22 Feb
2023
22 Feb
'23
1:48 p.m.
On Wed, Feb 22, 2023 at 07:39:45PM +0800, Chancel Liu wrote:
- switch (cmd) {
- case SNDRV_PCM_TRIGGER_START:
- case SNDRV_PCM_TRIGGER_RESUME:
- case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
mdelay(wm8524->power_up_delay);break;
Doing a 100ms busy wait in atomic context does not seem like a great idea, never mind a 1.5s one. This shouldn't be done in trigger, it needs to be done later - digital_mute() might be a better time to hook in, though longer delays like this are really quite bad.