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Unverified Commit b4435130 authored by Carlo Caione's avatar Carlo Caione Committed by Mark Brown
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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: default avatarCarlo Caione <carlo@endlessm.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 80bbe4a3

sound/soc/codecs/rt5651.c

+35 −4
Original line number Diff line number Diff line
@@ -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)) {