Hi,
I have used the TAS2552-EVM to verify that my setup is in working condition for a work on other audio product. During the bringup of the EVM I have faced some issues and limitation with the driver. The result is this series against the tas2552 driver.
Notable changes: - Fixes for kernel crashes - The enable-gpio was not optional as it was documented in the DTS - Register bit definitions were not correct in several places - Adding recommended startup/stop sequence - Handling of sample formats the driver claims to support - PLL configuration fixes and reference clock selection - TDM support - Gain control fix and control to select DIN source
Regards, Peter --- Peter Ujfalusi (22): ASoC: tas2552: Make the enable-gpio really optional ASoC: tas2552: Fix kernel crash when the codec is loaded but not part of a card ASoC: tas2552: Fix kernel crash caused by wrong kcontrol entry ASoC: tas2552: Correct PDM configuration register bit definitions ASoC: tas2552: Correct CFG1 register bit definitions ASoC: tas2552: Simplify the tas2552_mute function ASoC: tas2552: Simplify and reverse the functionality of tas2552_sw_shutdown ASoC: tas2552: Rename mclk parameter to pll_clkin to match with the datasheet DT/sound: bindings header file for tas2552 codec ASoC: tas2552: Add support for pll and pdm source clock selection ASoC: tas2552: Correct dai format support ASoC: tas2552: Correct and clean up data format and BCLK/WCLK direction ASoC: tas2552: Add TDM support ASoC: tas2552: Clean up the Digital - Analog DAPM route definition ASoC: tas2552: Correct the Speaker Driver Playback Volume (PGA_GAIN) ASoC: tas2552: Implement startup/stop sequence as per TRM ASoC: tas2552: Add support for word length configuration ASoC: tas2552: Configure the WCLK frequency based on the stream ASoC: tas2552: Add control for selecting DIN source ASoC: tas2552: Correct Output Data register usage ASoC: tas2552: Correct Boost Auto-Pass Through Control register usage ASoC: tas2552: Code, define alignment changes for uniformity
include/dt-bindings/sound/tas2552.h | 18 ++ sound/soc/codecs/tas2552.c | 435 +++++++++++++++++++++++++++--------- sound/soc/codecs/tas2552.h | 149 ++++++------ 3 files changed, 431 insertions(+), 171 deletions(-) create mode 100644 include/dt-bindings/sound/tas2552.h