oxfw-pcm.c (216e256f7bf974ba402309d0ceb24f3500dc65c4) oxfw-pcm.c (8985f4ac1c42bd25799f294f4e87fa73064673c7)
1/*
2 * oxfw_pcm.c - a part of driver for OXFW970/971 based devices
3 *
4 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
5 * Licensed under the terms of the GNU General Public License, version 2.
6 */
7
8#include "oxfw.h"

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187 return err;
188}
189
190static int pcm_open(struct snd_pcm_substream *substream)
191{
192 struct snd_oxfw *oxfw = substream->private_data;
193 int err;
194
1/*
2 * oxfw_pcm.c - a part of driver for OXFW970/971 based devices
3 *
4 * Copyright (c) Clemens Ladisch <clemens@ladisch.de>
5 * Licensed under the terms of the GNU General Public License, version 2.
6 */
7
8#include "oxfw.h"

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187 return err;
188}
189
190static int pcm_open(struct snd_pcm_substream *substream)
191{
192 struct snd_oxfw *oxfw = substream->private_data;
193 int err;
194
195 err = init_hw_params(oxfw, substream);
195 err = snd_oxfw_stream_lock_try(oxfw);
196 if (err < 0)
197 goto end;
198
196 if (err < 0)
197 goto end;
198
199 err = init_hw_params(oxfw, substream);
200 if (err < 0)
201 goto err_locked;
202
199 /*
200 * When any PCM streams are already running, the available sampling
201 * rate is limited at current value.
202 */
203 if (amdtp_stream_pcm_running(&oxfw->tx_stream) ||
204 amdtp_stream_pcm_running(&oxfw->rx_stream)) {
205 err = limit_to_current_params(substream);
206 if (err < 0)
207 goto end;
208 }
209
210 snd_pcm_set_sync(substream);
211end:
212 return err;
203 /*
204 * When any PCM streams are already running, the available sampling
205 * rate is limited at current value.
206 */
207 if (amdtp_stream_pcm_running(&oxfw->tx_stream) ||
208 amdtp_stream_pcm_running(&oxfw->rx_stream)) {
209 err = limit_to_current_params(substream);
210 if (err < 0)
211 goto end;
212 }
213
214 snd_pcm_set_sync(substream);
215end:
216 return err;
217err_locked:
218 snd_oxfw_stream_lock_release(oxfw);
219 return err;
213}
214
215static int pcm_close(struct snd_pcm_substream *substream)
216{
220}
221
222static int pcm_close(struct snd_pcm_substream *substream)
223{
224 struct snd_oxfw *oxfw = substream->private_data;
225
226 snd_oxfw_stream_lock_release(oxfw);
217 return 0;
218}
219
220static int pcm_capture_hw_params(struct snd_pcm_substream *substream,
221 struct snd_pcm_hw_params *hw_params)
222{
223 struct snd_oxfw *oxfw = substream->private_data;
224

--- 190 unchanged lines hidden --- 		227 return 0;
228}
229
230static int pcm_capture_hw_params(struct snd_pcm_substream *substream,
231 struct snd_pcm_hw_params *hw_params)
232{
233 struct snd_oxfw *oxfw = substream->private_data;
234

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