ASoC: wcd9310: make CFILT adjust time as a module parameter
Some of accessories on the headset jack takes longer to settle down
voltage. Make adjust time to be configurable so those accessories can
be detected correctly.
Change-Id: I3c2f68c8a4bb1a8f94669bd910728f014ee39874
Signed-off-by: Joonwoo Park <joonwoop@codeaurora.org>
diff --git a/sound/soc/codecs/wcd9310.c b/sound/soc/codecs/wcd9310.c
index 59cb45b..706963d 100644
--- a/sound/soc/codecs/wcd9310.c
+++ b/sound/soc/codecs/wcd9310.c
@@ -35,6 +35,10 @@
#include <linux/gpio.h>
#include "wcd9310.h"
+static int cfilt_adjust_ms = 10;
+module_param(cfilt_adjust_ms, int, 0644);
+MODULE_PARM_DESC(cfilt_adjust_ms, "delay after adjusting cfilt voltage in ms");
+
#define WCD9310_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 |\
SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000 |\
SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000)
@@ -2479,11 +2483,11 @@
cfilt_k_val = tabla_find_k_value(
tabla->pdata->micbias.ldoh_v,
VDDIO_MICBIAS_MV);
- usleep_range(10000, 10000);
snd_soc_update_bits(codec,
tabla->mbhc_bias_regs.cfilt_val,
0xFC, (cfilt_k_val << 2));
- usleep_range(10000, 10000);
+ usleep_range(cfilt_adjust_ms * 1000,
+ cfilt_adjust_ms * 1000);
snd_soc_write(codec, TABLA_A_CDC_MBHC_VOLT_B1_CTL,
tabla->mbhc_data.adj_v_ins_hu & 0xFF);
snd_soc_write(codec, TABLA_A_CDC_MBHC_VOLT_B2_CTL,
@@ -2517,7 +2521,8 @@
snd_soc_update_bits(codec,
tabla->mbhc_bias_regs.cfilt_val,
0xFC, (cfilt_k_val << 2));
- usleep_range(10000, 10000);
+ usleep_range(cfilt_adjust_ms * 1000,
+ cfilt_adjust_ms * 1000);
snd_soc_write(codec, TABLA_A_CDC_MBHC_VOLT_B1_CTL,
tabla->mbhc_data.v_ins_hu & 0xFF);
snd_soc_write(codec, TABLA_A_CDC_MBHC_VOLT_B2_CTL,