[PATCH 1/4] staging: greybus: audio: Avoid less than zero check for le32 variable
Vaibhav Agarwal
vaibhav.sr at gmail.com
Sat Jan 14 17:47:04 UTC 2017
mixer control->info call back function checks for -ve values to rebase
min and max values. However, le32 variable is used to fetch values from
GB module FW. Thus -ve value checking is not required. Fix this!!
Signed-off-by: Vaibhav Agarwal <vaibhav.sr at gmail.com>
---
drivers/staging/greybus/audio_topology.c | 12 ++++--------
1 file changed, 4 insertions(+), 8 deletions(-)
diff --git a/drivers/staging/greybus/audio_topology.c b/drivers/staging/greybus/audio_topology.c
index 3001a4971c06..a8b63a8b2bb0 100644
--- a/drivers/staging/greybus/audio_topology.c
+++ b/drivers/staging/greybus/audio_topology.c
@@ -361,8 +361,8 @@ static int gbcodec_mixer_dapm_ctl_info(struct snd_kcontrol *kcontrol,
info = (struct gb_audio_ctl_elem_info *)data->info;
/* update uinfo */
- platform_max = info->value.integer.max;
- platform_min = info->value.integer.min;
+ platform_max = le32_to_cpu(info->value.integer.max);
+ platform_min = le32_to_cpu(info->value.integer.min);
if (platform_max == 1 &&
!strnstr(kcontrol->id.name, " Volume", NAME_SIZE))
@@ -371,12 +371,8 @@ static int gbcodec_mixer_dapm_ctl_info(struct snd_kcontrol *kcontrol,
uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
uinfo->count = data->vcount;
- uinfo->value.integer.min = 0;
- if (info->value.integer.min < 0 &&
- (uinfo->type == SNDRV_CTL_ELEM_TYPE_INTEGER))
- uinfo->value.integer.max = platform_max - platform_min;
- else
- uinfo->value.integer.max = platform_max;
+ uinfo->value.integer.min = platform_min;
+ uinfo->value.integer.max = platform_max;
return 0;
}
--
2.7.4
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