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authorNaveen M <naveen.m@intel.com>2017-05-15 13:42:15 +0530
committerMark Brown <broonie@kernel.org>2017-05-24 18:27:47 +0100
commit54746dabf770eb268d302f2f770d6dacea24f08a (patch)
tree422328eebb17e255b1e79fc61235b9997492f924 /sound/soc/intel/common
parent7827d66946ad3af734ed46d1d68c23fa6974595c (diff)
downloadlinux-54746dabf770eb268d302f2f770d6dacea24f08a.tar.bz2
ASoC: Improve machine driver selection based on quirk data
Use quirk function to select the correct machine driver by checking all codecs instead of only one based on quirk data. Signed-off-by: Naveen M <naveen.m@intel.com> Signed-off-by: Harsha Priya <harshapriya.n@intel.com> Acked-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/intel/common')
-rw-r--r--sound/soc/intel/common/sst-acpi.h20
-rw-r--r--sound/soc/intel/common/sst-match-acpi.c18
2 files changed, 38 insertions, 0 deletions
diff --git a/sound/soc/intel/common/sst-acpi.h b/sound/soc/intel/common/sst-acpi.h
index 3649d3b08c9e..afe9b87b8bd5 100644
--- a/sound/soc/intel/common/sst-acpi.h
+++ b/sound/soc/intel/common/sst-acpi.h
@@ -58,5 +58,25 @@ struct sst_acpi_mach {
/* board name */
const char *board;
struct sst_acpi_mach * (*machine_quirk)(void *arg);
+ const void *quirk_data;
void *pdata;
};
+
+#define SST_ACPI_MAX_CODECS 3
+
+/**
+ * struct sst_codecs: Structure to hold secondary codec information apart from
+ * the matched one, this data will be passed to the quirk function to match
+ * with the ACPI detected devices
+ *
+ * @num_codecs: number of secondary codecs used in the platform
+ * @codecs: holds the codec IDs
+ *
+ */
+struct sst_codecs {
+ int num_codecs;
+ u8 codecs[SST_ACPI_MAX_CODECS][ACPI_ID_LEN];
+};
+
+/* check all codecs */
+struct sst_acpi_mach *sst_acpi_codec_list(void *arg);
diff --git a/sound/soc/intel/common/sst-match-acpi.c b/sound/soc/intel/common/sst-match-acpi.c
index 88e4977578b5..56d26f36a3cb 100644
--- a/sound/soc/intel/common/sst-match-acpi.c
+++ b/sound/soc/intel/common/sst-match-acpi.c
@@ -151,5 +151,23 @@ bool sst_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN],
}
EXPORT_SYMBOL_GPL(sst_acpi_find_package_from_hid);
+struct sst_acpi_mach *sst_acpi_codec_list(void *arg)
+{
+ struct sst_acpi_mach *mach = arg;
+ struct sst_codecs *codec_list = (struct sst_codecs *) mach->quirk_data;
+ int i;
+
+ if (mach->quirk_data == NULL)
+ return mach;
+
+ for (i = 0; i < codec_list->num_codecs; i++) {
+ if (sst_acpi_check_hid(codec_list->codecs[i]) != true)
+ return NULL;
+ }
+
+ return mach;
+}
+EXPORT_SYMBOL_GPL(sst_acpi_codec_list);
+
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("Intel Common ACPI Match module");