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/rt1316-sdw.c | 39 +++++++++++++++++++++++++++++++++++ sound/soc/codecs/rt1316-sdw.h | 2 ++ 2 files changed, 41 insertions(+)

diff --git a/sound/soc/codecs/rt1316-sdw.c b/sound/soc/codecs/rt1316-sdw.c index ed0a11436362..2db7ee6c6d33 100644 --- a/sound/soc/codecs/rt1316-sdw.c +++ b/sound/soc/codecs/rt1316-sdw.c @@ -254,6 +254,17 @@ static int rt1316_read_prop(struct sdw_slave *slave) return 0; }

+static void rt1316_apply_bq_params(struct rt1316_sdw_priv *rt1316) +{ + unsigned int i, reg, data; + + for (i = 0; i < rt1316->bq_params_cnt; i += 3) { + reg = rt1316->bq_params[i] | (rt1316->bq_params[i + 1] << 8); + data = rt1316->bq_params[i + 2]; + regmap_write(rt1316->regmap, reg, data); + } +} + static int rt1316_io_init(struct device *dev, struct sdw_slave *slave) { struct rt1316_sdw_priv *rt1316 = dev_get_drvdata(dev); @@ -590,14 +601,42 @@ static struct sdw_slave_ops rt1316_slave_ops = { .update_status = rt1316_update_status, };

+static int rt1316_sdw_parse_dt(struct rt1316_sdw_priv *rt1316, struct device *dev) +{ + int ret = 0; + + device_property_read_u32(dev, "realtek,bq-params-cnt", &rt1316->bq_params_cnt); + if (rt1316->bq_params_cnt) { + rt1316->bq_params = devm_kzalloc(dev, rt1316->bq_params_cnt, GFP_KERNEL); + if (!rt1316->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", rt1316->bq_params, rt1316->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", rt1316->bq_params_cnt); + return ret; +} + static int rt1316_sdw_component_probe(struct snd_soc_component *component) { + struct rt1316_sdw_priv *rt1316 = snd_soc_component_get_drvdata(component); int ret;

+ rt1316->component = component; + rt1316_sdw_parse_dt(rt1316, &rt1316->sdw_slave->dev); + ret = pm_runtime_resume(component->dev); if (ret < 0 && ret != -EACCES) return ret;

+ /* apply BQ params */ + rt1316_apply_bq_params(rt1316); + return 0; }

diff --git a/sound/soc/codecs/rt1316-sdw.h b/sound/soc/codecs/rt1316-sdw.h index cbcdaa8f8cfa..57dbd49993b0 100644 --- a/sound/soc/codecs/rt1316-sdw.h +++ b/sound/soc/codecs/rt1316-sdw.h @@ -46,6 +46,8 @@ struct rt1316_sdw_priv { struct sdw_bus_params params; bool hw_init; bool first_hw_init; + unsigned char *bq_params; + unsigned int bq_params_cnt; };

struct sdw_stream_data {