24 Feb
2014
24 Feb
'14
4:52 p.m.
- /* Disable auto-mute */
- regmap_update_bits(cs42888->regmap, CS42888_TXCTL,
CS42888_TXCTL_AMUTE | CS42888_TXCTL_DAC_SZC_MASK,CS42888_TXCTL_DAC_SZC_SR);Does this interfere with the manual mute controls or is it a separate thing? If it plays nicely with the manual controls it's probably better to leave it enabled since it improves performance in some benchmarks (that's why hardware tends to have the feature).
Auto-Mute should be enabled by default.
- if (!IS_ERR(cs42888->clk))
clk_disable_unprepare(cs42888->clk);Does the device work without MCLK?
Yes, MCLK is required. If you can’t get the clock you should error out.