diff options
| author | Carlo Caione <carlo@endlessm.com> | 2017-10-20 12:18:58 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-10-26 16:15:11 +0200 |
| commit | b4435130bc19cd54631588355b16326aeb760e34 (patch) | |
| tree | bdc1960cffbd9fbc48dfcd501f08137cdd415f2f /sound/soc/codecs/rt5651.c | |
| parent | 80bbe4a30bc6b119df86c280c91cde2034309bf1 (diff) | |
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>
Diffstat (limited to 'sound/soc/codecs/rt5651.c')
| -rw-r--r-- | sound/soc/codecs/rt5651.c | 39 |
1 files changed, 35 insertions, 4 deletions
diff --git a/sound/soc/codecs/rt5651.c b/sound/soc/codecs/rt5651.c index 91f254391452..f01d41101631 100644 --- a/sound/soc/codecs/rt5651.c +++ b/sound/soc/codecs/rt5651.c @@ -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)) { |