Messages in this thread Patch in this message | | | From | Oleksandr Suvorov <> | Subject | [PATCH] mfd: stmpe: Support disabling sub-functions | Date | Sat, 26 Dec 2020 11:47:22 +0200 |
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Add support of sub-functions disabling. It allows one to define an stmpe sub-function device in devicetree, but keep it disabled.
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com> ---
drivers/mfd/stmpe.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/mfd/stmpe.c b/drivers/mfd/stmpe.c index 90f3292230c9..2182607b75f6 100644 --- a/drivers/mfd/stmpe.c +++ b/drivers/mfd/stmpe.c @@ -1358,6 +1358,9 @@ static void stmpe_of_probe(struct stmpe_platform_data *pdata, pdata->autosleep = (pdata->autosleep_timeout) ? true : false; for_each_child_of_node(np, child) { + /* skip disabled sub-function */ + if (!of_device_is_available(child)) + continue; if (of_node_name_eq(child, "stmpe_gpio")) { pdata->blocks |= STMPE_BLOCK_GPIO; } else if (of_node_name_eq(child, "stmpe_keypad")) { -- 2.29.2
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