linux 4.14

   index: 1
	name: <alsa_output.platform-cht-bsw-rt5645.HiFi__hw_chtrt5645_0__sink>
	driver: <module-alsa-card.c>
	flags: HARDWARE DECIBEL_VOLUME LATENCY FLAT_VOLUME DYNAMIC_LATENCY
	state: IDLE
	suspend cause:
	priority: 9000
	volume: front-left: 98884 / 151% / 10.72 dB,   front-right: 98884 / 151% / 10.72 dB
	        balance 0.00
	base volume: 65536 / 100% / 0.00 dB
	volume steps: 65537
	muted: no
	current latency: 10.20 ms
	max request: 7 KiB
	max rewind: 375 KiB
	monitor source: 1
	sample spec: s16le 2ch 48000Hz
	channel map: front-left,front-right
	             Stereo
	used by: 0
	linked by: 1
	configured latency: 40.00 ms; range is 0.50 .. 2000.00 ms
	card: 1 <alsa_card.platform-cht-bsw-rt5645>
	module: 7
	properties:
		alsa.resolution_bits = "16"
		device.api = "alsa"
		device.class = "sound"
		alsa.class = "generic"
		alsa.subclass = "generic-mix"
		alsa.name = ""
		alsa.id = "1"
		alsa.subdevice = "0"
		alsa.subdevice_name = "subdevice #0"
		alsa.device = "0"
		alsa.card = "1"
		alsa.card_name = "chtrt5645"
		alsa.long_card_name = "LENOVO-80SG-MIIX310_10ICR-Cavalli"
		alsa.driver_name = "snd_soc_sst_cht_bsw_rt5645"
		device.bus_path = "platform-cht-bsw-rt5645"
		sysfs.path = "/devices/pci0000:00/808622A8:00/cht-bsw-rt5645/sound/card1"
		device.form_factor = "internal"
		device.string = "hw:chtrt5645,0"
		device.buffering.buffer_size = "384000"
		device.buffering.fragment_size = "192000"
		device.access_mode = "mmap+timer"
		device.profile.name = "HiFi: hw:chtrt5645,0: sink"
		device.profile.description = "Headphones + Speaker"
		device.description = "Built-in Audio Headphones + Speaker"
		module-udev-detect.discovered = "1"
		device.icon_name = "audio-card"
	ports:
		[Out] Headphone: Headphones (priority 100, latency offset 0 usec, available: no)
			properties:

		[Out] Speaker: Speaker (priority 100, latency offset 0 usec, available: unknown)
			properties:

	active port: <[Out] Speaker>