc_dapm_get_pin_status() snd_soc_component_force_enable_pin() -> snd_soc_dapm_force_enable_pin() snd_soc_component_force_enable_pin_unlocked() -> snd_soc_dapm_force_enable_pin_unlocked() snd_soc_component_force_bias_level() -> snd_soc_dapm_force_bias_level() snd_soc_component_get_bias_level() -> snd_soc_dapm_get_bias_level() snd_soc_component_init_bias_level() -> snd_soc_dapm_init_bias_level() snd_soc_component_get_dapm() -> snd_soc_component_to_dapm() snd_soc_dapm_kcontrol_component() -> snd_soc_dapm_kcontrol_to_component() snd_soc_dapm_kcontrol_widget() -> snd_soc_dapm_kcontrol_to_widget() snd_soc_dapm_kcontrol_dapm() -> snd_soc_dapm_kcontrol_to_dapm() snd_soc_dapm_np_pin() -> snd_soc_dapm_disable_pin() Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://patch.msgid.link/87zf8ts8ux.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org> 
This patch converts below functions.

dapm->dev					-> snd_soc_dapm_to_dev()
dapm->card					-> snd_soc_dapm_to_card()
dapm->component					-> snd_soc_dapm_to_component()

dapm_kcontrol_get_value()			-> snd_soc_dapm_kcontrol_get_value()

snd_soc_component_enable_pin()			-> snd_soc_dapm_enable_pin()
snd_soc_component_enable_pin_unlocked()		-> snd_soc_dapm_enable_pin_unlocked()
snd_soc_component_disable_pin()			-> snd_soc_dapm_disable_pin()
snd_soc_component_disable_pin_unlocked()	-> snd_soc_dapm_disable_pin_unlocked()
snd_soc_component_nc_pin()			-> snd_soc_dapm_nc_pin()
snd_soc_component_nc_pin_unlocked()		-> snd_soc_dapm_nc_pin_unlocked()
snd_soc_component_get_pin_status()		-> snd_soc_dapm_get_pin_status()
snd_soc_component_force_enable_pin()		-> snd_soc_dapm_force_enable_pin()
snd_soc_component_force_enable_pin_unlocked()	-> snd_soc_dapm_force_enable_pin_unlocked()
snd_soc_component_force_bias_level()		-> snd_soc_dapm_force_bias_level()
snd_soc_component_get_bias_level()		-> snd_soc_dapm_get_bias_level()
snd_soc_component_init_bias_level()		-> snd_soc_dapm_init_bias_level()
snd_soc_component_get_dapm()			-> snd_soc_component_to_dapm()

snd_soc_dapm_kcontrol_component()		-> snd_soc_dapm_kcontrol_to_component()
snd_soc_dapm_kcontrol_widget()			-> snd_soc_dapm_kcontrol_to_widget()
snd_soc_dapm_kcontrol_dapm()			-> snd_soc_dapm_kcontrol_to_dapm()
snd_soc_dapm_np_pin()				-> snd_soc_dapm_disable_pin()

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/87zf8ts8ux.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: tegra: tegra_asoc_machine: convert to snd_soc_dapm_xxx() 2025-11-17T00:18:38+00:00 Kuninori Morimoto kuninori.morimoto.gx@renesas.com 2025-11-11T00:36:51+00:00 03258f7765e8c0210ea35b865f8e5c03fd9ccab9 This patch converts below functions. dapm->dev -> snd_soc_dapm_to_dev() dapm->card -> snd_soc_dapm_to_card() dapm->component -> snd_soc_dapm_to_component() dapm_kcontrol_get_value() -> snd_soc_dapm_kcontrol_get_value() snd_soc_component_enable_pin() -> snd_soc_dapm_enable_pin() snd_soc_component_enable_pin_unlocked() -> snd_soc_dapm_enable_pin_unlocked() snd_soc_component_disable_pin() -> snd_soc_dapm_disable_pin() snd_soc_component_disable_pin_unlocked() -> snd_soc_dapm_disable_pin_unlocked() snd_soc_component_nc_pin() -> snd_soc_dapm_nc_pin() snd_soc_component_nc_pin_unlocked() -> snd_soc_dapm_nc_pin_unlocked() snd_soc_component_get_pin_status() -> snd_soc_dapm_get_pin_status() snd_soc_component_force_enable_pin() -> snd_soc_dapm_force_enable_pin() snd_soc_component_force_enable_pin_unlocked() -> snd_soc_dapm_force_enable_pin_unlocked() snd_soc_component_force_bias_level() -> snd_soc_dapm_force_bias_level() snd_soc_component_get_bias_level() -> snd_soc_dapm_get_bias_level() snd_soc_component_init_bias_level() -> snd_soc_dapm_init_bias_level() snd_soc_component_get_dapm() -> snd_soc_component_to_dapm() snd_soc_dapm_kcontrol_component() -> snd_soc_dapm_kcontrol_to_component() snd_soc_dapm_kcontrol_widget() -> snd_soc_dapm_kcontrol_to_widget() snd_soc_dapm_kcontrol_dapm() -> snd_soc_dapm_kcontrol_to_dapm() snd_soc_dapm_np_pin() -> snd_soc_dapm_disable_pin() Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://patch.msgid.link/871pm5tnfg.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org> 
This patch converts below functions.

dapm->dev					-> snd_soc_dapm_to_dev()
dapm->card					-> snd_soc_dapm_to_card()
dapm->component					-> snd_soc_dapm_to_component()

dapm_kcontrol_get_value()			-> snd_soc_dapm_kcontrol_get_value()

snd_soc_component_enable_pin()			-> snd_soc_dapm_enable_pin()
snd_soc_component_enable_pin_unlocked()		-> snd_soc_dapm_enable_pin_unlocked()
snd_soc_component_disable_pin()			-> snd_soc_dapm_disable_pin()
snd_soc_component_disable_pin_unlocked()	-> snd_soc_dapm_disable_pin_unlocked()
snd_soc_component_nc_pin()			-> snd_soc_dapm_nc_pin()
snd_soc_component_nc_pin_unlocked()		-> snd_soc_dapm_nc_pin_unlocked()
snd_soc_component_get_pin_status()		-> snd_soc_dapm_get_pin_status()
snd_soc_component_force_enable_pin()		-> snd_soc_dapm_force_enable_pin()
snd_soc_component_force_enable_pin_unlocked()	-> snd_soc_dapm_force_enable_pin_unlocked()
snd_soc_component_force_bias_level()		-> snd_soc_dapm_force_bias_level()
snd_soc_component_get_bias_level()		-> snd_soc_dapm_get_bias_level()
snd_soc_component_init_bias_level()		-> snd_soc_dapm_init_bias_level()
snd_soc_component_get_dapm()			-> snd_soc_component_to_dapm()

snd_soc_dapm_kcontrol_component()		-> snd_soc_dapm_kcontrol_to_component()
snd_soc_dapm_kcontrol_widget()			-> snd_soc_dapm_kcontrol_to_widget()
snd_soc_dapm_kcontrol_dapm()			-> snd_soc_dapm_kcontrol_to_dapm()
snd_soc_dapm_np_pin()				-> snd_soc_dapm_disable_pin()

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/871pm5tnfg.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: tegra: tegra210_ahub: convert to snd_soc_dapm_xxx() 2025-11-17T00:18:38+00:00 Kuninori Morimoto kuninori.morimoto.gx@renesas.com 2025-11-11T00:36:48+00:00 0019f120bfe862a583aa1a4347c1761e947e0054 This patch converts below functions. dapm->dev -> snd_soc_dapm_to_dev() dapm->card -> snd_soc_dapm_to_card() dapm->component -> snd_soc_dapm_to_component() dapm_kcontrol_get_value() -> snd_soc_dapm_kcontrol_get_value() snd_soc_component_enable_pin() -> snd_soc_dapm_enable_pin() snd_soc_component_enable_pin_unlocked() -> snd_soc_dapm_enable_pin_unlocked() snd_soc_component_disable_pin() -> snd_soc_dapm_disable_pin() snd_soc_component_disable_pin_unlocked() -> snd_soc_dapm_disable_pin_unlocked() snd_soc_component_nc_pin() -> snd_soc_dapm_nc_pin() snd_soc_component_nc_pin_unlocked() -> snd_soc_dapm_nc_pin_unlocked() snd_soc_component_get_pin_status() -> snd_soc_dapm_get_pin_status() snd_soc_component_force_enable_pin() -> snd_soc_dapm_force_enable_pin() snd_soc_component_force_enable_pin_unlocked() -> snd_soc_dapm_force_enable_pin_unlocked() snd_soc_component_force_bias_level() -> snd_soc_dapm_force_bias_level() snd_soc_component_get_bias_level() -> snd_soc_dapm_get_bias_level() snd_soc_component_init_bias_level() -> snd_soc_dapm_init_bias_level() snd_soc_component_get_dapm() -> snd_soc_component_to_dapm() snd_soc_dapm_kcontrol_component() -> snd_soc_dapm_kcontrol_to_component() snd_soc_dapm_kcontrol_widget() -> snd_soc_dapm_kcontrol_to_widget() snd_soc_dapm_kcontrol_dapm() -> snd_soc_dapm_kcontrol_to_dapm() snd_soc_dapm_np_pin() -> snd_soc_dapm_disable_pin() Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://patch.msgid.link/87346ltnfk.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org> 
This patch converts below functions.

dapm->dev					-> snd_soc_dapm_to_dev()
dapm->card					-> snd_soc_dapm_to_card()
dapm->component					-> snd_soc_dapm_to_component()

dapm_kcontrol_get_value()			-> snd_soc_dapm_kcontrol_get_value()

snd_soc_component_enable_pin()			-> snd_soc_dapm_enable_pin()
snd_soc_component_enable_pin_unlocked()		-> snd_soc_dapm_enable_pin_unlocked()
snd_soc_component_disable_pin()			-> snd_soc_dapm_disable_pin()
snd_soc_component_disable_pin_unlocked()	-> snd_soc_dapm_disable_pin_unlocked()
snd_soc_component_nc_pin()			-> snd_soc_dapm_nc_pin()
snd_soc_component_nc_pin_unlocked()		-> snd_soc_dapm_nc_pin_unlocked()
snd_soc_component_get_pin_status()		-> snd_soc_dapm_get_pin_status()
snd_soc_component_force_enable_pin()		-> snd_soc_dapm_force_enable_pin()
snd_soc_component_force_enable_pin_unlocked()	-> snd_soc_dapm_force_enable_pin_unlocked()
snd_soc_component_force_bias_level()		-> snd_soc_dapm_force_bias_level()
snd_soc_component_get_bias_level()		-> snd_soc_dapm_get_bias_level()
snd_soc_component_init_bias_level()		-> snd_soc_dapm_init_bias_level()
snd_soc_component_get_dapm()			-> snd_soc_component_to_dapm()

snd_soc_dapm_kcontrol_component()		-> snd_soc_dapm_kcontrol_to_component()
snd_soc_dapm_kcontrol_widget()			-> snd_soc_dapm_kcontrol_to_widget()
snd_soc_dapm_kcontrol_dapm()			-> snd_soc_dapm_kcontrol_to_dapm()
snd_soc_dapm_np_pin()				-> snd_soc_dapm_disable_pin()

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://patch.msgid.link/87346ltnfk.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
ASoC: tegra: tegra210: use snd_kcontrol_chip() instead of snd_soc_kcontrol_component() 2025-10-20T01:44:29+00:00 Kuninori Morimoto kuninori.morimoto.gx@renesas.com 2025-10-14T04:27:56+00:00 308eee447306e885254bca4bc23b9f90534feb1a We have very similar name functions (A)(B). Both gets component from snd_kcontrol, but (A) is used in callback functions which is registered through snd_soc_add_component_controls(), (B) is used through snd_soc_dapm_new_widgets(). (A) snd_soc_kcontrol_component() (B) snd_soc_dapm_kcontrol_component() (B) is using very picky way to get component but using it is necessary in ASoC. But (A) is just wrapper function to snd_kcontrol_chip(), and directly using it without wrapper is very common way on ALSA. To reduce confusions of similar function, let's use common way on (A). Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Link: https://patch.msgid.link/87ecr6m7jn.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org> 
We have very similar name functions (A)(B). Both gets component from
snd_kcontrol, but (A) is used in callback functions which is registered
through snd_soc_add_component_controls(), (B) is used through
snd_soc_dapm_new_widgets().

	(A) snd_soc_kcontrol_component()
	(B) snd_soc_dapm_kcontrol_component()

(B) is using very picky way to get component but using it is necessary in
ASoC. But (A) is just wrapper function to snd_kcontrol_chip(), and directly
using it without wrapper is very common way on ALSA.
To reduce confusions of similar function, let's use common way on (A).

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://patch.msgid.link/87ecr6m7jn.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>