[PATCH v4 10/13] ASoC: SDCA: Add helper to write initialization writes

[Charles Keepax <ckeepax@opensource.cirrus.com>]

Add a helper function to write out the SDCA blind initialization writes.

Acked-by: Vinod Koul <vkoul@kernel.org>
Tested-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Maciej Strozek <mstrozek@opensource.cirrus.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Tested-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
---

No changes since v3.

 include/sound/sdca_regmap.h  |  2 ++
 sound/soc/sdca/sdca_regmap.c | 16 ++++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/include/sound/sdca_regmap.h b/include/sound/sdca_regmap.h
index b2e3c2ad2bb88..792540a530fc4 100644
--- a/include/sound/sdca_regmap.h
+++ b/include/sound/sdca_regmap.h
@@ -27,5 +27,7 @@ int sdca_regmap_populate_constants(struct device *dev, struct sdca_function_data
 
 int sdca_regmap_write_defaults(struct device *dev, struct regmap *regmap,
 			       struct sdca_function_data *function);
+int sdca_regmap_write_init(struct device *dev, struct regmap *regmap,
+			   struct sdca_function_data *function);
 
 #endif // __SDCA_REGMAP_H__
diff --git a/sound/soc/sdca/sdca_regmap.c b/sound/soc/sdca/sdca_regmap.c
index 6fbb241d9d357..2cca9a9c71ea9 100644
--- a/sound/soc/sdca/sdca_regmap.c
+++ b/sound/soc/sdca/sdca_regmap.c
@@ -355,3 +355,19 @@ int sdca_regmap_write_defaults(struct device *dev, struct regmap *regmap,
 	return 0;
 }
 EXPORT_SYMBOL_NS(sdca_regmap_write_defaults, "SND_SOC_SDCA");
+
+int sdca_regmap_write_init(struct device *dev, struct regmap *regmap,
+			   struct sdca_function_data *function)
+{
+	struct sdca_init_write *init = function->init_table;
+	int ret, i;
+
+	for (i = 0; i < function->num_init_table; i++) {
+		ret = regmap_write(regmap, init[i].addr, init[i].val);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_NS(sdca_regmap_write_init, "SND_SOC_SDCA");
-- 
2.47.3