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path: root/sound/pci/hda/dell_wmi_helper.c
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Diffstat (limited to 'sound/pci/hda/dell_wmi_helper.c')
-rw-r--r--sound/pci/hda/dell_wmi_helper.c48
1 files changed, 0 insertions, 48 deletions
diff --git a/sound/pci/hda/dell_wmi_helper.c b/sound/pci/hda/dell_wmi_helper.c
deleted file mode 100644
index bbd6c87a4ed6..000000000000
--- a/sound/pci/hda/dell_wmi_helper.c
+++ /dev/null
@@ -1,48 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Helper functions for Dell Mic Mute LED control;
- * to be included from codec driver
- */
-
-#if IS_ENABLED(CONFIG_DELL_LAPTOP)
-#include <linux/dell-led.h>
-
-static int (*dell_micmute_led_set_func)(int);
-
-static void dell_micmute_update(struct hda_codec *codec)
-{
- struct hda_gen_spec *spec = codec->spec;
-
- dell_micmute_led_set_func(spec->micmute_led.led_value);
-}
-
-static void alc_fixup_dell_wmi(struct hda_codec *codec,
- const struct hda_fixup *fix, int action)
-{
- bool removefunc = false;
-
- if (action == HDA_FIXUP_ACT_PROBE) {
- if (!dell_micmute_led_set_func)
- dell_micmute_led_set_func = symbol_request(dell_micmute_led_set);
- if (!dell_micmute_led_set_func) {
- codec_warn(codec, "Failed to find dell wmi symbol dell_micmute_led_set\n");
- return;
- }
-
- removefunc = (dell_micmute_led_set_func(false) < 0) ||
- (snd_hda_gen_add_micmute_led(codec,
- dell_micmute_update) < 0);
- }
-
- if (dell_micmute_led_set_func && (action == HDA_FIXUP_ACT_FREE || removefunc)) {
- symbol_put(dell_micmute_led_set);
- dell_micmute_led_set_func = NULL;
- }
-}
-
-#else /* CONFIG_DELL_LAPTOP */
-static void alc_fixup_dell_wmi(struct hda_codec *codec,
- const struct hda_fixup *fix, int action)
-{
-}
-
-#endif /* CONFIG_DELL_LAPTOP */