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ASoC: rt5651: Rework quirk logic 

Rework a bit the quirk logic in the codec driver to simplify the
DMI-based quirk assignment for non-DT platforms.

Signed-off-by: Carlo Caione <carlo@endlessm.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Carlo Caione 2017-10-20 12:18:58 +01:00 committed by Mark Brown
parent 80bbe4a30b
commit b4435130bc
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GPG Key ID: 24D68B725D5487D0
1 changed files with 35 additions and 4 deletions
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39
sound/soc/codecs/rt5651.c
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@ -19,6 +19,7 @@
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/acpi.h>
#include <linux/dmi.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@ -31,6 +32,10 @@
#include "rl6231.h"
#include "rt5651.h"
#define RT5651_JD_MAP(quirk) ((quirk) & GENMASK(7, 0))
#define RT5651_IN2_DIFF BIT(16)
#define RT5651_DMIC_EN BIT(17)
#define RT5651_DEVICE_ID_VALUE 0x6281
#define RT5651_PR_RANGE_BASE (0xff + 1)
@ -38,6 +43,8 @@
#define RT5651_PR_BASE (RT5651_PR_RANGE_BASE + (0 * RT5651_PR_SPACING))
static unsigned long rt5651_quirk;
static const struct regmap_range_cfg rt5651_ranges[] = {
{ .name = "PR", .range_min = RT5651_PR_BASE,
.range_max = RT5651_PR_BASE + 0xb4,
@ -1739,16 +1746,36 @@ static const struct i2c_device_id rt5651_i2c_id[] = {
};
MODULE_DEVICE_TABLE(i2c, rt5651_i2c_id);
static int rt5651_quirk_cb(const struct dmi_system_id *id)
{
rt5651_quirk = (unsigned long) id->driver_data;
return 1;
}
static const struct dmi_system_id rt5651_quirk_table[] = {
{}
};
static int rt5651_parse_dt(struct rt5651_priv *rt5651, struct device_node *np)
{
rt5651->pdata.in2_diff = of_property_read_bool(np,
"realtek,in2-differential");
rt5651->pdata.dmic_en = of_property_read_bool(np,
"realtek,dmic-en");
if (of_property_read_bool(np, "realtek,in2-differential"))
rt5651_quirk |= RT5651_IN2_DIFF;
if (of_property_read_bool(np, "realtek,dmic-en"))
rt5651_quirk |= RT5651_DMIC_EN;
return 0;
}
static void rt5651_set_pdata(struct rt5651_priv *rt5651)
{
if (rt5651_quirk & RT5651_IN2_DIFF)
rt5651->pdata.in2_diff = true;
if (rt5651_quirk & RT5651_DMIC_EN)
rt5651->pdata.dmic_en = true;
if (RT5651_JD_MAP(rt5651_quirk))
rt5651->pdata.jd_src = RT5651_JD_MAP(rt5651_quirk);
}
static irqreturn_t rt5651_irq(int irq, void *data)
{
struct rt5651_priv *rt5651 = data;
@ -1854,6 +1881,10 @@ static int rt5651_i2c_probe(struct i2c_client *i2c,
rt5651->pdata = *pdata;
else if (i2c->dev.of_node)
rt5651_parse_dt(rt5651, i2c->dev.of_node);
else
dmi_check_system(rt5651_quirk_table);
rt5651_set_pdata(rt5651);
rt5651->regmap = devm_regmap_init_i2c(i2c, &rt5651_regmap);
if (IS_ERR(rt5651->regmap)) {