lkml.org 
[lkml]   [2022]   [Mar]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v3 01/16] sound: cs35l41: Unify hardware configuration
On 3/10/22 1:44 PM, Takashi Iwai <tiwai@suse.de> wrote:
> On Tue, 08 Mar 2022 18:17:15 +0100,
> Lucas Tanure wrote:
> > +enum cs35l41_gpio_func {
> > + CS35L41_HIZ,
> > + CS35L41_GPIO,
> > + CS35L41_INT_OPEN_DRAIN_GPIO2,
> > + CS35L41_MCLK,
> > + CS35L41_INT_PUSH_PULL_LOW_GPIO2,
> > + CS35L41_INT_PUSH_PULL_HIGH_GPIO2,
> > + CS35L41_PDM_CLK_GPIO2,
> > + CS35L41_PDM_DATA_GPIO2,
> > + CS35L41_MDSYNC_GPIO1 = 2,
> > + CS35L41_PDM_CLK_GPIO1 = 4,
> > + CS35L41_PDM_DATA_GPIO1 = 5,
> > };
>
> So CS35L41_MDSYNC_GPIO1 is identical with *_DRAIN_GPIO2, i.e. it's an
> alias?
>
>
> thanks,
>
> Takashi
>

The value 2 sets GPIO1 as MDSYNC pin and GPIO2 as IRQ pin (Open drain).
It could be the same label, like CS35L41_GPIO1_MDSYNC_GPIO2_IRQ, but I think separating them is better for understanding the code and organizing the code.

\
 
 \ /
  Last update: 2022-03-10 17:42    [W:0.072 / U:0.076 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site