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buildroot-2020.02.8\output\build\alsa-utils-1.2.1\amixer\amixer.c

static int sset_channels(snd_mixer_elem_t *elem, unsigned int argc, char **argv)
{
	unsigned int channels = ~0U;
	unsigned int dir = 3, okflag = 3;
	unsigned int idx;
	snd_mixer_selem_channel_id_t chn;
	int check_flag = ignore_error ? 0 : -1;

	for (idx = 1; idx < argc; idx++) {
		char *ptr = argv[idx], *optr;
		int multi, firstchn = 1;
		channels = channels_mask(&ptr, channels);
		if (*ptr == '\0')
			continue;
		dir = dir_mask(&ptr, dir);
		if (*ptr == '\0')
			continue;
		multi = (strchr(ptr, ',') != NULL);
		optr = ptr;
		for (chn = 0; chn <= SND_MIXER_SCHN_LAST; chn++) {
			char *sptr = NULL;
			int ival;

			if (!(channels & (1 << chn)))
				continue;

			if ((dir & 1) && snd_mixer_selem_has_playback_channel(elem, chn)) {
				sptr = ptr;
				if (!strncmp(ptr, "mute", 4) && snd_mixer_selem_has_playback_switch(elem)) {
					snd_mixer_selem_get_playback_switch(elem, chn, &ival);
					if (snd_mixer_selem_set_playback_switch(elem, chn, get_bool_simple(&ptr, "mute", 1, ival)) >= 0)
						check_flag = 1;
				} else if (!strncmp(ptr, "off", 3) && snd_mixer_selem_has_playback_switch(elem)) {
					snd_mixer_selem_get_playback_switch(elem, chn, &ival);
					if (snd_mixer_selem_set_playback_switch(elem, chn, get_bool_simple(&ptr, "off", 1, ival)) >= 0)
						check_flag = 1;
				} else if (!strncmp(ptr, "unmute", 6) && snd_mixer_selem_has_playback_switch(elem)) {
					snd_mixer_selem_get_playback_switch(elem, chn, &ival);
					if (snd_mixer_selem_set_playback_switch(elem, chn, get_bool_simple(&ptr, "unmute", 0, ival)) >= 0)
						check_flag = 1;
				} else if (!strncmp(ptr, "on", 2) && snd_mixer_selem_has_playback_switch(elem)) {
					snd_mixer_selem_get_playback_switch(elem, chn, &ival);
					if (snd_mixer_selem_set_playback_switch(elem, chn, get_bool_simple(&ptr, "on", 0, ival)) >= 0)
						check_flag = 1;
				} else if (!strncmp(ptr, "toggle", 6) && snd_mixer_selem_has_playback_switch(elem)) {
					if (firstchn || !snd_mixer_selem_has_playback_switch_joined(elem)) {
						snd_mixer_selem_get_playback_switch(elem, chn, &ival);
						if (snd_mixer_selem_set_playback_switch(elem, chn, (ival ? 1 : 0) ^ 1) >= 0)
							check_flag = 1;
					}
					simple_skip_word(&ptr, "toggle");
				} else if (isdigit(*ptr) || *ptr == '-' || *ptr == '+') {
					if (set_volume_simple(elem, chn, &ptr, 0) >= 0)
						check_flag = 1;
				} else if (simple_skip_word(&ptr, "cap") || simple_skip_word(&ptr, "rec") ||
					   simple_skip_word(&ptr, "nocap") || simple_skip_word(&ptr, "norec")) {
					/* nothing */
				} else {
					okflag &= ~1;
				}
			}
			if ((dir & 2) && snd_mixer_selem_has_capture_channel(elem, chn)) {
				if (sptr != NULL)
					ptr = sptr;
				sptr = ptr;
				if (!strncmp(ptr, "cap", 3) && snd_mixer_selem_has_capture_switch(elem)) {
					snd_mixer_selem_get_capture_switch(elem, chn, &ival);
					if (snd_mixer_selem_set_capture_switch(elem, chn, get_bool_simple(&ptr, "cap", 0, ival)) >= 0)
						check_flag = 1;
				} else if (!strncmp(ptr, "rec", 3) && snd_mixer_selem_has_capture_switch(elem)) {
					snd_mixer_selem_get_capture_switch(elem, chn, &ival);
					if (snd_mixer_selem_set_capture_switch(elem, chn, get_bool_simple(&ptr, "rec", 0, ival)) >= 0)
						check_flag = 1;
				} else if (!strncmp(ptr, "nocap", 5) && snd_mixer_selem_has_capture_switch(elem)) {
					snd_mixer_selem_get_capture_switch(elem, chn, &ival);
					if (snd_mixer_selem_set_capture_switch(elem, chn, get_bool_simple(&ptr, "nocap", 1, ival)) >= 0)
						check_flag = 1;
				} else if (!strncmp(ptr, "norec", 5) && snd_mixer_selem_has_capture_switch(elem)) {
					snd_mixer_selem_get_capture_switch(elem, chn, &ival);
					if (snd_mixer_selem_set_capture_switch(elem, chn, get_bool_simple(&ptr, "norec", 1, ival)) >= 0)
						check_flag = 1;
				} else if (!strncmp(ptr, "toggle", 6) && snd_mixer_selem_has_capture_switch(elem)) {
					if (firstchn || !snd_mixer_selem_has_capture_switch_joined(elem)) {
						snd_mixer_selem_get_capture_switch(elem, chn, &ival);
						if (snd_mixer_selem_set_capture_switch(elem, chn, (ival ? 1 : 0) ^ 1) >= 0)
							check_flag = 1;
					}
					simple_skip_word(&ptr, "toggle");
				} else if (isdigit(*ptr) || *ptr == '-' || *ptr == '+') {
					if (set_volume_simple(elem, chn, &ptr, 1) >= 0)
						check_flag = 1;
				} else if (simple_skip_word(&ptr, "mute") || simple_skip_word(&ptr, "off") ||
					   simple_skip_word(&ptr, "unmute") || simple_skip_word(&ptr, "on")) {
					/* nothing */
				} else {
					okflag &= ~2;
				}
			}
			if (okflag == 0) {
				if (debugflag) {
					if (dir & 1)
						error("Unknown playback setup '%s'..", ptr);
					if (dir & 2)
						error("Unknown capture setup '%s'..", ptr);
				}
				return 0; /* just skip it */
			}
			if (!multi)
				ptr = optr;
			firstchn = 0;
		}
	}
	return check_flag;
}

U-Boot SPL 2017.01-rc2 (Oct 19 2022 - 20:28:30)
DRAM: 64 MiB
Trying to boot from MMC1

U-Boot 2017.01-rc2 (Oct 19 2022 - 20:28:30 +0800) Allwinner Technology

CPU:   Allwinner V3s (SUN8I 1681)
Model: Lichee Pi Zero
DRAM:  64 MiB
MMC:   SUNXI SD/MMC: 0
SF: unrecognized JEDEC id bytes: 00, c2, 12
*** Warning - spi_flash_probe() failed, using default environment

Setting up a 800x480 lcd console (overscan 0x0)
dotclock: 33000kHz = 33000kHz: (1 * 3MHz * 66) / 6
In:    serial@01c28000
Out:   serial@01c28000
Err:   serial@01c28000


U-Boot 2017.01-rc2 (Oct 19 2022 - 20:28:30 +0800) Allwinner Technology

CPU:   Allwinner V3s (SUN8I 1681)
Model: Lichee Pi Zero
DRAM:  64 MiB
MMC:   SUNXI SD/MMC: 0
SF: unrecognized JEDEC id bytes: 00, c2, 12
*** Warning - spi_flash_probe() failed, using default environment

Setting up a 800x480 lcd console (overscan 0x0)
dotclock: 33000kHz = 33000kHz: (1 * 3MHz * 66) / 6
In:    serial@01c28000
Out:   serial@01c28000
Err:   serial@01c28000
Net:   No ethernet found.
starting USB...
No controllers found
Hit any key to stop autoboot:  0
reading zImage
5190360 bytes read in 891 ms (5.6 MiB/s)
reading sun8i-v3s-licheepi-zero.dtb
12914 bytes read in 70 ms (179.7 KiB/s)
## Flattened Device Tree blob at 41800000
   Booting using the fdt blob at 0x41800000
   Loading Device Tree to 42df9000, end 42dff271 ... OK

Starting kernel ...

[    0.000000] Booting Linux on physical CPU 0x0
[    0.000000] Linux version 6.10.3-licheepi-zero (charlie@ubuntu) (arm-linux-gnueabihf-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609, GNU ld (GNU Binutils for Ubuntu) 2.26.1) #2 SMP Sat Aug 10 11:28:23 CST 2024
[    0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c5387d
[    0.000000] CPU: div instructions available: patching division code
[    0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
[    0.000000] OF: fdt: Machine model: Lichee Pi Zero Charlie
[    0.000000] Memory policy: Data cache writealloc
[    0.000000] Zone ranges:
[    0.000000]   Normal   [mem 0x0000000040000000-0x0000000043e88fff]
[    0.000000]   HighMem  empty
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x0000000040000000-0x0000000043e88fff]
[    0.000000] Initmem setup node 0 [mem 0x0000000040000000-0x0000000043e88fff]
[    0.000000] percpu: Embedded 13 pages/cpu s20564 r8192 d24492 u53248
[    0.000000] Kernel command line: console=ttyS0,115200 panic=5 rootwait root=/dev/mmcblk0p2 earlyprintk rw vt.global_cursor_default=0
[    0.000000] Unknown kernel command line parameters "earlyprintk", will be passed to user space.
[    0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes, linear)
[    0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes, linear)
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 16009
[    0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[    0.000000] Memory: 49952K/64036K available (8192K kernel code, 785K rwdata, 2128K rodata, 1024K init, 292K bss, 14084K reserved, 0K cma-reserved, 0K highmem)
[    0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[    0.000000] rcu: Hierarchical RCU implementation.
[    0.000000] rcu:     RCU event tracing is enabled.
[    0.000000] rcu:     RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=1.
[    0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[    0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1
[    0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16
[    0.000000] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[    0.000000] arch_timer: cp15 timer(s) running at 24.00MHz (virt).
[    0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x588fe9dc0, max_idle_ns: 440795202592 ns
[    0.000002] sched_clock: 56 bits at 24MHz, resolution 41ns, wraps every 4398046511097ns
[    0.000020] Switching to timer-based delay loop, resolution 41ns
[    0.000271] clocksource: timer: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns
[    0.000710] Console: colour dummy device 80x30
[    0.000798] Calibrating delay loop (skipped), value calculated using timer frequency.. 48.00 BogoMIPS (lpj=240000)
[    0.000823] CPU: Testing write buffer coherency: ok
[    0.000892] pid_max: default: 32768 minimum: 301
[    0.001139] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.001170] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.002515] /cpus/cpu@0 missing clock-frequency property
[    0.002576] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000
[    0.004767] Setting up static identity map for 0x40100000 - 0x40100060
[    0.005199] rcu: Hierarchical SRCU implementation.
[    0.005225] rcu:     Max phase no-delay instances is 1000.
[    0.006533] smp: Bringing up secondary CPUs ...
[    0.006598] smp: Brought up 1 node, 1 CPU
[    0.006618] SMP: Total of 1 processors activated (48.00 BogoMIPS).
[    0.006631] CPU: All CPU(s) started in SVC mode.
[    0.007687] devtmpfs: initialized
[    0.011986] VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 5
[    0.012374] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[    0.012421] futex hash table entries: 256 (order: 2, 16384 bytes, linear)
[    0.012688] pinctrl core: initialized pinctrl subsystem
[    0.015135] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[    0.015760] DMA: preallocated 256 KiB pool for atomic coherent allocations
[    0.017139] thermal_sys: Registered thermal governor 'step_wise'
[    0.017465] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers.
[    0.017497] hw-breakpoint: maximum watchpoint size is 8 bytes.
[    0.031813] usbcore: registered new interface driver usbfs
[    0.031890] usbcore: registered new interface driver hub
[    0.031953] usbcore: registered new device driver usb
[    0.032324] mc: Linux media interface: v0.10
[    0.032414] videodev: Linux video capture interface: v2.00
[    0.032716] Advanced Linux Sound Architecture Driver Initialized.
[    0.034557] clocksource: Switched to clocksource arch_sys_counter
[    0.051664] NET: Registered PF_INET protocol family
[    0.052022] IP idents hash table entries: 2048 (order: 2, 16384 bytes, linear)
[    0.053069] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear)
[    0.053135] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear)
[    0.053156] TCP established hash table entries: 1024 (order: 0, 4096 bytes, linear)
[    0.053184] TCP bind hash table entries: 1024 (order: 2, 16384 bytes, linear)
[    0.053254] TCP: Hash tables configured (established 1024 bind 1024)
[    0.053414] UDP hash table entries: 256 (order: 1, 8192 bytes, linear)
[    0.053482] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes, linear)
[    0.053876] NET: Registered PF_UNIX/PF_LOCAL protocol family
[    0.055543] Initialise system trusted keyrings
[    0.056811] workingset: timestamp_bits=30 max_order=14 bucket_order=0
[    0.057454] JFS: nTxBlock = 390, nTxLock = 3122
[    0.305765] Key type asymmetric registered
[    0.305808] Asymmetric key parser 'x509' registered
[    0.305937] io scheduler mq-deadline registered
[    0.305954] io scheduler kyber registered
[    0.419391] Serial: 8250/16550 driver, 8 ports, IRQ sharing disabled
[    0.432289] dwmac-sun8i 1c30000.ethernet: IRQ eth_wake_irq not found
[    0.432328] dwmac-sun8i 1c30000.ethernet: IRQ eth_lpi not found
[    0.432340] dwmac-sun8i 1c30000.ethernet: IRQ sfty not found
[    0.432444] dwmac-sun8i 1c30000.ethernet: No regulator found
[    0.432568] dwmac-sun8i 1c30000.ethernet: PTP uses main clock
[    0.433221] dwmac-sun8i 1c30000.ethernet: No HW DMA feature register supported
[    0.433255] dwmac-sun8i 1c30000.ethernet: RX Checksum Offload Engine supported
[    0.433264] dwmac-sun8i 1c30000.ethernet: COE Type 2
[    0.433276] dwmac-sun8i 1c30000.ethernet: TX Checksum insertion supported
[    0.433285] dwmac-sun8i 1c30000.ethernet: Normal descriptors
[    0.433293] dwmac-sun8i 1c30000.ethernet: Chain mode enabled
[    0.435657] dwmac-sun8i 1c30000.ethernet: Found internal PHY node
[    0.436406] dwmac-sun8i 1c30000.ethernet: Switch mux to internal PHY
[    0.436441] dwmac-sun8i 1c30000.ethernet: Powering internal PHY
[    0.438295] usbcore: registered new interface driver cdc_ether
[    0.438368] usbcore: registered new interface driver rndis_host
[    0.438409] usbcore: registered new interface driver cdc_subset
[    0.438513] usbcore: registered new interface driver r8153_ecm
[    0.438929] usbcore: registered new interface driver cdc_acm
[    0.438948] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters
[    0.441042] sun6i-rtc 1c20400.rtc: registered as rtc0
[    0.441147] sun6i-rtc 1c20400.rtc: setting system clock to 1970-01-01T01:50:00 UTC (6600)
[    0.441572] i2c_dev: i2c /dev entries driver
[    0.442193] usbcore: registered new interface driver uvcvideo
[    0.443184] sunxi-wdt 1c20ca0.watchdog: Watchdog enabled (timeout=16 sec, nowayout=0)
[    0.444787] sun4i-ss 1c15000.crypto: Die ID 7
[    0.449137] Initializing XFRM netlink socket
[    0.449224] NET: Registered PF_PACKET protocol family
[    0.449774] Registering SWP/SWPB emulation handler
[    0.456232] Loading compiled-in X.509 certificates
[    0.470690] gpio gpiochip0: Static allocation of GPIO base is deprecated, use dynamic allocation.
[    0.475057] sun8i-v3s-pinctrl 1c20800.pinctrl: initialized sunXi PIO driver
[    0.476073] simple-framebuffer 43e89000.framebuffer: framebuffer at 0x43e89000, 0x177000 bytes
[    0.476111] simple-framebuffer 43e89000.framebuffer: format=x8r8g8b8, mode=800x480x32, linelength=3200
[    0.481039] Console: switching to colour frame buffer device 100x30
[    0.484302] simple-framebuffer 43e89000.framebuffer: fb0: simplefb registered!
[    0.485029] sun8i-v3s-pinctrl 1c20800.pinctrl: supply vcc-pb not found, using dummy regulator
[    0.486836] printk: legacy console [ttyS0] disabled
[    0.507863] 1c28000.serial: ttyS0 at MMIO 0x1c28000 (irq = 100, base_baud = 1500000) is a U6_16550A
[    0.507976] printk: legacy console [ttyS0] enabled
[    1.302886] sun8i-v3s-pinctrl 1c20800.pinctrl: supply vcc-pc not found, using dummy regulator
[    1.314128] spi-nand spi0.0: Macronix SPI NAND was found.
[    1.319649] spi-nand spi0.0: 128 MiB, block size: 128 KiB, page size: 2048, OOB size: 64
[    1.328669] 4 fixed-partitions partitions found on MTD device spi0.0
[    1.335187] Creating 4 MTD partitions on "spi0.0":
[    1.340003] 0x000000000000-0x000000100000 : "uboot"
[    1.349026] 0x000000100000-0x000000120000 : "dtb"
[    1.356862] 0x000000120000-0x000000620000 : "kernel"
[    1.370323] 0x000000620000-0x000008000000 : "rootfs"
[    1.518690] phy phy-1c19400.phy.0: Changing dr_mode to 1
[    1.524057] ehci-platform 1c1a000.usb: EHCI Host Controller
[    1.529802] ehci-platform 1c1a000.usb: new USB bus registered, assigned bus number 1
[    1.537827] ehci-platform 1c1a000.usb: irq 103, io mem 0x01c1a000
[    1.545223] Goodix-TS 0-005d: supply AVDD28 not found, using dummy regulator
[    1.552556] Goodix-TS 0-005d: supply VDDIO not found, using dummy regulator
[    1.560040] Goodix-TS 0-005d: Error reading 1 bytes from 0x8140: -6
[    1.566500] ehci-platform 1c1a000.usb: USB 2.0 started, EHCI 1.00
[    1.574078] hub 1-0:1.0: USB hub found
[    1.578129] hub 1-0:1.0: 1 port detected
[    1.604713] Goodix-TS 0-005d: Error reading 1 bytes from 0x8140: -6
[    1.644579] Goodix-TS 0-005d: I2C communication failure: -6
[    1.651445] sun8i-v3s-pinctrl 1c20800.pinctrl: supply vcc-pg not found, using dummy regulator
[    1.666551] sun8i-v3s-pinctrl 1c20800.pinctrl: supply vcc-pf not found, using dummy regulator
[    1.679415] clk: Disabling unused clocks
[    1.683489] ALSA device list:
[    1.686608]   #0: V3s Audio Codec
[    1.703329] sunxi-mmc 1c0f000.mmc: initialized, max. request size: 16384 KB
[    1.710762] Waiting for root device /dev/mmcblk0p2...
[    1.751616] mmc0: host does not support reading read-only switch, assuming write-enable
[    1.761669] mmc0: new high speed SDHC card at address 59b4
[    1.768594] mmcblk0: mmc0:59b4 EZSD1 29.4 GiB
[    1.777277]  mmcblk0: p1 p2
[    1.865303] EXT4-fs (mmcblk0p2): recovery complete
[    1.870377] EXT4-fs (mmcblk0p2): mounted filesystem 8c8a5bb5-5a3d-42ed-afac-715e90ba2c77 r/w with ordered data mode. Quota mode: disabled.
[    1.883067] VFS: Mounted root (ext4 filesystem) on device 179:2.
[    1.899222] devtmpfs: mounted
[    1.903498] Freeing unused kernel image (initmem) memory: 1024K
[    1.909731] Run /sbin/init as init process
[    2.034720] usb 1-1: new high-speed USB device number 2 using ehci-platform
[    2.094635] EXT4-fs (mmcblk0p2): re-mounted 8c8a5bb5-5a3d-42ed-afac-715e90ba2c77 r/w. Quota mode: disabled.
Starting syslogd: OK
Starting klogd: OK
[    2.237437] hub 1-1:1.0: USB hub found
Running sysctl: [    2.251682] hub 1-1:1.0: 4 ports detected
OK
Initializing random number generator... [    3.494549] random: crng init done
done.
Starting network: [    3.623860] dwmac-sun8i 1c30000.ethernet eth0: Register MEM_TYPE_PAGE_POOL RxQ-0
[    3.634900] dwmac-sun8i 1c30000.ethernet eth0: PHY [mdio_mux-0.1:01] driver [Generic PHY] (irq=POLL)
[    3.644107] dwmac-sun8i 1c30000.ethernet eth0: No Safety Features support found
[    3.651561] dwmac-sun8i 1c30000.ethernet eth0: No MAC Management Counters available
[    3.659258] dwmac-sun8i 1c30000.ethernet eth0: PTP not supported by HW
[    3.667258] dwmac-sun8i 1c30000.ethernet eth0: configuring for phy/mii link mode
[    3.688458] dwmac-sun8i 1c30000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx
ip: SIOCGIFFLAGS: No such device
FAIL
Starting sshd: OK