Via 686/8233/8235 Audio Driver for Linux
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via_chan_set_speed

Name

via_chan_set_speed --  Set PCM sample rate for given channel

Synopsis

int via_chan_set_speed (struct via_info * card, struct via_channel * chan, int val);

Arguments

card

Private info for specified board

chan

Channel whose sample rate will be adjusted

val

New sample rate, in Khz

Description

Helper function for the SNDCTL_DSP_SPEED ioctl. OSS semantics demand that all audio operations halt (if they are not already halted) when the SNDCTL_DSP_SPEED is given.

This function halts all audio operations for the given channel chan, and then calls via_set_rate to set the audio hardware to the new rate.

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