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firmware: cs_dsp: Add support for rev 2 coefficient files 

Add support for the revision 2 coefficient file, this format is
identical to revision 1 and was simply added by accident to some
firmware. However unfortunately many firmwares have leaked into
production using this and as such driver support really needs to
be added for it.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20211117132300.1290-6-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Charles Keepax 2021-11-17 13:22:56 +00:00 committed by Mark Brown
parent 40a34ae730
commit dcee767667
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GPG Key ID: 24D68B725D5487D0
1 changed files with 1 additions and 0 deletions
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drivers/firmware/cirrus/cs_dsp.c
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@ -1990,6 +1990,7 @@ static int cs_dsp_load_coeff(struct cs_dsp *dsp, const struct firmware *firmware
switch (be32_to_cpu(hdr->rev) & 0xff) {
case 1:
case 2:
break;
default:
cs_dsp_err(dsp, "%s: Unsupported coefficient file format %d\n",