Re: [PATCH v4] amixer: skip showing asoc tlv byte controls

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On Thu, 28 Jan 2016 09:32:18 +0100,
Vinod Koul wrote:
> 
> ASoC TLV Byte controls are very large size controls so we should add new
> options for these. So skip dumping contents for these.
> 
> $amixer -c0 cget numid=16
> numid=16,iface=MIXER,name='mdl params'
>   ; type=BYTES,access=-----RW-,values=30336
>   ; ASoC TLV Byte control, skipping bytes dump
> 
> Signed-off-by: Vinod Koul <vinod.koul@xxxxxxxxx>

Applied, thanks.


Takashi

> ---
>  amixer/amixer.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/amixer/amixer.c b/amixer/amixer.c
> index db1849333da3..f9b09cb54276 100644
> --- a/amixer/amixer.c
> +++ b/amixer/amixer.c
> @@ -682,6 +682,14 @@ static int show_control(const char *space, snd_hctl_elem_t *elem,
>  	      __skip_read:
>  		if (!snd_ctl_elem_info_is_tlv_readable(info))
>  			goto __skip_tlv;
> +		/* skip ASoC ext bytes controls that may have huge binary TLV data */
> +		if (type == SND_CTL_ELEM_TYPE_BYTES &&
> +				!snd_ctl_elem_info_is_readable(info) &&
> +				!snd_ctl_elem_info_is_writable(info)) {
> +			printf("%s; ASoC TLV Byte control, skipping bytes dump\n", space);
> +			goto __skip_tlv;
> +		}
> +
>  		tlv = malloc(4096);
>  		if ((err = snd_hctl_elem_tlv_read(elem, tlv, 4096)) < 0) {
>  			error("Control %s element TLV read error: %s\n", card, snd_strerror(err));
> -- 
> 1.9.1
> 
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