56 	struct snd_pcm_substream *substream;  member
114 static int snd_sh_dac_pcm_open(struct snd_pcm_substream *substream)  in snd_sh_dac_pcm_open()  argument
116 	struct snd_sh_dac *chip = snd_pcm_substream_chip(substream);  in snd_sh_dac_pcm_open()
117 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_sh_dac_pcm_open()
121 	chip->substream = substream;  in snd_sh_dac_pcm_open()
131 static int snd_sh_dac_pcm_close(struct snd_pcm_substream *substream)  in snd_sh_dac_pcm_close()  argument
133 	struct snd_sh_dac *chip = snd_pcm_substream_chip(substream);  in snd_sh_dac_pcm_close()
135 	chip->substream = NULL;  in snd_sh_dac_pcm_close()
143 static int snd_sh_dac_pcm_hw_params(struct snd_pcm_substream *substream,  in snd_sh_dac_pcm_hw_params()  argument
146 	return snd_pcm_lib_malloc_pages(substream,  in snd_sh_dac_pcm_hw_params()
150 static int snd_sh_dac_pcm_hw_free(struct snd_pcm_substream *substream)  in snd_sh_dac_pcm_hw_free()  argument
152 	return snd_pcm_lib_free_pages(substream);  in snd_sh_dac_pcm_hw_free()
155 static int snd_sh_dac_pcm_prepare(struct snd_pcm_substream *substream)  in snd_sh_dac_pcm_prepare()  argument
157 	struct snd_sh_dac *chip = snd_pcm_substream_chip(substream);  in snd_sh_dac_pcm_prepare()
158 	struct snd_pcm_runtime *runtime = chip->substream->runtime;  in snd_sh_dac_pcm_prepare()
166 static int snd_sh_dac_pcm_trigger(struct snd_pcm_substream *substream, int cmd)  in snd_sh_dac_pcm_trigger()  argument
168 	struct snd_sh_dac *chip = snd_pcm_substream_chip(substream);  in snd_sh_dac_pcm_trigger()
187 static int snd_sh_dac_pcm_copy(struct snd_pcm_substream *substream, int channel,  in snd_sh_dac_pcm_copy()  argument
191 	struct snd_sh_dac *chip = snd_pcm_substream_chip(substream);  in snd_sh_dac_pcm_copy()
192 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_sh_dac_pcm_copy()
213 static int snd_sh_dac_pcm_silence(struct snd_pcm_substream *substream,  in snd_sh_dac_pcm_silence()  argument
218 	struct snd_sh_dac *chip = snd_pcm_substream_chip(substream);  in snd_sh_dac_pcm_silence()
219 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_sh_dac_pcm_silence()
241 snd_pcm_uframes_t snd_sh_dac_pcm_pointer(struct snd_pcm_substream *substream)  in snd_sh_dac_pcm_pointer()  argument
243 	struct snd_sh_dac *chip = snd_pcm_substream_chip(substream);  in snd_sh_dac_pcm_pointer()
317 	struct snd_pcm_runtime *runtime = chip->substream->runtime;  in sh_dac_audio_timer()
327 			snd_pcm_period_elapsed(chip->substream);  in sh_dac_audio_timer()