diff options
Diffstat (limited to 'target/linux/brcm2708/patches-3.10/0186-Fix-volsw_range-functions-so-SOC_DOUBLE_R_RANGE_TLV-.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-3.10/0186-Fix-volsw_range-functions-so-SOC_DOUBLE_R_RANGE_TLV-.patch | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-3.10/0186-Fix-volsw_range-functions-so-SOC_DOUBLE_R_RANGE_TLV-.patch b/target/linux/brcm2708/patches-3.10/0186-Fix-volsw_range-functions-so-SOC_DOUBLE_R_RANGE_TLV-.patch new file mode 100644 index 0000000000..2b49c73658 --- /dev/null +++ b/target/linux/brcm2708/patches-3.10/0186-Fix-volsw_range-functions-so-SOC_DOUBLE_R_RANGE_TLV-.patch @@ -0,0 +1,78 @@ +From 4c91cfe1cfa38f4e17e96cd7d78ac2a4fa86d5c9 Mon Sep 17 00:00:00 2001 +From: Howard Mitchell <hm@hmbedded.co.uk> +Date: Fri, 28 Mar 2014 16:27:57 +0000 +Subject: [PATCH 186/196] Fix volsw_range functions so SOC_DOUBLE_R_RANGE_TLV + works. + +This is so that the correct rabge of values as specified +with the SOC_DOUBLE_R_RANGE_TLV macro are sent to the +hardware for both the normal and invert cases. +--- + sound/soc/soc-core.c | 22 ++++++++++------------ + 1 file changed, 10 insertions(+), 12 deletions(-) + +diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c +index d18272c..be302e1 100644 +--- a/sound/soc/soc-core.c ++++ b/sound/soc/soc-core.c +@@ -2925,8 +2925,8 @@ int snd_soc_info_volsw_range(struct snd_kcontrol *kcontrol, + + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = snd_soc_volsw_is_stereo(mc) ? 2 : 1; +- uinfo->value.integer.min = 0; +- uinfo->value.integer.max = platform_max - min; ++ uinfo->value.integer.min = min; ++ uinfo->value.integer.max = platform_max; + + return 0; + } +@@ -2957,9 +2957,10 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, + unsigned int val, val_mask; + int ret; + +- val = ((ucontrol->value.integer.value[0] + min) & mask); + if (invert) +- val = max - val; ++ val = ((max - ucontrol->value.integer.value[0] + min) & mask); ++ else ++ val = (ucontrol->value.integer.value[0] & mask); + val_mask = mask << shift; + val = val << shift; + +@@ -2968,9 +2969,10 @@ int snd_soc_put_volsw_range(struct snd_kcontrol *kcontrol, + return ret; + + if (snd_soc_volsw_is_stereo(mc)) { +- val = ((ucontrol->value.integer.value[1] + min) & mask); + if (invert) +- val = max - val; ++ val = ((max - ucontrol->value.integer.value[1] + min) & mask); ++ else ++ val = (ucontrol->value.integer.value[1] & mask); + val_mask = mask << shift; + val = val << shift; + +@@ -3008,18 +3010,14 @@ int snd_soc_get_volsw_range(struct snd_kcontrol *kcontrol, + (snd_soc_read(codec, reg) >> shift) & mask; + if (invert) + ucontrol->value.integer.value[0] = +- max - ucontrol->value.integer.value[0]; +- ucontrol->value.integer.value[0] = +- ucontrol->value.integer.value[0] - min; ++ max - ucontrol->value.integer.value[0] + min; + + if (snd_soc_volsw_is_stereo(mc)) { + ucontrol->value.integer.value[1] = + (snd_soc_read(codec, rreg) >> shift) & mask; + if (invert) + ucontrol->value.integer.value[1] = +- max - ucontrol->value.integer.value[1]; +- ucontrol->value.integer.value[1] = +- ucontrol->value.integer.value[1] - min; ++ max - ucontrol->value.integer.value[1] + min; + } + + return 0; +-- +1.9.1 + |