Re: [PATCH] spi: ljca: Don't require data in write replies
From: Sakari Ailus
Date: Wed Nov 04 2026 - 06:34:34 EST
Hi Arpith,
On Tue, Nov 03, 2026 at 06:44:35PM +0530, Arpith Alexander wrote:
> Where the Intel Visual Sensing Controller (IVSC) is connected through
> the LJCA, as on the Dell XPS 13 9340, its initialisation fails and the
> camera behind it is lost:
>
> spi_ljca usb_ljca.ljca-spi.0: transfer failed len: 256
> vsc-tp spi-INTC10D0:00: SPI transfer failed: -5
> intel_vsc intel_vsc: error -ENODEV: init hw failed
Indeed. I can also confirm this is the case on Dell XPS 9315. I guess it's
the same on all systems with LJCA.
Acked-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Mark: can we get this in as a fix for v7.4?
--
Regards,
Sakari Ailus