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ASoC: rx-macro: Update rx droop based on sampling rate

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Update rx droop based on sampling rate to avoid change in
gains between different sampling rates.

Change-Id: Icb2b0bc51a61395c2ee96f63c29555614fe9e505
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
This commit is contained in:
Sudheer Papothi 2019-11-09 03:22:31 +05:30
commit cef55160eb
1 changed files with 21 additions and 1 deletions
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22
asoc/codecs/bolero/rx-macro.c
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@ -1667,7 +1667,9 @@ static int rx_macro_config_compander(struct snd_soc_component *component,
int interp_n, int event)
{
int comp = 0;
u16 comp_ctl0_reg = 0, rx_path_cfg0_reg = 0;
u16 comp_ctl0_reg = 0, rx_path_cfg0_reg = 0, rx_path_cfg3_reg = 0;
u16 rx0_path_ctl_reg = 0;
u8 pcm_rate = 0, val = 0;
/* AUX does not have compander */
if (interp_n == INTERP_AUX)
@ -1684,6 +1686,20 @@ static int rx_macro_config_compander(struct snd_soc_component *component,
(comp * RX_MACRO_COMP_OFFSET);
rx_path_cfg0_reg = BOLERO_CDC_RX_RX0_RX_PATH_CFG0 +
(comp * RX_MACRO_RX_PATH_OFFSET);
rx_path_cfg3_reg = BOLERO_CDC_RX_RX0_RX_PATH_CFG3 +
(comp * RX_MACRO_RX_PATH_OFFSET);
rx0_path_ctl_reg = BOLERO_CDC_RX_RX0_RX_PATH_CTL +
(comp * RX_MACRO_RX_PATH_OFFSET);
pcm_rate = (snd_soc_component_read32(component, rx0_path_ctl_reg)
& 0x0F);
if (pcm_rate < 0x06)
val = 0x03;
else if (pcm_rate < 0x08)
val = 0x01;
else if (pcm_rate < 0x0B)
val = 0x02;
else
val = 0x00;
if (SND_SOC_DAPM_EVENT_ON(event)) {
/* Enable Compander Clock */
@ -1695,6 +1711,8 @@ static int rx_macro_config_compander(struct snd_soc_component *component,
0x02, 0x00);
snd_soc_component_update_bits(component, rx_path_cfg0_reg,
0x02, 0x02);
snd_soc_component_update_bits(component, rx_path_cfg3_reg,
0x03, val);
}
if (SND_SOC_DAPM_EVENT_OFF(event)) {
@ -1706,6 +1724,8 @@ static int rx_macro_config_compander(struct snd_soc_component *component,
0x01, 0x00);
snd_soc_component_update_bits(component, comp_ctl0_reg,
0x04, 0x00);
snd_soc_component_update_bits(component, rx_path_cfg3_reg,
0x03, 0x03);
}
return 0;