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ASoC: rockchip: pdm: Add support for HPF control

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This patch add support for HPF control that allow user
to change HPF cut off freq or on/off HPF.

Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
Change-Id: I33c4ebe8499eabd0770f5454129391d3aea2e28d
This commit is contained in:
Sugar Zhang
2023-10-15 11:26:31 +08:00
committed by Tao Huang
parent 06854ed129
commit 04219ca7f0
1 changed files with 11 additions and 0 deletions
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11
sound/soc/rockchip/rockchip_pdm.c
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@@ -577,12 +577,23 @@ static SOC_ENUM_SINGLE_DECL(rpath2_enum, PDM_CLK_CTRL, 12, rpaths_text);
static SOC_ENUM_SINGLE_DECL(rpath1_enum, PDM_CLK_CTRL, 10, rpaths_text);
static SOC_ENUM_SINGLE_DECL(rpath0_enum, PDM_CLK_CTRL, 8, rpaths_text);
static const char * const hpf_cutoff_text[] = {
"3.79Hz", "60Hz", "243Hz", "493Hz",
};
static SOC_ENUM_SINGLE_DECL(hpf_cutoff_enum, PDM_HPF_CTRL,
0, hpf_cutoff_text);
static const struct snd_kcontrol_new rockchip_pdm_controls[] = {
SOC_ENUM("Receive PATH3 Source Select", rpath3_enum),
SOC_ENUM("Receive PATH2 Source Select", rpath2_enum),
SOC_ENUM("Receive PATH1 Source Select", rpath1_enum),
SOC_ENUM("Receive PATH0 Source Select", rpath0_enum),
SOC_ENUM("HPF Cutoff", hpf_cutoff_enum),
SOC_SINGLE("HPFL Switch", PDM_HPF_CTRL, 3, 1, 0),
SOC_SINGLE("HPFR Switch", PDM_HPF_CTRL, 2, 1, 0),
{
.iface = SNDRV_CTL_ELEM_IFACE_PCM,
.name = "PDM Start Delay Ms",