Use shiny new acpi_dev_present() and remove all the boilerplate to search for a particular ACPI device. No functional change. Cf. 2d12b6b381ba ("ACPI / utils: Add acpi_dev_present()").
Cc: Hui Wang hui.wang@canonical.com Cc: Takashi Iwai tiwai@suse.de Signed-off-by: Lukas Wunner lukas@wunner.de Acked-by: Hui Wang hui.wang@canonical.com --- sound/pci/hda/thinkpad_helper.c | 17 ++--------------- 1 file changed, 2 insertions(+), 15 deletions(-)
diff --git a/sound/pci/hda/thinkpad_helper.c b/sound/pci/hda/thinkpad_helper.c index 0a4ad5f..59ab6ce 100644 --- a/sound/pci/hda/thinkpad_helper.c +++ b/sound/pci/hda/thinkpad_helper.c @@ -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)