From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- sound/pci/hda/thinkpad_helper.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 sound/pci/hda/thinkpad_helper.c (limited to 'sound/pci/hda/thinkpad_helper.c') diff --git a/sound/pci/hda/thinkpad_helper.c b/sound/pci/hda/thinkpad_helper.c new file mode 100644 index 000000000..6698ae241 --- /dev/null +++ b/sound/pci/hda/thinkpad_helper.c @@ -0,0 +1,36 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Helper functions for Thinkpad LED control; + * to be included from codec driver + */ + +#if IS_ENABLED(CONFIG_THINKPAD_ACPI) + +#include +#include + +static bool is_thinkpad(struct hda_codec *codec) +{ + return (codec->core.subsystem_id >> 16 == 0x17aa) && + (acpi_dev_found("LEN0068") || acpi_dev_found("LEN0268") || + acpi_dev_found("IBM0068")); +} + +static void hda_fixup_thinkpad_acpi(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + if (action == HDA_FIXUP_ACT_PROBE) { + if (!is_thinkpad(codec)) + return; + snd_hda_gen_add_mute_led_cdev(codec, NULL); + snd_hda_gen_add_micmute_led_cdev(codec, NULL); + } +} + +#else /* CONFIG_THINKPAD_ACPI */ + +static void hda_fixup_thinkpad_acpi(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ +} + +#endif /* CONFIG_THINKPAD_ACPI */ -- cgit v1.2.3