From 54e3a3a152a6f466f3a94b28be10f08b86905bc0 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Sun, 25 Feb 2018 11:46:42 +0100 Subject: ASoC: rt5651: Remove unused rt5651_platform_data There are no in tree users of platform-data for the rt5651 codec driver, so lets remove support for it. Signed-off-by: Hans de Goede Signed-off-by: Mark Brown --- include/sound/rt5651.h | 8 -------- 1 file changed, 8 deletions(-) (limited to 'include/sound') diff --git a/include/sound/rt5651.h b/include/sound/rt5651.h index 18b79a761f10..1612462bf5ad 100644 --- a/include/sound/rt5651.h +++ b/include/sound/rt5651.h @@ -18,12 +18,4 @@ enum rt5651_jd_src { RT5651_JD2, }; -struct rt5651_platform_data { - /* IN2 can optionally be differential */ - bool in2_diff; - - bool dmic_en; - enum rt5651_jd_src jd_src; -}; - #endif -- cgit v1.2.3-55-g7522 From f0c2a330d99ef81519dc809d8b6a7dafe39b0933 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Sun, 4 Mar 2018 15:35:51 +0100 Subject: ASoC: rt5651: Configure jack-detect source through a device-property Configure the jack-detect source through a device-property which can be set by code outside of the codec driver. Rather then putting platform specific DMI quirks inside the generic codec driver. Signed-off-by: Hans de Goede Signed-off-by: Mark Brown --- include/sound/rt5651.h | 4 ++++ sound/soc/codecs/rt5651.c | 33 +++++++-------------------------- 2 files changed, 11 insertions(+), 26 deletions(-) (limited to 'include/sound') diff --git a/include/sound/rt5651.h b/include/sound/rt5651.h index 1612462bf5ad..725b36c329d0 100644 --- a/include/sound/rt5651.h +++ b/include/sound/rt5651.h @@ -11,6 +11,10 @@ #ifndef __LINUX_SND_RT5651_H #define __LINUX_SND_RT5651_H +/* + * Note these MUST match the values from the DT binding: + * Documentation/devicetree/bindings/sound/rt5651.txt + */ enum rt5651_jd_src { RT5651_JD_NULL, RT5651_JD1_1, diff --git a/sound/soc/codecs/rt5651.c b/sound/soc/codecs/rt5651.c index 767a05e009df..50e1c501b6b9 100644 --- a/sound/soc/codecs/rt5651.c +++ b/sound/soc/codecs/rt5651.c @@ -19,7 +19,6 @@ #include #include #include -#include #include #include #include @@ -32,8 +31,6 @@ #include "rl6231.h" #include "rt5651.h" -#define RT5651_JD_MAP(quirk) ((quirk) & GENMASK(7, 0)) - #define RT5651_DEVICE_ID_VALUE 0x6281 #define RT5651_PR_RANGE_BASE (0xff + 1) @@ -41,8 +38,6 @@ #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, @@ -1675,6 +1670,9 @@ static int rt5651_set_jack(struct snd_soc_component *component, */ static void rt5651_apply_properties(struct snd_soc_component *component) { + struct rt5651_priv *rt5651 = snd_soc_component_get_drvdata(component); + u32 val; + if (device_property_read_bool(component->dev, "realtek,in2-differential")) snd_soc_component_update_bits(component, RT5651_IN1_IN2, RT5651_IN_DF2, RT5651_IN_DF2); @@ -1682,6 +1680,10 @@ static void rt5651_apply_properties(struct snd_soc_component *component) if (device_property_read_bool(component->dev, "realtek,dmic-en")) snd_soc_component_update_bits(component, RT5651_GPIO_CTRL1, RT5651_GP2_PIN_MASK, RT5651_GP2_PIN_DMIC1_SCL); + + if (device_property_read_u32(component->dev, + "realtek,jack-detect-source", &val) == 0) + rt5651->jd_src = val; } static int rt5651_probe(struct snd_soc_component *component) @@ -1831,24 +1833,6 @@ 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[] = { - { - .callback = rt5651_quirk_cb, - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "KIANO"), - DMI_MATCH(DMI_PRODUCT_NAME, "KIANO SlimNote 14.2"), - }, - .driver_data = (unsigned long *) RT5651_JD1_1, - }, - {} -}; - static int rt5651_jack_detect(struct snd_soc_component *component, int jack_insert) { int jack_type; @@ -1916,9 +1900,6 @@ static int rt5651_i2c_probe(struct i2c_client *i2c, i2c_set_clientdata(i2c, rt5651); - dmi_check_system(rt5651_quirk_table); - rt5651->jd_src = RT5651_JD_MAP(rt5651_quirk); - rt5651->regmap = devm_regmap_init_i2c(i2c, &rt5651_regmap); if (IS_ERR(rt5651->regmap)) { ret = PTR_ERR(rt5651->regmap); -- cgit v1.2.3-55-g7522 From e6eb0207597afa1cdd4914a17a727b101cc859ff Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Sun, 4 Mar 2018 15:35:53 +0100 Subject: ASoC: rt5651: Allow specifying the OVCD scale-factor through a device-property OVer-Current-Detection (OVCD) for the micbias current is used to detect if an inserted jack is a headset or headphones (mic shorted to ground). The threshold for at which current the OVCD triggers on the rt5651 is not only controlled by setting the absolute current limit, but also by setting a scale factor which applies to the limit. Testing has shown that we need to set both (depending on the board). This commit adds support for the sofar unused OVCD scale-factor register and adds support for specifying non-default values for it through the "realtek,over-current-scale-factor" device-property. Signed-off-by: Hans de Goede Signed-off-by: Mark Brown --- include/sound/rt5651.h | 11 +++++++++++ sound/soc/codecs/rt5651.c | 19 +++++++++++++++++++ sound/soc/codecs/rt5651.h | 11 +++++++++++ 3 files changed, 41 insertions(+) (limited to 'include/sound') diff --git a/include/sound/rt5651.h b/include/sound/rt5651.h index 725b36c329d0..6403b862fb9a 100644 --- a/include/sound/rt5651.h +++ b/include/sound/rt5651.h @@ -22,4 +22,15 @@ enum rt5651_jd_src { RT5651_JD2, }; +/* + * Note these MUST match the values from the DT binding: + * Documentation/devicetree/bindings/sound/rt5651.txt + */ +enum rt5651_ovcd_sf { + RT5651_OVCD_SF_0P5, + RT5651_OVCD_SF_0P75, + RT5651_OVCD_SF_1P0, + RT5651_OVCD_SF_1P5, +}; + #endif diff --git a/sound/soc/codecs/rt5651.c b/sound/soc/codecs/rt5651.c index 7ff1bc892cfd..486817809b7b 100644 --- a/sound/soc/codecs/rt5651.c +++ b/sound/soc/codecs/rt5651.c @@ -1632,6 +1632,10 @@ static int rt5651_set_jack(struct snd_soc_component *component, snd_soc_component_update_bits(component, RT5651_PWR_ANLG2, RT5651_PWR_JD_M, RT5651_PWR_JD_M); + /* Set OVCD threshold current and scale-factor */ + snd_soc_component_write(component, RT5651_PR_BASE + RT5651_BIAS_CUR4, + 0xa800 | rt5651->ovcd_sf); + snd_soc_component_update_bits(component, RT5651_MICBIAS, RT5651_MIC1_OVCD_MASK | RT5651_MIC1_OVTH_MASK | @@ -1685,7 +1689,13 @@ static void rt5651_apply_properties(struct snd_soc_component *component) "realtek,jack-detect-source", &val) == 0) rt5651->jd_src = val; + /* + * Testing on various boards has shown that good defaults for the OVCD + * threshold and scale-factor are 2000µA and 0.75. For an effective + * limit of 1500µA, this seems to be more reliable then 1500µA and 1.0. + */ rt5651->ovcd_th = RT5651_MIC1_OVTH_2000UA; + rt5651->ovcd_sf = RT5651_MIC_OVCD_SF_0P75; if (device_property_read_u32(component->dev, "realtek,over-current-threshold-microamp", &val) == 0) { @@ -1704,6 +1714,15 @@ static void rt5651_apply_properties(struct snd_soc_component *component) val); } } + + if (device_property_read_u32(component->dev, + "realtek,over-current-scale-factor", &val) == 0) { + if (val <= RT5651_OVCD_SF_1P5) + rt5651->ovcd_sf = val << RT5651_MIC_OVCD_SF_SFT; + else + dev_warn(component->dev, "Warning: Invalid over-current-scale-factor value: %d, defaulting to 0.75\n", + val); + } } static int rt5651_probe(struct snd_soc_component *component) diff --git a/sound/soc/codecs/rt5651.h b/sound/soc/codecs/rt5651.h index 9cd5c279d0d6..71738ab93fb9 100644 --- a/sound/soc/codecs/rt5651.h +++ b/sound/soc/codecs/rt5651.h @@ -138,6 +138,7 @@ /* Index of Codec Private Register definition */ #define RT5651_BIAS_CUR1 0x12 #define RT5651_BIAS_CUR3 0x14 +#define RT5651_BIAS_CUR4 0x15 #define RT5651_CLSD_INT_REG1 0x1c #define RT5651_CHPUMP_INT_REG1 0x24 #define RT5651_MAMP_INT_REG2 0x37 @@ -1966,6 +1967,15 @@ #define RT5651_D_GATE_EN_SFT 0 /* Codec Private Register definition */ + +/* MIC Over current threshold scale factor (0x15) */ +#define RT5651_MIC_OVCD_SF_MASK (0x3 << 8) +#define RT5651_MIC_OVCD_SF_SFT 8 +#define RT5651_MIC_OVCD_SF_0P5 (0x0 << 8) +#define RT5651_MIC_OVCD_SF_0P75 (0x1 << 8) +#define RT5651_MIC_OVCD_SF_1P0 (0x2 << 8) +#define RT5651_MIC_OVCD_SF_1P5 (0x3 << 8) + /* 3D Speaker Control (0x63) */ #define RT5651_3D_SPK_MASK (0x1 << 15) #define RT5651_3D_SPK_SFT 15 @@ -2065,6 +2075,7 @@ struct rt5651_priv { struct delayed_work jack_detect_work; enum rt5651_jd_src jd_src; unsigned int ovcd_th; + unsigned int ovcd_sf; int irq; int sysclk; -- cgit v1.2.3-55-g7522