1 // SPDX-License-Identifier: GPL-2.0 1 // SPDX-License-Identifier: GPL-2.0
2 /* Helper functions for Thinkpad LED control; 2 /* Helper functions for Thinkpad LED control;
3 * to be included from codec driver 3 * to be included from codec driver
4 */ 4 */
5 5
6 #if IS_ENABLED(CONFIG_THINKPAD_ACPI) 6 #if IS_ENABLED(CONFIG_THINKPAD_ACPI)
7 7
8 #include <linux/acpi.h> 8 #include <linux/acpi.h>
9 #include <linux/leds.h> 9 #include <linux/leds.h>
10 10
11 static bool is_thinkpad(struct hda_codec *code 11 static bool is_thinkpad(struct hda_codec *codec)
12 { 12 {
13 return (codec->core.subsystem_id >> 16 13 return (codec->core.subsystem_id >> 16 == 0x17aa) &&
14 (acpi_dev_found("LEN0068") || a 14 (acpi_dev_found("LEN0068") || acpi_dev_found("LEN0268") ||
15 acpi_dev_found("IBM0068")); 15 acpi_dev_found("IBM0068"));
16 } 16 }
17 17
18 static void hda_fixup_thinkpad_acpi(struct hda 18 static void hda_fixup_thinkpad_acpi(struct hda_codec *codec,
19 const stru 19 const struct hda_fixup *fix, int action)
20 { 20 {
21 if (action == HDA_FIXUP_ACT_PRE_PROBE) 21 if (action == HDA_FIXUP_ACT_PRE_PROBE) {
22 if (!is_thinkpad(codec)) 22 if (!is_thinkpad(codec))
23 return; 23 return;
24 snd_hda_gen_add_mute_led_cdev( 24 snd_hda_gen_add_mute_led_cdev(codec, NULL);
25 snd_hda_gen_add_micmute_led_cd 25 snd_hda_gen_add_micmute_led_cdev(codec, NULL);
26 } 26 }
27 } 27 }
28 28
29 #else /* CONFIG_THINKPAD_ACPI */ 29 #else /* CONFIG_THINKPAD_ACPI */
30 30
31 static void hda_fixup_thinkpad_acpi(struct hda 31 static void hda_fixup_thinkpad_acpi(struct hda_codec *codec,
32 const stru 32 const struct hda_fixup *fix, int action)
33 { 33 {
34 } 34 }
35 35
36 #endif /* CONFIG_THINKPAD_ACPI */ 36 #endif /* CONFIG_THINKPAD_ACPI */
37 37
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