Re: [PATCH 7/8] ASoC: codecs: Add RK3308 internal audio codec driver

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Hello Dan,

On Thu, 8 Sep 2022 16:35:19 +0300
Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:

> Hi,
> 
> https://git-scm.com/docs/git-format-patch#_base_tree_information]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/luca-ceresoli-bootlin-com/Add-support-for-the-internal-RK3308-audio-codec/20220907-222555
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git for-next
> config: arc-randconfig-m031-20220908 (https://download.01.org/0day-ci/archive/20220908/202209082103.F4ICyyHT-lkp@xxxxxxxxx/config)
> compiler: arceb-elf-gcc (GCC) 12.1.0
> 
> If you fix the issue, kindly add following tag where applicable
> Reported-by: kernel test robot <lkp@xxxxxxxxx>
> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> 
> smatch warnings:
> sound/soc/codecs/rk3308_codec.c:748 rk3308_set_dai_fmt() error: uninitialized symbol 'is_master'.
> sound/soc/codecs/rk3308_codec.c:998 rk3308_codec_digital_fadeout() warn: always true condition '(l_dgain >= (0 << 0)) => (0-u32max >= 0)'
> sound/soc/codecs/rk3308_codec.c:998 rk3308_codec_digital_fadeout() warn: always true condition '(l_dgain >= (0 << 0)) => (0-u32max >= 0)'
> 
> vim +/is_master +748 sound/soc/codecs/rk3308_codec.c
> 
> 786c160ad64ae5 Luca Ceresoli 2022-09-07  680  static int rk3308_set_dai_fmt(struct snd_soc_dai *codec_dai,
> 786c160ad64ae5 Luca Ceresoli 2022-09-07  681  			      unsigned int fmt)
> 786c160ad64ae5 Luca Ceresoli 2022-09-07  682  {
> 786c160ad64ae5 Luca Ceresoli 2022-09-07  683  	struct snd_soc_component *component = codec_dai->component;
> 786c160ad64ae5 Luca Ceresoli 2022-09-07  684  	struct rk3308_codec_priv *rk3308 = snd_soc_component_get_drvdata(component);
> 786c160ad64ae5 Luca Ceresoli 2022-09-07  685  	const unsigned int inv_bits = fmt & SND_SOC_DAIFMT_INV_MASK;
> 786c160ad64ae5 Luca Ceresoli 2022-09-07  686  	const bool inv_bitclk =
> 786c160ad64ae5 Luca Ceresoli 2022-09-07  687  		(inv_bits & SND_SOC_DAIFMT_IB_IF) ||
> 786c160ad64ae5 Luca Ceresoli 2022-09-07  688  		(inv_bits & SND_SOC_DAIFMT_IB_NF);
> 786c160ad64ae5 Luca Ceresoli 2022-09-07  689  	const bool inv_frmclk =
> 786c160ad64ae5 Luca Ceresoli 2022-09-07  690  		(inv_bits & SND_SOC_DAIFMT_IB_IF) ||
> 786c160ad64ae5 Luca Ceresoli 2022-09-07  691  		(inv_bits & SND_SOC_DAIFMT_NB_IF);
> 786c160ad64ae5 Luca Ceresoli 2022-09-07  692  
> 786c160ad64ae5 Luca Ceresoli 2022-09-07  693  	unsigned int adc_aif1 = 0, adc_aif2 = 0, dac_aif1 = 0, dac_aif2 = 0;
> 786c160ad64ae5 Luca Ceresoli 2022-09-07  694  	int grp, is_master;
> 
> is_master needs to be initialized to false.

Fixed both, and also made is_master a bool for clarity. Changes queued
for v2.

Thank you.
-- 
Luca Ceresoli, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com



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