button: make button_get_by_label() case insensitive
This function is already doing a fuzzy match, since there are no
guarantees that a given label is unique.
Ignoring case makes it much easier to catch "Volume down" or "Volume
Down" in board-agnostic code.
Tested-by: Danila Tikhonov <danila@jiaxyga.com> # google-sunfish
Tested-by: Jens Reidel <adrian@mainlining.org> # xiaomi-davinci
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250331-qcom-phones-v4-6-f52e57d3b8c6@linaro.org
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
diff --git a/drivers/button/button-uclass.c b/drivers/button/button-uclass.c
index 729983d..0259178 100644
--- a/drivers/button/button-uclass.c
+++ b/drivers/button/button-uclass.c
@@ -21,7 +21,7 @@
struct button_uc_plat *uc_plat = dev_get_uclass_plat(dev);
/* Ignore the top-level button node */
- if (uc_plat->label && !strcmp(label, uc_plat->label))
+ if (uc_plat->label && !strcasecmp(label, uc_plat->label))
return uclass_get_device_tail(dev, 0, devp);
}