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ASoC: twl6040: Configure ramp step based on platform

Browse source 
Enable ramp down/up step to be configured based on
platform.

Signed-off-by: Axel Castaneda Gonzalez <x0055901@ti.com>
Signed-off-by: Misael Lopez Cruz <misael.lopez@ti.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Axel Castaneda Gonzalez 2011-02-23 20:08:28 -06:00 committed by Peter Ujfalusi
parent f7026c9996
commit 1fbe99529d
2 changed files with 75 additions and 20 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
include/linux/i2c/twl.h
View file

@ -664,6 +664,10 @@ struct twl4030_codec_data {
unsigned int check_defaults:1;
unsigned int reset_registers:1;
unsigned int hs_extmute:1;
u16 hs_left_step;
u16 hs_right_step;
u16 hf_left_step;
u16 hf_right_step;
void (*set_hs_extmute)(int mute);
};

91
sound/soc/codecs/twl6040.c
View file

@ -83,6 +83,10 @@ struct twl6040_data {
int hs_power_mode_locked;
unsigned int clk_in;
unsigned int sysclk;
u16 hs_left_step;
u16 hs_right_step;
u16 hf_left_step;
u16 hf_right_step;
struct snd_pcm_hw_constraint_list *sysclk_constraints;
struct twl6040_jack_data hs_jack;
struct snd_soc_codec *codec;
@ -339,7 +343,11 @@ static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec,
if (headset->ramp == TWL6040_RAMP_UP) {
/* ramp step up */
if (val < headset->left_vol) {
val += left_step;
if (val + left_step > headset->left_vol)
val = headset->left_vol;
else
val += left_step;
reg &= ~TWL6040_HSL_VOL_MASK;
twl6040_write(codec, TWL6040_REG_HSGAIN,
(reg | (~val & TWL6040_HSL_VOL_MASK)));
@ -349,7 +357,11 @@ static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec,
} else if (headset->ramp == TWL6040_RAMP_DOWN) {
/* ramp step down */
if (val > 0x0) {
val -= left_step;
if ((int)val - (int)left_step < 0)
val = 0;
else
val -= left_step;
reg &= ~TWL6040_HSL_VOL_MASK;
twl6040_write(codec, TWL6040_REG_HSGAIN, reg |
(~val & TWL6040_HSL_VOL_MASK));
@ -366,7 +378,11 @@ static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec,
if (headset->ramp == TWL6040_RAMP_UP) {
/* ramp step up */
if (val < headset->right_vol) {
val += right_step;
if (val + right_step > headset->right_vol)
val = headset->right_vol;
else
val += right_step;
reg &= ~TWL6040_HSR_VOL_MASK;
twl6040_write(codec, TWL6040_REG_HSGAIN,
(reg | (~val << TWL6040_HSR_VOL_SHIFT)));
@ -376,7 +392,11 @@ static inline int twl6040_hs_ramp_step(struct snd_soc_codec *codec,
} else if (headset->ramp == TWL6040_RAMP_DOWN) {
/* ramp step down */
if (val > 0x0) {
val -= right_step;
if ((int)val - (int)right_step < 0)
val = 0;
else
val -= right_step;
reg &= ~TWL6040_HSR_VOL_MASK;
twl6040_write(codec, TWL6040_REG_HSGAIN,
reg | (~val << TWL6040_HSR_VOL_SHIFT));
@ -407,7 +427,11 @@ static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec,
if (handsfree->ramp == TWL6040_RAMP_UP) {
/* ramp step up */
if (val < handsfree->left_vol) {
val += left_step;
if (val + left_step > handsfree->left_vol)
val = handsfree->left_vol;
else
val += left_step;
reg &= ~TWL6040_HF_VOL_MASK;
twl6040_write(codec, TWL6040_REG_HFLGAIN,
reg | (0x1D - val));
@ -417,7 +441,11 @@ static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec,
} else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
/* ramp step down */
if (val > 0) {
val -= left_step;
if ((int)val - (int)left_step < 0)
val = 0;
else
val -= left_step;
reg &= ~TWL6040_HF_VOL_MASK;
twl6040_write(codec, TWL6040_REG_HFLGAIN,
reg | (0x1D - val));
@ -434,7 +462,11 @@ static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec,
if (handsfree->ramp == TWL6040_RAMP_UP) {
/* ramp step up */
if (val < handsfree->right_vol) {
val += right_step;
if (val + right_step > handsfree->right_vol)
val = handsfree->right_vol;
else
val += right_step;
reg &= ~TWL6040_HF_VOL_MASK;
twl6040_write(codec, TWL6040_REG_HFRGAIN,
reg | (0x1D - val));
@ -444,7 +476,11 @@ static inline int twl6040_hf_ramp_step(struct snd_soc_codec *codec,
} else if (handsfree->ramp == TWL6040_RAMP_DOWN) {
/* ramp step down */
if (val > 0) {
val -= right_step;
if ((int)val - (int)right_step < 0)
val = 0;
else
val -= right_step;
reg &= ~TWL6040_HF_VOL_MASK;
twl6040_write(codec, TWL6040_REG_HFRGAIN,
reg | (0x1D - val));
@ -473,11 +509,9 @@ static void twl6040_pga_hs_work(struct work_struct *work)
/* HS PGA volumes have 4 bits of resolution to ramp */
for (i = 0; i <= 16; i++) {
headset_complete = 1;
if (headset->ramp != TWL6040_RAMP_NONE)
headset_complete = twl6040_hs_ramp_step(codec,
headset->left_step,
headset->right_step);
headset_complete = twl6040_hs_ramp_step(codec,
headset->left_step,
headset->right_step);
/* ramp finished ? */
if (headset_complete)
@ -518,11 +552,9 @@ static void twl6040_pga_hf_work(struct work_struct *work)
/* HF PGA volumes have 5 bits of resolution to ramp */
for (i = 0; i <= 32; i++) {
handsfree_complete = 1;
if (handsfree->ramp != TWL6040_RAMP_NONE)
handsfree_complete = twl6040_hf_ramp_step(codec,
handsfree->left_step,
handsfree->right_step);
handsfree_complete = twl6040_hf_ramp_step(codec,
handsfree->left_step,
handsfree->right_step);
/* ramp finished ? */
if (handsfree_complete)
@ -563,12 +595,16 @@ static int pga_event(struct snd_soc_dapm_widget *w,
out = &priv->headset;
work = &priv->hs_delayed_work;
queue = priv->hs_workqueue;
out->left_step = priv->hs_left_step;
out->right_step = priv->hs_right_step;
out->step_delay = 5; /* 5 ms between volume ramp steps */
break;
case 4:
out = &priv->handsfree;
work = &priv->hf_delayed_work;
queue = priv->hf_workqueue;
out->left_step = priv->hf_left_step;
out->right_step = priv->hf_right_step;
out->step_delay = 5; /* 5 ms between volume ramp steps */
if (SND_SOC_DAPM_EVENT_ON(event))
priv->non_lp++;
@ -601,8 +637,6 @@ static int pga_event(struct snd_soc_dapm_widget *w,
if (!delayed_work_pending(work)) {
/* use volume ramp for power-down */
out->left_step = 1;
out->right_step = 1;
out->ramp = TWL6040_RAMP_DOWN;
INIT_COMPLETION(out->ramp_done);
@ -1492,6 +1526,7 @@ static int twl6040_resume(struct snd_soc_codec *codec)
static int twl6040_probe(struct snd_soc_codec *codec)
{
struct twl6040_data *priv;
struct twl4030_codec_data *pdata = dev_get_platdata(codec->dev);
int ret = 0;
priv = kzalloc(sizeof(struct twl6040_data), GFP_KERNEL);
@ -1502,6 +1537,22 @@ static int twl6040_probe(struct snd_soc_codec *codec)
priv->codec = codec;
codec->control_data = dev_get_drvdata(codec->dev->parent);
if (pdata && pdata->hs_left_step && pdata->hs_right_step) {
priv->hs_left_step = pdata->hs_left_step;
priv->hs_right_step = pdata->hs_right_step;
} else {
priv->hs_left_step = 1;
priv->hs_right_step = 1;
}
if (pdata && pdata->hf_left_step && pdata->hf_right_step) {
priv->hf_left_step = pdata->hf_left_step;
priv->hf_right_step = pdata->hf_right_step;
} else {
priv->hf_left_step = 1;
priv->hf_right_step = 1;
}
priv->sysclk_constraints = &hp_constraints;
priv->workqueue = create_singlethread_workqueue("twl6040-codec");
if (!priv->workqueue) {