core/oss/pcm_oss.c

118  * @params: the hw_params instance
125 snd_pcm_hw_param_value_min(const struct snd_pcm_hw_params *params,
131 		return snd_mask_min(hw_param_mask_c(params, var));
134 		const struct snd_interval *i = hw_param_interval_c(params, var);
144  * @params: the hw_params instance
151 snd_pcm_hw_param_value_max(const struct snd_pcm_hw_params *params,
157 		return snd_mask_max(hw_param_mask_c(params, var));
160 		const struct snd_interval *i = hw_param_interval_c(params, var);
168 static int _snd_pcm_hw_param_mask(struct snd_pcm_hw_params *params,
173 	changed = snd_mask_refine(hw_param_mask(params, var), val);
175 		params->cmask |= 1 << var;
176 		params->rmask |= 1 << var;
182 				 struct snd_pcm_hw_params *params,
186 	int changed = _snd_pcm_hw_param_mask(params, var, val);
189 	if (params->rmask) {
190 		int err = snd_pcm_hw_refine(pcm, params);
197 static int _snd_pcm_hw_param_min(struct snd_pcm_hw_params *params,
214 		changed = snd_mask_refine_min(hw_param_mask(params, var),
217 		changed = snd_interval_refine_min(hw_param_interval(params, var),
222 		params->cmask |= 1 << var;
223 		params->rmask |= 1 << var;
231  * @params: the hw_params instance
241 				struct snd_pcm_hw_params *params,
245 	int changed = _snd_pcm_hw_param_min(params, var, val, dir ? *dir : 0);
248 	if (params->rmask) {
249 		int err = snd_pcm_hw_refine(pcm, params);
253 	return snd_pcm_hw_param_value_min(params, var, dir);
256 static int _snd_pcm_hw_param_max(struct snd_pcm_hw_params *params,
272 			snd_mask_none(hw_param_mask(params, var));
275 			changed = snd_mask_refine_max(hw_param_mask(params, var),
278 		changed = snd_interval_refine_max(hw_param_interval(params, var),
283 		params->cmask |= 1 << var;
284 		params->rmask |= 1 << var;
292  * @params: the hw_params instance
302 				struct snd_pcm_hw_params *params,
306 	int changed = _snd_pcm_hw_param_max(params, var, val, dir ? *dir : 0);
309 	if (params->rmask) {
310 		int err = snd_pcm_hw_refine(pcm, params);
314 	return snd_pcm_hw_param_value_max(params, var, dir);
364  * @params: the hw_params instance
376 				 struct snd_pcm_hw_params *params,
403 	*save = *params;
405 	min = snd_pcm_hw_param_min(pcm, params, var, min, &mindir);
420 			*params = *params1;
424 		*params = *save;
425 		max = snd_pcm_hw_param_max(pcm, params, var, max, &maxdir);
432 		v = snd_pcm_hw_param_last(pcm, params, var, dir);
434 		v = snd_pcm_hw_param_first(pcm, params, var, dir);
438 static int _snd_pcm_hw_param_set(struct snd_pcm_hw_params *params,
444 		struct snd_mask *m = hw_param_mask(params, var);
453 			changed = snd_mask_refine_set(hw_param_mask(params, var), val);
456 		struct snd_interval *i = hw_param_interval(params, var);
480 		params->cmask |= 1 << var;
481 		params->rmask |= 1 << var;
489  * @params: the hw_params instance
499 				struct snd_pcm_hw_params *params,
503 	int changed = _snd_pcm_hw_param_set(params, var, val, dir);
506 	if (params->rmask) {
507 		int err = snd_pcm_hw_refine(pcm, params);
511 	return snd_pcm_hw_param_value(params, var, NULL);
514 static int _snd_pcm_hw_param_setinteger(struct snd_pcm_hw_params *params,
518 	changed = snd_interval_setinteger(hw_param_interval(params, var));
520 		params->cmask |= 1 << var;
521 		params->rmask |= 1 << var;
781 		       struct snd_pcm_hw_params *params, unsigned int best_rate)
790 	*save = *params;
800 			ret = snd_pcm_hw_param_set(substream, params,
805 			*params = *save;
814 	return snd_pcm_hw_param_near(substream, params, SNDRV_PCM_HW_PARAM_RATE, best_rate, NULL);
849 	struct snd_pcm_hw_params *params, *sparams;
860 	if (!runtime->oss.params)
863 	params = kmalloc(sizeof(*params), GFP_KERNEL);
865 	if (!sw_params || !params || !sparams) {
927 		memcpy(params, sparams, sizeof(*params));
929 		_snd_pcm_hw_params_any(params);
930 		_snd_pcm_hw_param_set(params, SNDRV_PCM_HW_PARAM_ACCESS,
932 		_snd_pcm_hw_param_set(params, SNDRV_PCM_HW_PARAM_FORMAT,
934 		_snd_pcm_hw_param_set(params, SNDRV_PCM_HW_PARAM_CHANNELS,
936 		_snd_pcm_hw_param_set(params, SNDRV_PCM_HW_PARAM_RATE,
939 			 params_access(params), params_format(params),
940 			 params_channels(params), params_rate(params));
946 	oss_frame_size = snd_pcm_format_physical_width(params_format(params)) *
947 			 params_channels(params) / 8;
949 	err = snd_pcm_oss_period_size(substream, params, sparams);
975 		err = snd_pcm_plug_format_plugins(substream, params, sparams);
1063 	runtime->oss.format = snd_pcm_oss_format_to(params_format(params));
1064 	runtime->oss.channels = params_channels(params);
1065 	runtime->oss.rate = params_rate(params);
1074 	runtime->oss.params = 0;
1087 	kfree(params);
1121 		if (substream->runtime->oss.params) {
1163 	if (runtime->oss.params) {
1186 	if (runtime->oss.params) {
1765 			runtime->oss.params = 1;
1803 			runtime->oss.params = 1;
1838 	struct snd_pcm_hw_params *params __free(kfree) = NULL;
1858 	params = kmalloc(sizeof(*params), GFP_KERNEL);
1859 	if (!params)
1861 	_snd_pcm_hw_params_any(params);
1862 	err = snd_pcm_hw_refine(substream, params);
1865 	format_mask = hw_param_mask_c(params, SNDRV_PCM_HW_PARAM_FORMAT);
1898 				runtime->oss.params = 1;
1935 	runtime->oss.params = 1;
1978 	runtime->oss.params = 1;
2170 	if (runtime->oss.params || runtime->oss.prepare)
2198 	if (runtime->oss.params || runtime->oss.prepare) {
2266 	if (runtime->oss.params) {
2368 	runtime->oss.params = 1;
2909 	if (runtime->oss.params) {