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In TDM mode, the BSEL register value must be set according to table 5 in the
datasheet. This patch adds a lookup function and uses it in
max98396_dai_tdm_slot().
As the first 3 entries can also be used for non-TDM setups, the code re-uses
the same table for such scenarios.
Signed-off-by: Daniel Mack <daniel@zonque.org>
Link: https://lore.kernel.org/r/20220629050630.2848317-1-daniel@zonque.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Allow the selection of the TDM slot that is used to send back speaker
monitor data. The DT property adi,spkfb-slot-no can be used to configure
this setting which defaults to 2.
Signed-off-by: Daniel Mack <daniel@zonque.org>
Link: https://lore.kernel.org/r/20220624104712.1934484-8-daniel@zonque.org
Signed-off-by: Mark Brown <broonie@kernel.org>
The device has up to 5 potentially independent power supplies:
AVDD, DVDD, DVVDIO, VBAT and PVDD. The former 3 are mandatory for the
device to function. One of VBAT and PVDD should also be made available.
Regulators are enabled during probe time and will stay active except when in
suspend mode.
Futher, the chip needs to be informed about the presence of VBAT through a
bit in register 0x20a0.
Signed-off-by: Daniel Mack <daniel@zonque.org>
Link: https://lore.kernel.org/r/20220624104712.1934484-5-daniel@zonque.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This series of patches adds support for Analog Devices MAX98396
mono amplifier with IV sense. The device provides a PCM interface
for audio data and a standard I2C interface for control data
communication. This driver also supports MAX98397 which is
a variant of MAX98396 with wide input supply range.
Signed-off-by: Ryan Lee <ryan.lee.analog@gmail.com>
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/20220423021558.1773598-1-ryan.lee.analog@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
