diff options
Diffstat (limited to 'sound/soc/codecs/rt715-sdw.c')
-rw-r--r-- | sound/soc/codecs/rt715-sdw.c | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/sound/soc/codecs/rt715-sdw.c b/sound/soc/codecs/rt715-sdw.c index ec255ada44e0..cd702574c84b 100644 --- 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) { |