ASoC: rt715: Remove unused hda_to_sdw

hda_to_sdw() has been unused since it was added in 2020 as part of the
commit d1ede0641b05 ("ASoC: rt715: add RT715 codec driver")

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://patch.msgid.link/20241216135110.53426-1-linux@treblig.org
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/codecs/rt715-sdw.c b/sound/soc/codecs/rt715-sdw.c
index ec255ada44e070fa8ba5f489d906936e1b6f91a6..cd702574c84b5e0865799e3b453dbd0933469a2e 100644 (file)
--- a/sound/soc/codecs/rt715-sdw.c
+++ b/sound/soc/codecs/rt715-sdw.c
@@ -372,47 +372,6 @@ static const struct regmap_config rt715_sdw_regmap = {
        .use_single_write = true,
 };
 
-int hda_to_sdw(unsigned int nid, unsigned int verb, unsigned int payload,
-              unsigned int *sdw_addr_h, unsigned int *sdw_data_h,
-              unsigned int *sdw_addr_l, unsigned int *sdw_data_l)
-{
-       unsigned int offset_h, offset_l, e_verb;
-
-       if (((verb & 0xff) != 0) || verb == 0xf00) { /* 12 bits command */
-               if (verb == 0x7ff) /* special case */
-                       offset_h = 0;
-               else
-                       offset_h = 0x3000;
-
-               if (verb & 0x800) /* get command */
-                       e_verb = (verb - 0xf00) | 0x80;
-               else /* set command */
-                       e_verb = (verb - 0x700);
-
-               *sdw_data_h = payload; /* 7 bits payload */
-               *sdw_addr_l = *sdw_data_l = 0;
-       } else { /* 4 bits command */
-               if ((verb & 0x800) == 0x800) { /* read */
-                       offset_h = 0x9000;
-                       offset_l = 0xa000;
-               } else { /* write */
-                       offset_h = 0x7000;
-                       offset_l = 0x8000;
-               }
-               e_verb = verb >> 8;
-               *sdw_data_h = (payload >> 8); /* 16 bits payload [15:8] */
-               *sdw_addr_l = (e_verb << 8) | nid | 0x80; /* 0x80: valid bit */
-               *sdw_addr_l += offset_l;
-               *sdw_data_l = payload & 0xff;
-       }
-
-       *sdw_addr_h = (e_verb << 8) | nid;
-       *sdw_addr_h += offset_h;
-
-       return 0;
-}
-EXPORT_SYMBOL(hda_to_sdw);
-
 static int rt715_update_status(struct sdw_slave *slave,
                                enum sdw_slave_status status)
 {

diff --git a/sound/soc/codecs/rt715.h b/sound/soc/codecs/rt715.h
index 6e37bf64e12f89660d7ffa74c11e72237f042dd3..a0c56aa1003a095e4339f273ad7b6bea37f04f58 100644 (file)
--- a/sound/soc/codecs/rt715.h
+++ b/sound/soc/codecs/rt715.h
@@ -220,8 +220,5 @@ int rt715_io_init(struct device *dev, struct sdw_slave *slave);
 int rt715_init(struct device *dev, struct regmap *sdw_regmap,
        struct regmap *regmap, struct sdw_slave *slave);
 
-int hda_to_sdw(unsigned int nid, unsigned int verb, unsigned int payload,
-              unsigned int *sdw_addr_h, unsigned int *sdw_data_h,
-              unsigned int *sdw_addr_l, unsigned int *sdw_data_l);
 int rt715_clock_config(struct device *dev);
 #endif /* __RT715_H__ */