12 Jul
2021
12 Jul
'21
5:03 p.m.
On Fri, Jul 09, 2021 at 06:11:28PM -0500, David Rhodes wrote:
On 7/5/21 2:20 PM, Mark Brown wrote:
- case SND_SOC_DAPM_POST_PMD:
regmap_read(cs35l41->regmap, CS35L41_PWR_CTRL1, &val);if (val & CS35L41_GLOBAL_EN_MASK) {regmap_update_bits(cs35l41->regmap, CS35L41_PWR_CTRL1,CS35L41_GLOBAL_EN_MASK, 0);
I can't see any references to GLOBAL_EN outside this function, why might it not be set?
This check prevents an incorrect 'PDN Failed' message if DAPM initializes and turns the widget off at boot (with no prior power-up).
In what way does it prevent this message and why is this a good approach to the issue?