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ASoC: rockchip: i2s: Add "BCLK_Ratio" kcontrol

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This patch allow user to set bclk-ratio by kcontrols.

Signed-off-by: Sugar Zhang <sugar.zhang@rock-chips.com>
Change-Id: I6ddf153bc5fd7558e3ba5d4138739a477d9facc6
This commit is contained in:
Sugar Zhang
2023-02-09 15:22:56 +08:00
parent 1f85aed306
commit b0bc0c46c3
1 changed files with 30 additions and 0 deletions
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30
sound/soc/rockchip/rockchip_i2s.c
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@@ -657,6 +657,32 @@ static struct snd_soc_dai_driver rockchip_i2s_dai = {
.ops = &rockchip_i2s_dai_ops,
};
static int rockchip_i2s_get_bclk_ratio(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *compnt = snd_soc_kcontrol_component(kcontrol);
struct rk_i2s_dev *i2s = snd_soc_component_get_drvdata(compnt);
ucontrol->value.integer.value[0] = i2s->bclk_ratio;
return 0;
}
static int rockchip_i2s_put_bclk_ratio(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_component *compnt = snd_soc_kcontrol_component(kcontrol);
struct rk_i2s_dev *i2s = snd_soc_component_get_drvdata(compnt);
int value = ucontrol->value.integer.value[0];
if (value == i2s->bclk_ratio)
return 0;
i2s->bclk_ratio = value;
return 1;
}
static int rockchip_i2s_wait_time_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
@@ -725,6 +751,10 @@ static int rockchip_i2s_wr_wait_time_put(struct snd_kcontrol *kcontrol,
.get = xhandler_get, .put = xhandler_put }
static const struct snd_kcontrol_new rockchip_i2s_snd_controls[] = {
SOC_SINGLE_EXT("BCLK Ratio", 0, 0, INT_MAX, 0,
rockchip_i2s_get_bclk_ratio,
rockchip_i2s_put_bclk_ratio),
SAI_PCM_WAIT_TIME("PCM Read Wait Time MS",
rockchip_i2s_rd_wait_time_get,
rockchip_i2s_rd_wait_time_put),