Unverified Commit 5c903f64 authored by Charles Keepax's avatar Charles Keepax Committed by Mark Brown
Browse files

firmware: cs_dsp: Allow creation of event controls 



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: default avatarCharles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20211117132300.1290-10-ckeepax@opensource.cirrus.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent f444da38

drivers/firmware/cirrus/cs_dsp.c

+1 −0
Original line number Diff line number Diff line
@@ -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 |

include/linux/firmware/cirrus/wmfw.h

+1 −0
Original line number Diff line number Diff line
@@ -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];