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firmware: cs_dsp: Allow creation of event controls

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Some firmwares contain controls intended to convey firmware state back
to the host. Whilst more infrastructure will probably be needed for
these in time, as a first step allow creation of the controls, so said
firmwares arn't completely rejected.

Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20211117132300.1290-10-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Charles Keepax 2021-11-17 13:23:00 +00:00 committed by Mark Brown
parent f444da38ac
commit 5c903f64ce
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GPG Key ID: 24D68B725D5487D0
2 changed files with 2 additions and 0 deletions
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1
drivers/firmware/cirrus/cs_dsp.c
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@ -1177,6 +1177,7 @@ static int cs_dsp_parse_coeff(struct cs_dsp *dsp,
return -EINVAL;
break;
case WMFW_CTL_TYPE_HOSTEVENT:
case WMFW_CTL_TYPE_FWEVENT:
ret = cs_dsp_check_coeff_flags(dsp, &coeff_blk,
WMFW_CTL_FLAG_SYS |
WMFW_CTL_FLAG_VOLATILE |

1
include/linux/firmware/cirrus/wmfw.h
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@ -29,6 +29,7 @@
#define WMFW_CTL_TYPE_ACKED 0x1000 /* acked control */
#define WMFW_CTL_TYPE_HOSTEVENT 0x1001 /* event control */
#define WMFW_CTL_TYPE_HOST_BUFFER 0x1002 /* host buffer pointer */
#define WMFW_CTL_TYPE_FWEVENT 0x1004 /* firmware event control */
struct wmfw_header {
char magic[4];