snd_ac97_set_rate - change the rate of the given input/output.
2. SYNOPSIS ▲
int snd_ac97_set_rate(struct snd_ac97 * ac97 , int reg , unsigned int rate );
3. ARGUMENTS ▲
the ac97 instance
the register to change
the sample rate to set
4. DESCRIPTION ▲
Changes the rate of the given input/output on the codec. If the codec doesnAqt support VAR, the rate must be 48000 (except for SPDIF).
The valid registers are AC97_PMC_MIC_ADC_RATE, AC97_PCM_FRONT_DAC_RATE, AC97_PCM_LR_ADC_RATE. AC97_PCM_SURR_DAC_RATE and AC97_PCM_LFE_DAC_RATE are accepted if the codec supports them. AC97_SPDIF is accepted as a pseudo register to modify the SPDIF status bits.
5. RETURN ▲
Zero if successful, or a negative error code on failure.
6. COPYRIGHT ▲