shinys000114/kernel_common_drivers
1
0
Fork 0
mirror of https://github.com/hardkernel/kernel_common_drivers.git synced 2026-06-25 12:03:48 +09:00
Code Issues Packages Projects Releases Wiki Activity

Audio: support pdm dclk 2.048M for 32k [1/1]

Browse Source 
PD#SWPL-123541

Problem:
need support pdm dclk 2.048M for 32k

Solution:
support pdm dclk 2.048M for 32k

Verify:
use t3x

Signed-off-by: jiebing chen <jiebing.chen@amlogic.com>
Change-Id: Idef51bd1047f956fe1933f76c4af7c19d176a1fd
This commit is contained in:
jiebing chen
2023-05-11 16:55:26 +08:00
committed by gerrit autosubmit
parent cabd140c7e
commit c100e8d5fe
2 changed files with 17 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
sound/soc/amlogic/auge/pdm.c
+8
View File
@@ -169,6 +169,7 @@ static const char *const pdm_dclk_texts[] = {
"PDM Dclk 3.072m, support 8k/16k/32k/48k/64k/96k",
"PDM Dclk 1.024m, support 8k/16k",
"PDM Dclk 768k, support 8k/16k",
"PDM Dclk 2.048m, support 32k/16k/8k",
};
static const struct soc_enum pdm_dclk_enum =
@@ -1260,6 +1261,13 @@ static int aml_pdm_platform_probe(struct platform_device *pdev)
pr_debug("%s pdm train sample count from dts:%d\n",
__func__, p_pdm->train_sample_count);
ret = of_property_read_u32(node, "pdm_dclk_id",
&p_pdm->dclk_idx);
if (ret < 0)
p_pdm->dclk_idx = 0;
pr_debug("%s pdm dclk id from dts:%d\n",
__func__, p_pdm->dclk_idx);
if (p_pdm->chipinfo->regulator) {
p_pdm->regulator_vcc3v3 = devm_regulator_get(dev, "pdm3v3");
ret = PTR_ERR_OR_ZERO(p_pdm->regulator_vcc3v3);
sound/soc/amlogic/auge/pdm_hw.c
+9
View File
@@ -532,6 +532,8 @@ int pdm_dclkidx2rate(int idx)
rate = 768000;
else if (idx == 1)
rate = 1024000;
else if (idx == 3)
rate = 2048000;
else
rate = 3072000;
@@ -577,6 +579,13 @@ int pdm_get_ors(int dclk_idx, int sample_rate)
else
pr_err("%s, Not support rate:%d\n",
__func__, sample_rate);
} else if (dclk_idx == 3) {
if (sample_rate == 32000)
osr = 64;
else if (sample_rate == 16000)
osr = 128;
else if (sample_rate == 16000)
osr = 256;
} else {
if (sample_rate == 96000)
osr = 32;