lkml.org 
[lkml]   [2022]   [Mar]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v3 06/16] ALSA: hda: cs35l41: Add Boost type flag
Date
Replace vspk_always_on by a enum that better characterizes the boost
type, as there is 3 types of boost hardware.
And with the new boost type other parts of the driver can better handle
the configuration of the chip.

Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
---
include/sound/cs35l41.h | 9 ++++++--
sound/pci/hda/cs35l41_hda.c | 43 +++++++++++++++++++++----------------
2 files changed, 31 insertions(+), 21 deletions(-)

diff --git a/include/sound/cs35l41.h b/include/sound/cs35l41.h
index e3ec0f422fff..fbf38f32e36d 100644
--- a/include/sound/cs35l41.h
+++ b/include/sound/cs35l41.h
@@ -725,6 +725,12 @@
#define CS35L41_SPI_MAX_FREQ 4000000
#define CS35L41_REGSTRIDE 4

+enum cs35l41_boost_type {
+ CS35L41_INT_BOOST,
+ CS35L41_EXT_BOOST,
+ CS35L41_EXT_BOOST_NO_VSPK_SWITCH,
+};
+
enum cs35l41_clk_ids {
CS35L41_CLKID_SCLK = 0,
CS35L41_CLKID_LRCLK = 1,
@@ -762,8 +768,7 @@ struct cs35l41_hw_cfg {
struct cs35l41_gpio_cfg gpio2;
unsigned int spk_pos;

- /* Don't put the AMP in reset if VSPK can not be turned off */
- bool vspk_always_on;
+ enum cs35l41_boost_type bst_type;
};

struct cs35l41_otp_packed_element_t {
diff --git a/sound/pci/hda/cs35l41_hda.c b/sound/pci/hda/cs35l41_hda.c
index 4c99dcac2dd7..17660ce71f93 100644
--- a/sound/pci/hda/cs35l41_hda.c
+++ b/sound/pci/hda/cs35l41_hda.c
@@ -210,20 +210,30 @@ static const struct component_ops cs35l41_hda_comp_ops = {
static int cs35l41_hda_apply_properties(struct cs35l41_hda *cs35l41)
{
struct cs35l41_hw_cfg *hw_cfg = &cs35l41->hw_cfg;
- bool internal_boost = false;
int ret;

if (!cs35l41->hw_cfg.valid)
return -EINVAL;

- if (hw_cfg->vspk_always_on) {
+ switch (hw_cfg->bst_type) {
+ case CS35L41_INT_BOOST:
+ cs35l41->reg_seq = &cs35l41_hda_reg_seq_int_bst;
+ ret = cs35l41_boost_config(cs35l41->dev, cs35l41->regmap,
+ hw_cfg->bst_ind, hw_cfg->bst_cap, hw_cfg->bst_ipk);
+ if (ret)
+ return ret;
+ break;
+ case CS35L41_EXT_BOOST:
+ cs35l41->reg_seq = &cs35l41_hda_reg_seq_ext_bst;
+ break;
+ case CS35L41_EXT_BOOST_NO_VSPK_SWITCH:
cs35l41->reg_seq = &cs35l41_hda_reg_seq_no_bst;
- return 0;
+ break;
+ default:
+ dev_err(cs35l41->dev, "Boost type %d not supported\n", hw_cfg->bst_type);
+ return -EINVAL;
}

- if (hw_cfg->bst_ind > 0 || hw_cfg->bst_cap > 0 || hw_cfg->bst_ipk > 0)
- internal_boost = true;
-
if (hw_cfg->gpio1.valid) {
switch (hw_cfg->gpio1.func) {
case CS35L41_NOT_USED:
@@ -256,16 +266,6 @@ static int cs35l41_hda_apply_properties(struct cs35l41_hda *cs35l41)

cs35l41_gpio_config(cs35l41->regmap, hw_cfg);

- if (internal_boost) {
- cs35l41->reg_seq = &cs35l41_hda_reg_seq_int_bst;
- ret = cs35l41_boost_config(cs35l41->dev, cs35l41->regmap,
- hw_cfg->bst_ind, hw_cfg->bst_cap, hw_cfg->bst_ipk);
- if (ret)
- return ret;
- } else {
- cs35l41->reg_seq = &cs35l41_hda_reg_seq_ext_bst;
- }
-
return cs35l41_hda_channel_map(cs35l41->dev, 0, NULL, 1, &hw_cfg->spk_pos);
}

@@ -363,6 +363,11 @@ static int cs35l41_hda_read_acpi(struct cs35l41_hda *cs35l41, const char *hid, i
else
hw_cfg->bst_cap = -1;

+ if (hw_cfg->bst_ind > 0 || hw_cfg->bst_cap > 0 || hw_cfg->bst_ipk > 0)
+ hw_cfg->bst_type = CS35L41_INT_BOOST;
+ else
+ hw_cfg->bst_type = CS35L41_EXT_BOOST;
+
hw_cfg->valid = true;
put_device(physdev);

@@ -388,7 +393,7 @@ static int cs35l41_hda_read_acpi(struct cs35l41_hda *cs35l41, const char *hid, i
/* check I2C address to assign the index */
cs35l41->index = id == 0x40 ? 0 : 1;
cs35l41->reset_gpio = gpiod_get_index(physdev, NULL, 0, GPIOD_OUT_HIGH);
- cs35l41->hw_cfg.vspk_always_on = true;
+ cs35l41->hw_cfg.bst_type = CS35L41_EXT_BOOST_NO_VSPK_SWITCH;
cs35l41->hw_cfg.valid = true;
put_device(physdev);

@@ -515,7 +520,7 @@ int cs35l41_hda_probe(struct device *dev, const char *device_name, int id, int i
return 0;

err:
- if (!cs35l41->hw_cfg.vspk_always_on)
+ if (cs35l41->hw_cfg.bst_type != CS35L41_EXT_BOOST_NO_VSPK_SWITCH)
gpiod_set_value_cansleep(cs35l41->reset_gpio, 0);
gpiod_put(cs35l41->reset_gpio);

@@ -529,7 +534,7 @@ void cs35l41_hda_remove(struct device *dev)

component_del(cs35l41->dev, &cs35l41_hda_comp_ops);

- if (!cs35l41->hw_cfg.vspk_always_on)
+ if (cs35l41->hw_cfg.bst_type != CS35L41_EXT_BOOST_NO_VSPK_SWITCH)
gpiod_set_value_cansleep(cs35l41->reset_gpio, 0);
gpiod_put(cs35l41->reset_gpio);
}
--
2.35.1
\
 
 \ /
  Last update: 2022-03-08 18:21    [W:0.172 / U:0.068 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site