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Merge "disp: msm: dsi: Implement dsi parser u64_read function"

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This commit is contained in:
qctecmdr
2023-01-06 20:03:12 -08:00
committed by Gerrit - the friendly Code Review server
parent b38e3c9e5a 96ae23252f
commit f471be45f9
1 changed files with 40 additions and 1 deletions
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41
msm/dsi/dsi_parser.c
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@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2018-2021, The Linux Foundation. All rights reserved.
*/
@@ -552,7 +553,45 @@ int dsi_parser_read_string(const struct device_node *np,
int dsi_parser_read_u64(const struct device_node *np, const char *propname,
u64 *out_value)
{
return -EINVAL;
struct dsi_parser_node *node = (struct dsi_parser_node *)np;
struct dsi_parser_prop *prop;
char *property, *to_int, item[SZ_128];
int rc = 0, base;
prop = dsi_parser_search_property(node, propname);
if (!prop) {
DSI_DEBUG("%s not found\n", propname);
rc = -EINVAL;
goto end;
}
if (!prop->value) {
DSI_ERR("%s prop value not found\n", propname);
rc = -ENODATA;
goto end;
}
strscpy(item, prop->value, SZ_128);
property = item;
to_int = strsep(&property, "x");
if (!property) {
property = to_int;
base = 10;
} else {
base = 16;
}
rc = kstrtou64(property, base, out_value);
if (rc) {
DSI_ERR("prop=%s error(%d) converting %s, base=%d\n",
propname, rc, property, base);
goto end;
}
DSI_DEBUG("%s=%d\n", propname, *out_value);
end:
return rc;
}
int dsi_parser_read_u32(const struct device_node *np,