diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.1/0169-tpa6130a2-Add-headphone-switch-control.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.1/0169-tpa6130a2-Add-headphone-switch-control.patch | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.1/0169-tpa6130a2-Add-headphone-switch-control.patch b/target/linux/brcm2708/patches-4.1/0169-tpa6130a2-Add-headphone-switch-control.patch new file mode 100644 index 0000000..d6840a9 --- /dev/null +++ b/target/linux/brcm2708/patches-4.1/0169-tpa6130a2-Add-headphone-switch-control.patch @@ -0,0 +1,91 @@ +From aa7324f2f5f19ea3b2865897041f5a2838a92ac7 Mon Sep 17 00:00:00 2001 +From: Jan Grulich <jan@grulich.eu> +Date: Mon, 24 Aug 2015 16:02:34 +0100 +Subject: [PATCH 169/171] tpa6130a2: Add headphone switch control + +Signed-off-by: Jan Grulich <jan@grulich.eu> +--- + sound/soc/codecs/tpa6130a2.c | 29 ++++++++++++++++++++++++++--- + 1 file changed, 26 insertions(+), 3 deletions(-) + +--- a/sound/soc/codecs/tpa6130a2.c ++++ b/sound/soc/codecs/tpa6130a2.c +@@ -4,6 +4,7 @@ + * Copyright (C) Nokia Corporation + * + * Author: Peter Ujfalusi <peter.ujfalusi@ti.com> ++ * Modified: Jan Grulich <jan@grulich.eu> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License +@@ -52,6 +53,8 @@ struct tpa6130a2_data { + enum tpa_model id; + }; + ++static void tpa6130a2_channel_enable(u8 channel, int enable); ++ + static int tpa6130a2_i2c_read(int reg) + { + struct tpa6130a2_data *data; +@@ -189,7 +192,7 @@ exit: + } + + static int tpa6130a2_get_volsw(struct snd_kcontrol *kcontrol, +- struct snd_ctl_elem_value *ucontrol) ++ struct snd_ctl_elem_value *ucontrol) + { + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; +@@ -218,7 +221,7 @@ static int tpa6130a2_get_volsw(struct sn + } + + static int tpa6130a2_put_volsw(struct snd_kcontrol *kcontrol, +- struct snd_ctl_elem_value *ucontrol) ++ struct snd_ctl_elem_value *ucontrol) + { + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; +@@ -255,8 +258,22 @@ static int tpa6130a2_put_volsw(struct sn + return 1; + } + ++static int tpa6130a2_put_hp_sw(struct snd_kcontrol *kcontrol, ++ struct snd_ctl_elem_value *ucontrol) ++{ ++ int enable = ucontrol->value.integer.value[0]; ++ unsigned int state; ++ ++ state = (tpa6130a2_read(TPA6130A2_REG_VOL_MUTE) & 0x80) == 0; ++ if (state == enable) ++ return 0; /* No change */ ++ ++ tpa6130a2_channel_enable(TPA6130A2_HP_EN_R | TPA6130A2_HP_EN_L, enable); ++ return 1; /* Changed */ ++} ++ + /* +- * TPA6130 volume. From -59.5 to 4 dB with increasing step size when going ++ * TPA6130 volume. From -59.5 to +4.0 dB with increasing step size when going + * down in gain. + */ + static const unsigned int tpa6130_tlv[] = { +@@ -278,6 +295,9 @@ static const struct snd_kcontrol_new tpa + TPA6130A2_REG_VOL_MUTE, 0, 0x3f, 0, + tpa6130a2_get_volsw, tpa6130a2_put_volsw, + tpa6130_tlv), ++ SOC_SINGLE_EXT("TPA6130A2 Headphone Playback Switch", ++ TPA6130A2_REG_VOL_MUTE, 7, 1, 1, ++ tpa6130a2_get_volsw, tpa6130a2_put_hp_sw), + }; + + static const unsigned int tpa6140_tlv[] = { +@@ -292,6 +312,9 @@ static const struct snd_kcontrol_new tpa + TPA6130A2_REG_VOL_MUTE, 1, 0x1f, 0, + tpa6130a2_get_volsw, tpa6130a2_put_volsw, + tpa6140_tlv), ++ SOC_SINGLE_EXT("TPA6140A2 Headphone Playback Switch", ++ TPA6130A2_REG_VOL_MUTE, 7, 1, 1, ++ tpa6130a2_get_volsw, tpa6130a2_put_hp_sw), + }; + + /* |