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authorShuming Fan <shumingf@realtek.com>2022-11-09 10:12:34 +0100
committerMark Brown <broonie@kernel.org>2022-11-10 21:42:21 +0100
commit5efb40b335a70010999311187be4517f5f114009 (patch)
treeae42c03b334bb13c75bc894e4b33a29f64dff7a6 /sound/soc/codecs/rt1308-sdw.c
parentLinux 6.1-rc4 (diff)
downloadlinux-5efb40b335a70010999311187be4517f5f114009.tar.xz
linux-5efb40b335a70010999311187be4517f5f114009.zip
ASoC: rt1308-sdw: get BQ params property and apply them
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 Link: https://lore.kernel.org/r/20221109091234.17180-1-shumingf@realtek.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/rt1308-sdw.c')
-rw-r--r--sound/soc/codecs/rt1308-sdw.c39
1 files changed, 39 insertions, 0 deletions
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;
}