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SubjectRe: [PATCH 9/9] ALSA: intel_hdmi: remove redundant variable cfg_val
On Wed, 01 Aug 2018 12:47:42 +0200,
Colin King wrote:
>
> From: Colin Ian King <colin.king@canonical.com>
>
> Variable cfg_val is being assigned but is never used hence it is
> redundant and can be removed.
>
> Cleans up clang warning:
> warning: variable 'cfg_val' set but not used [-Wunused-but-set-variable]
>
> Signed-off-by: Colin Ian King <colin.king@canonical.com>
> ---
> sound/x86/intel_hdmi_audio.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/sound/x86/intel_hdmi_audio.c b/sound/x86/intel_hdmi_audio.c
> index edc9f5a34eff..fa7dca5a68c8 100644
> --- a/sound/x86/intel_hdmi_audio.c
> +++ b/sound/x86/intel_hdmi_audio.c
> @@ -290,7 +290,6 @@ static void had_reset_audio(struct snd_intelhad *intelhaddata)
> static int had_prog_status_reg(struct snd_pcm_substream *substream,
> struct snd_intelhad *intelhaddata)
> {
> - union aud_cfg cfg_val = {.regval = 0};
> union aud_ch_status_0 ch_stat0 = {.regval = 0};
> union aud_ch_status_1 ch_stat1 = {.regval = 0};
>
> @@ -298,7 +297,6 @@ static int had_prog_status_reg(struct snd_pcm_substream *substream,
> IEC958_AES0_NONAUDIO) >> 1;
> ch_stat0.regx.clk_acc = (intelhaddata->aes_bits &
> IEC958_AES3_CON_CLOCK) >> 4;
> - cfg_val.regx.val_bit = ch_stat0.regx.lpcm_id;

Actually this made me wonder what is the definition of val_bit.
It seems always 1 in the current code after the commit 964ca8083c02.
Pierre?


thanks,

Takashi

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