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Commit 8130829a authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: ens137x: Constify hw_constraints 



snd_pcm_hw_constraint_list(), *_ratnums() and *_ratdens() receive the
const pointers.  Constify the corresponding static objects for better
hardening.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent d71a13f4

sound/pci/ens1370.c

+8 −8
Original line number Original line Diff line number Diff line
@@ -467,41 +467,41 @@ MODULE_DEVICE_TABLE(pci, snd_audiopci_ids); 
#define POLL_COUNT	0xa000

#define POLL_COUNT	0xa000





#ifdef CHIP1370

#ifdef CHIP1370

static unsigned int snd_es1370_fixed_rates[] =

static const unsigned int snd_es1370_fixed_rates[] =

	{5512, 11025, 22050, 44100};

	{5512, 11025, 22050, 44100};

static struct snd_pcm_hw_constraint_list snd_es1370_hw_constraints_rates = {

static const struct snd_pcm_hw_constraint_list snd_es1370_hw_constraints_rates = {

	.count = 4, 

	.count = 4, 

	.list = snd_es1370_fixed_rates,

	.list = snd_es1370_fixed_rates,

	.mask = 0,

	.mask = 0,

};

};

static struct snd_ratnum es1370_clock = {

static const struct snd_ratnum es1370_clock = {

	.num = ES_1370_SRCLOCK,

	.num = ES_1370_SRCLOCK,

	.den_min = 29, 

	.den_min = 29, 

	.den_max = 353,

	.den_max = 353,

	.den_step = 1,

	.den_step = 1,

};

};

static struct snd_pcm_hw_constraint_ratnums snd_es1370_hw_constraints_clock = {

static const struct snd_pcm_hw_constraint_ratnums snd_es1370_hw_constraints_clock = {

	.nrats = 1,

	.nrats = 1,

	.rats = &es1370_clock,

	.rats = &es1370_clock,

};

};

#else

#else

static struct snd_ratden es1371_dac_clock = {

static const struct snd_ratden es1371_dac_clock = {

	.num_min = 3000 * (1 << 15),

	.num_min = 3000 * (1 << 15),

	.num_max = 48000 * (1 << 15),

	.num_max = 48000 * (1 << 15),

	.num_step = 3000,

	.num_step = 3000,

	.den = 1 << 15,

	.den = 1 << 15,

};

};

static struct snd_pcm_hw_constraint_ratdens snd_es1371_hw_constraints_dac_clock = {

static const struct snd_pcm_hw_constraint_ratdens snd_es1371_hw_constraints_dac_clock = {

	.nrats = 1,

	.nrats = 1,

	.rats = &es1371_dac_clock,

	.rats = &es1371_dac_clock,

};

};

static struct snd_ratnum es1371_adc_clock = {

static const struct snd_ratnum es1371_adc_clock = {

	.num = 48000 << 15,

	.num = 48000 << 15,

	.den_min = 32768, 

	.den_min = 32768, 

	.den_max = 393216,

	.den_max = 393216,

	.den_step = 1,

	.den_step = 1,

};

};

static struct snd_pcm_hw_constraint_ratnums snd_es1371_hw_constraints_adc_clock = {

static const struct snd_pcm_hw_constraint_ratnums snd_es1371_hw_constraints_adc_clock = {

	.nrats = 1,

	.nrats = 1,

	.rats = &es1371_adc_clock,

	.rats = &es1371_adc_clock,

};

};