BL_INTERNAL: sound: codecs: tas2562: refactor volume control get function
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tas2562_volume_control_get() assumes that Digital Volume is only changed using the correspondent ALSA Control. However, it can also be changed by directly writing to DVC_CFG[1-4] registers, or by a software reset.
To ensure tas2562_volume_control_get() returns the current digital volume level of the amplifier, update the function so that it reads the registers instead of returning the data internally stored.
Signed-off-by: Vitor Sato Eschholz vsatoes@baylibre.com
Closes MAN-236