diff options
Diffstat (limited to 'sound/pci/ac97/ac97_pcm.c')
| -rw-r--r-- | sound/pci/ac97/ac97_pcm.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/sound/pci/ac97/ac97_pcm.c b/sound/pci/ac97/ac97_pcm.c index f1488fc176d..d15297a6880 100644 --- a/sound/pci/ac97/ac97_pcm.c +++ b/sound/pci/ac97/ac97_pcm.c @@ -253,7 +253,7 @@ static int set_spdif_rate(struct snd_ac97 *ac97, unsigned short rate) * AC97_SPDIF is accepted as a pseudo register to modify the SPDIF * status bits. * - * Returns zero if successful, or a negative error code on failure. + * Return: Zero if successful, or a negative error code on failure. */ int snd_ac97_set_rate(struct snd_ac97 *ac97, int reg, unsigned int rate) { @@ -440,6 +440,8 @@ static unsigned int get_rates(struct ac97_pcm *pcm, unsigned int cidx, unsigned * It assigns available AC97 slots for given PCMs. If none or only * some slots are available, pcm->xxx.slots and pcm->xxx.rslots[] members * are reduced and might be zero. + * + * Return: Zero if successful, or a negative error code on failure. */ int snd_ac97_pcm_assign(struct snd_ac97_bus *bus, unsigned short pcms_count, @@ -562,6 +564,8 @@ EXPORT_SYMBOL(snd_ac97_pcm_assign); * @slots: a subset of allocated slots (snd_ac97_pcm_assign) for this pcm * * It locks the specified slots and sets the given rate to AC97 registers. + * + * Return: Zero if successful, or a negative error code on failure. */ int snd_ac97_pcm_open(struct ac97_pcm *pcm, unsigned int rate, enum ac97_pcm_cfg cfg, unsigned short slots) @@ -600,7 +604,9 @@ int snd_ac97_pcm_open(struct ac97_pcm *pcm, unsigned int rate, } if (!ok_flag) { spin_unlock_irq(&pcm->bus->bus_lock); - snd_printk(KERN_ERR "cannot find configuration for AC97 slot %i\n", i); + dev_err(bus->card->dev, + "cannot find configuration for AC97 slot %i\n", + i); err = -EAGAIN; goto error; } @@ -614,15 +620,20 @@ int snd_ac97_pcm_open(struct ac97_pcm *pcm, unsigned int rate, if (pcm->r[r].rslots[cidx] & (1 << i)) { reg = get_slot_reg(pcm, cidx, i, r); if (reg == 0xff) { - snd_printk(KERN_ERR "invalid AC97 slot %i?\n", i); + dev_err(bus->card->dev, + "invalid AC97 slot %i?\n", i); continue; } if (reg_ok[cidx] & (1 << (reg - AC97_PCM_FRONT_DAC_RATE))) continue; - //printk(KERN_DEBUG "setting ac97 reg 0x%x to rate %d\n", reg, rate); + dev_dbg(bus->card->dev, + "setting ac97 reg 0x%x to rate %d\n", + reg, rate); err = snd_ac97_set_rate(pcm->r[r].codec[cidx], reg, rate); if (err < 0) - snd_printk(KERN_ERR "error in snd_ac97_set_rate: cidx=%d, reg=0x%x, rate=%d, err=%d\n", cidx, reg, rate, err); + dev_err(bus->card->dev, + "error in snd_ac97_set_rate: cidx=%d, reg=0x%x, rate=%d, err=%d\n", + cidx, reg, rate, err); else reg_ok[cidx] |= (1 << (reg - AC97_PCM_FRONT_DAC_RATE)); } @@ -644,6 +655,8 @@ EXPORT_SYMBOL(snd_ac97_pcm_open); * @pcm: the ac97 pcm instance * * It frees the locked AC97 slots. + * + * Return: Zero. */ int snd_ac97_pcm_close(struct ac97_pcm *pcm) { @@ -718,6 +731,8 @@ static int double_rate_hw_constraint_channels(struct snd_pcm_hw_params *params, * * Installs the hardware constraint rules to prevent using double rates and * more than two channels at the same time. + * + * Return: Zero if successful, or a negative error code on failure. */ int snd_ac97_pcm_double_rate_rules(struct snd_pcm_runtime *runtime) { |