RE: [PATCH][next] ASoC: rt5668: fix incorrect 'and' operator

From: Bard Liao
Date: Fri Apr 20 2018 - 02:10:18 EST


> -----Original Message-----
> From: Colin King [mailto:colin.king@xxxxxxxxxxxxx]
> Sent: Thursday, April 19, 2018 10:35 PM
> To: Bard Liao; Oder Chiou; Liam Girdwood; Mark Brown; Jaroslav Kysela;
> Takashi Iwai; alsa-devel@xxxxxxxxxxxxxxxx
> Cc: kernel-janitors@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
> Subject: [PATCH][next] ASoC: rt5668: fix incorrect 'and' operator
>
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
>
> Currently logical and is being used instead of bitwise and. Fix this.
>
> Detected by CoverityScan, CID#1468008 ("Logical vs bitwise operator")
>
> Fixes: d59fb2856223 ("ASoC: rt5668: add rt5668B codec driver")
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Acked-By: Bard Liao <bardliao@xxxxxxxxxxx>

> ---
> sound/soc/codecs/rt5668.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/sound/soc/codecs/rt5668.c b/sound/soc/codecs/rt5668.c
> index 52a343f96eb2..3c19d03f2446 100644
> --- a/sound/soc/codecs/rt5668.c
> +++ b/sound/soc/codecs/rt5668.c
> @@ -1194,7 +1194,7 @@ static int set_filter_clk(struct snd_soc_dapm_widget
> *w,
> int ref, val, reg, idx = -EINVAL;
> static const int div[] = {1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48};
>
> - val = snd_soc_component_read32(component, RT5668_GPIO_CTRL_1)
> &&
> + val = snd_soc_component_read32(component, RT5668_GPIO_CTRL_1) &
> RT5668_GP4_PIN_MASK;
> if (w->shift == RT5668_PWR_ADC_S1F_BIT &&
> val == RT5668_GP4_PIN_ADCDAT2)
> --
> 2.17.0
>
>
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