On 18/02/2020 1.36, Tony Lindgren wrote: > * Tony Lindgren <tony@xxxxxxxxxxx> [200217 23:10]: >> * Peter Ujfalusi <peter.ujfalusi@xxxxxx> [200217 12:10]: >>> On 14/02/2020 19.03, Tony Lindgren wrote: >>>> But right now in droid4 voice call case mcbsp is just the i2s transport, >>>> and everything happens betwee the modem and the cpcap pmic. >>> >>> Iow you don't need McBSP DAI at all. If you would have added the dummy >>> codec to McBSP !3 and use that, it would work in a same way, or to DMIC >>> or McPDM... >>> >>> The McBSP ops are NULL for the dummy dai, so McBSP is turned off. >> >> Hmm yeah I don't know if the cpcap codec on the same mcbsp needs >> mcbsp for voice call. >> >> According to Sebastian sounds like mcbsp can be idle at that point. >> >> But what about capture of voice call at the mcbsp from the >> TDM slot? In that case mcbsp would be active. > > Looks like only initializing only one mcbsp3 instance here > instead of two will produce an oops as below. > > I'm not sure how this is supposed to work for > snd-soc-audio-graph-card with multipe endpoints connected > to just one mcbsp dai instance? > > Regards, > > Tony > > 8< ------------------- What is the kernel version? The context is missing... Who printed the line: dev_err(dev, "ASoC: Failed to register DAIs: %d\n", ret); This is only possible if snd_soc_component_initialize() fail, which can only fail if snd_soc_component_unique_name() fails. > Internal error: Oops: 805 [#1] PREEMPT SMP ARM > snd_soc_del_component_unlocked+0xf4/0x110 Not too helpful ;) > ... > [ 39.616027] Backtrace: > [ 39.616149] [<bf3f6bc4>] (snd_soc_del_component_unlocked [snd_soc_core]) from [<bf3f8ff4>] (snd_soc_add_component+0x238/0x374 [snd_s) > [ 39.616149] r7:00000002 r6:00000002 r5:ec9a0e78 r4:00000122 > [ 39.678283] qmi_wwan 1-1:1.6: cdc-wdm1: USB WDM device > [ 39.739074] [<bf3f8dbc>] (snd_soc_add_component [snd_soc_core]) from [<bf3f9180>] (snd_soc_register_component+0x50/0x60 [snd_soc_cor) > [ 39.739074] r10:bf4582d0 r9:ec9d0840 r8:00000002 r7:00000002 r6:ec9d0640 r5:bf4584ac > [ 39.800842] asoc-audio-graph-card soundcard: using device tree for GPIO lookup > [ 39.808685] r4:eed52410 > [ 39.862304] [<bf3f9130>] (snd_soc_register_component [snd_soc_core]) from [<bf4088b4>] (devm_snd_soc_register_component+0x54/0x90 [s) > [ 39.862304] r7:ec9d0640 r6:bf4584ac r5:ec9d3040 r4:eed52410 > [ 39.925048] qmi_wwan 1-1:1.6 wwan1: register 'qmi_wwan' at usb-4a064800.ohci-1, WWAN/QMI device, 2e:59:df:3f:4f:ef > [ 39.984558] [<bf408860>] (devm_snd_soc_register_component [snd_soc_core]) from [<bf456fb8>] (asoc_mcbsp_probe+0x3e8/0x574 [snd_soc_o) > [ 39.984558] r9:ec9d0840 r8:ec9f4000 r7:eed52410 r6:00000000 r5:eed52400 r4:ec9d0840 > [ 39.984588] [<bf456bd0>] (asoc_mcbsp_probe [snd_soc_omap_mcbsp]) from [<c068475c>] (platform_drv_probe+0x58/0xa8) > [ 39.984619] r10:00000000 r9:0000002e r8:bf459014 r7:00000000 r6:bf459014 r5:00000000 > [ 40.044342] of_get_named_gpiod_flags: can't parse 'pa-gpios' property of node '/soundcard[0]' > [ 40.051788] r4:eed52410 > [ 40.100769] [<c0684704>] (platform_drv_probe) from [<c06820ac>] (really_probe+0x1ec/0x358) > - Péter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
