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Commit c3a90058 authored by Lukas Wunner's avatar Lukas Wunner Committed by Takashi Iwai
Browse files

ALSA: hda - Use acpi_dev_present() 



Use shiny new acpi_dev_present() and remove all the boilerplate
to search for a particular ACPI device. No functional change.
Cf. 2d12b6b3 ("ACPI / utils: Add acpi_dev_present()").

Signed-off-by: default avatarLukas Wunner <lukas@wunner.de>
Acked-by: default avatarHui Wang <hui.wang@canonical.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 99d73559

sound/pci/hda/thinkpad_helper.c

+2 −15
Original line number Diff line number Diff line
@@ -10,23 +10,10 @@ 
static int (*led_set_func)(int, bool);

static void (*old_vmaster_hook)(void *, int);



static acpi_status acpi_check_cb(acpi_handle handle, u32 lvl, void *context,

				 void **rv)

{

	bool *found = context;

	*found = true;

	return AE_OK;

}



static bool is_thinkpad(struct hda_codec *codec)

{

	bool found = false;

	if (codec->core.subsystem_id >> 16 != 0x17aa)

		return false;

	if (ACPI_SUCCESS(acpi_get_devices("LEN0068", acpi_check_cb, &found, NULL)) && found)

		return true;

	found = false;

	return ACPI_SUCCESS(acpi_get_devices("IBM0068", acpi_check_cb, &found, NULL)) && found;

	return (codec->core.subsystem_id >> 16 == 0x17aa) &&

	       (acpi_dev_present("LEN0068") || acpi_dev_present("IBM0068"));

}



static void update_tpacpi_mute_led(void *private_data, int enabled)