Re: [PATCH] [media] solo6x10: fix detection of TW2864B chips
From: Andrey Utkin
Date: Sat Jul 01 2017 - 11:18:14 EST
On Sat, Jul 01, 2017 at 03:26:01PM +0400, Anton Sviridenko wrote:
> This patch enables support for non-Bluecherry labeled solo6110
> based PCI cards which have 3 x TW2864B chips and one TW2865.
> These cards are displayed by lspci -nn as
> "Softlogic Co., Ltd. SOLO6110 H.264 Video encoder/decoder [9413:6110]"
> Bluecherry cards have 4 x TW2864A. According to datasheet register 0xFF
> of TW2864B chips contains value 0x6A or 0x6B depending on revision
> which being shifted 3 bits right gives value 0x0d.
> Existing version of solo6x10 fails on these cards with
> [276582.344942] solo6x10 0000:07:00.0: Probing Softlogic 6110
> [276582.402151] solo6x10 0000:07:00.0: Could not initialize any techwell chips
> [276582.402781] solo6x10: probe of 0000:07:00.0 failed with error -22
> Signed-off-by: Anton Sviridenko <anton@xxxxxxxxxxxxxxxxxxx>
Acked-by: Andrey Utkin <andrey_utkin@xxxxxxxxxxxx>
I have looked into same case long time ago, just haven't managed to