Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 283842
b: refs/heads/master
c: a806aa9
h: refs/heads/master
v: v3
  • Loading branch information
Timur Tabi authored and Mark Brown committed Dec 2, 2011
1 parent bf70f30 commit eeb2a81
Show file tree
Hide file tree
Showing 2 changed files with 29 additions and 9 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 6f526f0a86dbb22fd2fc5a873f55c9e2341a79c0
refs/heads/master: a806aa9207ad59933464efbe6009394723713c0d
36 changes: 28 additions & 8 deletions trunk/sound/soc/fsl/p1022_ds.c
Original file line number Diff line number Diff line change
Expand Up @@ -540,12 +540,6 @@ static struct platform_driver p1022_ds_driver = {
.probe = p1022_ds_probe,
.remove = __devexit_p(p1022_ds_remove),
.driver = {
/* The name must match the 'model' property in the device tree,
* in lowercase letters, but only the part after that last
* comma. This is because some model properties have a "fsl,"
* prefix.
*/
.name = "snd-soc-p1022",
.owner = THIS_MODULE,
},
};
Expand All @@ -559,13 +553,39 @@ static int __init p1022_ds_init(void)
{
struct device_node *guts_np;
struct resource res;
const char *sprop;

/*
* Check if we're actually running on a P1022DS. Older device trees
* have a model of "fsl,P1022" and newer ones use "fsl,P1022DS", so we
* need to support both. The SSI driver uses that property to link to
* the machine driver, so have to match it.
*/
sprop = of_get_property(of_find_node_by_path("/"), "model", NULL);
if (!sprop) {
pr_err("snd-soc-p1022ds: missing /model node");
return -ENODEV;
}

pr_debug("snd-soc-p1022ds: board model name is %s\n", sprop);

pr_info("Freescale P1022 DS ALSA SoC machine driver\n");
/*
* The name of this board, taken from the device tree. Normally, this is a*
* fixed string, but some P1022DS device trees have a /model property of
* "fsl,P1022", and others have "fsl,P1022DS".
*/
if (strcasecmp(sprop, "fsl,p1022ds") == 0)
p1022_ds_driver.driver.name = "snd-soc-p1022ds";
else if (strcasecmp(sprop, "fsl,p1022") == 0)
p1022_ds_driver.driver.name = "snd-soc-p1022";
else
return -ENODEV;

/* Get the physical address of the global utilities registers */
guts_np = of_find_compatible_node(NULL, NULL, "fsl,p1022-guts");
if (of_address_to_resource(guts_np, 0, &res)) {
pr_err("p1022-ds: missing/invalid global utilities node\n");
pr_err("snd-soc-p1022ds: missing/invalid global utils node\n");
of_node_put(guts_np);
return -EINVAL;
}
guts_phys = res.start;
Expand Down

0 comments on commit eeb2a81

Please sign in to comment.