On Thu, Mar 29, 2018 at 10:29 PM, H. Nikolaus Schaller <[email protected]> wrote:
> Another issue I have fixed is that the pcal6524 has 4 registers per > bank while the pcal9555a has only 2. So, you mean it's still in non-working case in Linus' tree? Please, send patches! > This is encoded in the address > constants for the new "L"-registers and has to be taken care of in > pca953x_read_regs_24() and pca953x_write_regs_24(). > > But I still have another problem: > > [ 4.808823] pca953x 4-0022: irq 186: unsupported type 8 > [ 4.814303] genirq: Setting trigger mode 8 for irq 186 failed > (pca953x_irq_set_type+0x0/0xa8) > > This comes from > https://elixir.bootlin.com/linux/v4.16-rc7/source/sound/soc/codecs/ts3a227e.c#L314 > > It appears that the pca953x driver/interrupt-controller can't handle > IRQF_TRIGGER_LOW, but that is hard coded into the ts3a227 driver. > > Anyone with knowledge and help about this issue? This is easy to fix (not read datasheet for better solution though): emulate it via FALLING (LOW) and RISING (HIGH). -- With Best Regards, Andy Shevchenko
