mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
36 lines
891 B
36 lines
891 B
// 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 <linux/acpi.h> |
|
#include <linux/leds.h> |
|
|
|
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_PRE_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 */
|
|
|