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asoc: lpass-cdc: Handle pbr clk based with its ref cnt.

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Disable the common pbr clk register only when no one uses
RX0 and RX1 channels.

Change-Id: Ia5fab1d3e4be7d9ecb01ad0b612b9f6ef7406bea
Signed-off-by: Ganapathiraju Sarath Varma <quic_ganavarm@quicinc.com>
This commit is contained in:
Ganapathiraju Sarath Varma
2022-08-25 23:56:53 +05:30
committed by Gerrit - the friendly Code Review server
parent 3211af5e43
commit 8280a19ab8
2 changed files with 26 additions and 12 deletions
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19
asoc/codecs/lpass-cdc/lpass-cdc-wsa-macro.c
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@@ -317,6 +317,7 @@ struct lpass_cdc_wsa_macro_priv {
u8 idle_detect_en;
int noise_gate_mode;
bool pre_dev_up;
int pbr_clk_users;
};
static struct snd_soc_dai_driver lpass_cdc_wsa_macro_dai[];
@@ -1580,15 +1581,18 @@ static int lpass_cdc_was_macro_config_pbr(struct snd_soc_component *component,
reg3, 0x80, 0x80);
lpass_cdc_wsa_macro_enable_softclip_clk(component, wsa_priv,
softclip_path, true);
snd_soc_component_update_bits(component,
LPASS_CDC_WSA_PBR_PATH_CTL,
0x01, 0x01);
if (wsa_priv->pbr_clk_users == 0)
snd_soc_component_update_bits(component,
LPASS_CDC_WSA_PBR_PATH_CTL,
0x01, 0x01);
++wsa_priv->pbr_clk_users;
}
if (SND_SOC_DAPM_EVENT_OFF(event)) {
snd_soc_component_update_bits(component,
LPASS_CDC_WSA_PBR_PATH_CTL,
0x01, 0x00);
if (wsa_priv->pbr_clk_users == 1)
snd_soc_component_update_bits(component,
LPASS_CDC_WSA_PBR_PATH_CTL,
0x01, 0x00);
lpass_cdc_wsa_macro_enable_softclip_clk(component, wsa_priv,
softclip_path, false);
snd_soc_component_update_bits(component,
@@ -1597,6 +1601,9 @@ static int lpass_cdc_was_macro_config_pbr(struct snd_soc_component *component,
reg2, 0x40, 0x00);
snd_soc_component_update_bits(component,
reg3, 0x80, 0x00);
--wsa_priv->pbr_clk_users;
if (wsa_priv->pbr_clk_users < 0)
wsa_priv->pbr_clk_users = 0;
}
return 0;
}