Set the reserved bit 7 in the ANALOG_CTRL_REG for the TAS5720A-Q1 device,
when probing.
The datasheet mentions that the bit should be 1 during reset/powerup.
The device did not initialize before setting this value to 1. So, this
could be a quirk of this device. Or it could be a quirk with the board on
which it was tested.
That is why this patch is separate from the patch that adds support for the
TAS5720A-Q1 device.
Signed-off-by: Steffen Aschbacher <steffen.aschbacher@stihl.de>
Signed-off-by: Alexandru Ardelean <alex@shruggie.ro>
Link: https://lore.kernel.org/r/20230128082744.41849-3-alex@shruggie.ro
Signed-off-by: Mark Brown <broonie@kernel.org>
if (ret < 0)
goto error_snd_soc_component_update_bits;
+ /* Set Bit 7 in TAS5720_ANALOG_CTRL_REG to 1 for TAS5720A_Q1 */
+ switch (tas5720->devtype) {
+ case TAS5720A_Q1:
+ ret = snd_soc_component_update_bits(component, TAS5720_ANALOG_CTRL_REG,
+ TAS5720_Q1_RESERVED7_BIT,
+ TAS5720_Q1_RESERVED7_BIT);
+ break;
+ default:
+ break;
+ }
+ if (ret < 0)
+ goto error_snd_soc_component_update_bits;
+
/*
* Enter shutdown mode - our default when not playing audio - to
* minimize current consumption. On the TAS5720 there is no real down
#define TAS5720_ANALOG_GAIN_SHIFT (0x2)
/* TAS5720_Q1_ANALOG_CTRL_REG */
+#define TAS5720_Q1_RESERVED7_BIT BIT(7)
#define TAS5720_Q1_CHAN_SEL BIT(1)
/* TAS5720_FAULT_REG */