On Tue, Nov 01, 2022 at 03:15:08PM +0530, Venkata Prasad Potturu wrote: > On 10/28/22 16:28, Mark Brown wrote: > > > +static int tdm_mode = 0; > > > +module_param_named(tdm_mode, tdm_mode, int, 0444); > > > +MODULE_PARM_DESC(tdm_mode, "Set 1 for tdm mode, set 0 for i2s mode"); > > Why is this a module parameter - how would a user decide to set this? > > Is it something that someone might want to change at runtime? > > While inserting this module we need to pass tdm_mode variable as 0 or 1 like > below. > sudo insmod /lib/modules/$(uname > -r)/kernel/sound/soc/amd/acp/snd-acp-mach.ko *tdm_mode=1* Right, that's what the code does but why is this something that should be controlled in this fashion?
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