From: Shuming Fan shumingf@realtek.com

If the machine driver level sets the BQ params into the device property, the codec driver will get the BQ params and apply them.

Signed-off-by: Shuming Fan shumingf@realtek.com Reviewed-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- sound/soc/codecs/rt1308-sdw.c | 39 +++++++++++++++++++++++++++++++++++ sound/soc/codecs/rt1308-sdw.h | 2 ++ 2 files changed, 41 insertions(+)

diff --git a/sound/soc/codecs/rt1308-sdw.c b/sound/soc/codecs/rt1308-sdw.c index f99aed353f10..7f4248284f35 100644 --- a/sound/soc/codecs/rt1308-sdw.c +++ b/sound/soc/codecs/rt1308-sdw.c @@ -197,6 +197,17 @@ static void rt1308_apply_calib_params(struct rt1308_sdw_priv *rt1308) efuse_c_btl_l, efuse_c_btl_r); }

+static void rt1308_apply_bq_params(struct rt1308_sdw_priv *rt1308) +{ + unsigned int i, reg, data; + + for (i = 0; i < rt1308->bq_params_cnt; i += 3) { + reg = rt1308->bq_params[i] | (rt1308->bq_params[i + 1] << 8); + data = rt1308->bq_params[i + 2]; + regmap_write(rt1308->regmap, reg, data); + } +} + static int rt1308_io_init(struct device *dev, struct sdw_slave *slave) { struct rt1308_sdw_priv *rt1308 = dev_get_drvdata(dev); @@ -619,14 +630,42 @@ static const struct sdw_slave_ops rt1308_slave_ops = { .bus_config = rt1308_bus_config, };

+static int rt1308_sdw_parse_dt(struct rt1308_sdw_priv *rt1308, struct device *dev) +{ + int ret = 0; + + device_property_read_u32(dev, "realtek,bq-params-cnt", &rt1308->bq_params_cnt); + if (rt1308->bq_params_cnt) { + rt1308->bq_params = devm_kzalloc(dev, rt1308->bq_params_cnt, GFP_KERNEL); + if (!rt1308->bq_params) { + dev_err(dev, "Could not allocate bq_params memory\n"); + ret = -ENOMEM; + } else { + ret = device_property_read_u8_array(dev, "realtek,bq-params", rt1308->bq_params, rt1308->bq_params_cnt); + if (ret < 0) + dev_err(dev, "Could not read list of realtek,bq-params\n"); + } + } + + dev_dbg(dev, "bq_params_cnt=%d\n", rt1308->bq_params_cnt); + return ret; +} + static int rt1308_sdw_component_probe(struct snd_soc_component *component) { + struct rt1308_sdw_priv *rt1308 = snd_soc_component_get_drvdata(component); int ret;

+ rt1308->component = component; + rt1308_sdw_parse_dt(rt1308, &rt1308->sdw_slave->dev); + ret = pm_runtime_resume(component->dev); if (ret < 0 && ret != -EACCES) return ret;

+ /* apply BQ params */ + rt1308_apply_bq_params(rt1308); + return 0; }

diff --git a/sound/soc/codecs/rt1308-sdw.h b/sound/soc/codecs/rt1308-sdw.h index 62ce27799307..1eaaef9f351b 100644 --- a/sound/soc/codecs/rt1308-sdw.h +++ b/sound/soc/codecs/rt1308-sdw.h @@ -166,6 +166,8 @@ struct rt1308_sdw_priv { int rx_mask; int slots; int hw_ver; + unsigned char *bq_params; + unsigned int bq_params_cnt; };

struct sdw_stream_data {