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ASoC: rk3308_codec: add loopback handle delay property

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It may take different time for different PAs(AMPs) to
open, so the delay we need in loopback needs to be
flexible.

Change-Id: I76c98b769e382cef08a6e897bb1d527783660f3b
Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
This commit is contained in:
Xing Zheng
2018-07-04 11:52:23 +08:00
committed by Tao Huang
parent 616ff66320
commit 36615e7b17
1 changed files with 6 additions and 1 deletions
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7
sound/soc/codecs/rk3308_codec.c
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@@ -143,6 +143,7 @@ struct rk3308_codec_priv {
u32 loopback_grp;
u32 i2s_sdis[ADC_LR_GROUP_MAX];
u32 to_i2s_grps;
u32 delay_loopback_handle_ms;
int which_i2s;
int irq;
int adc_grp0_using_linein;
@@ -2765,7 +2766,7 @@ static int rk3308_pcm_trigger(struct snd_pcm_substream *substream,
if (capture_str->substream_opened)
queue_delayed_work(system_power_efficient_wq,
&rk3308->loopback_work,
msecs_to_jiffies(LOOPBACK_HANDLE_MS));
msecs_to_jiffies(rk3308->delay_loopback_handle_ms));
} else if (cmd == SNDRV_PCM_TRIGGER_STOP) {
/*
* Switch to dummy bist mode to kick the glitch during disable
@@ -3674,6 +3675,10 @@ static int rk3308_platform_probe(struct platform_device *pdev)
rk3308->no_deep_low_power =
of_property_read_bool(np, "rockchip,no-deep-low-power");
rk3308->delay_loopback_handle_ms = LOOPBACK_HANDLE_MS;
ret = of_property_read_u32(np, "rockchip,delay-loopback-handle-ms",
&rk3308->delay_loopback_handle_ms);
rk3308->loopback_grp = LOOPBACK_NO_USE;
ret = of_property_read_u32(np, "rockchip,loopback-grp",
&rk3308->loopback_grp);