diff options
| -rw-r--r-- | sound/x86/intel_hdmi_audio.c | 66 |
1 files changed, 14 insertions, 52 deletions
diff --git a/sound/x86/intel_hdmi_audio.c b/sound/x86/intel_hdmi_audio.c index 24a18b88c927..5613c675ce70 100644 --- a/sound/x86/intel_hdmi_audio.c +++ b/sound/x86/intel_hdmi_audio.c @@ -609,11 +609,7 @@ static int had_register_chmap_ctls(struct snd_intelhad *intelhaddata, } /* - * snd_intelhad_prog_dip - to initialize Data Island Packets registers - * - * @substream:substream for which the prepare function is called - * @intelhaddata:substream private data - * + * Initialize Data Island Packets registers * This function is called in the prepare callback */ static void snd_intelhad_prog_dip(struct snd_pcm_substream *substream, @@ -666,10 +662,7 @@ static void snd_intelhad_prog_dip(struct snd_pcm_substream *substream, } /* - * snd_intelhad_prog_buffer - programs buffer address and length registers - * @substream: substream for which the prepare function is called - * @intelhaddata: substream private data - * + * Programs buffer address and length registers * This function programs ring buffer address and length into registers. */ static int snd_intelhad_prog_buffer(struct snd_pcm_substream *substream, @@ -824,7 +817,7 @@ static int had_calculate_maud_value(u32 aud_samp_freq, u32 link_rate) } /* - * snd_intelhad_prog_cts - Program HDMI audio CTS value + * Program HDMI audio CTS value * * @aud_samp_freq: sampling frequency of audio data * @tmds: sampling frequency of the display data @@ -896,7 +889,7 @@ static int had_calculate_n_value(u32 aud_samp_freq) } /* - * snd_intelhad_prog_n - Program HDMI audio N value + * Program HDMI audio N value * * @aud_samp_freq: sampling frequency of audio data * @n_param: N value, depends on aud_samp_freq @@ -962,10 +955,7 @@ static void snd_intelhad_handle_underrun(struct snd_intelhad *intelhaddata) } /* - * snd_intelhad_open - stream initializations are done here - * @substream:substream for which the stream function is called - * - * This function is called whenever a PCM stream is opened + * ALSA PCM open callback */ static int snd_intelhad_open(struct snd_pcm_substream *substream) { @@ -1017,10 +1007,7 @@ static int snd_intelhad_open(struct snd_pcm_substream *substream) } /* - * snd_intelhad_close - to free parameteres when stream is stopped - * @substream: substream for which the function is called - * - * This function is called by ALSA framework when stream is stopped + * ALSA PCM close callback */ static int snd_intelhad_close(struct snd_pcm_substream *substream) { @@ -1051,12 +1038,7 @@ static int snd_intelhad_close(struct snd_pcm_substream *substream) } /* - * snd_intelhad_hw_params - to setup the hardware parameters - * like allocating the buffers - * @substream: substream for which the function is called - * @hw_params: hardware parameters - * - * This function is called by ALSA framework when hardware params are set + * ALSA PCM hw_params callback */ static int snd_intelhad_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) @@ -1090,11 +1072,7 @@ static int snd_intelhad_hw_params(struct snd_pcm_substream *substream, } /* - * snd_intelhad_hw_free - to release the resources allocated during - * hardware params setup - * @substream: substream for which the function is called - * - * This function is called by ALSA framework before close callback. + * ALSA PCM hw_free callback */ static int snd_intelhad_hw_free(struct snd_pcm_substream *substream) { @@ -1113,11 +1091,7 @@ static int snd_intelhad_hw_free(struct snd_pcm_substream *substream) } /* - * snd_intelhad_pcm_trigger - stream activities are handled here - * @substream: substream for which the stream function is called - * @cmd: the stream commamd thats requested from upper layer - * - * This function is called whenever an a stream activity is invoked + * ALSA PCM trigger callback */ static int snd_intelhad_pcm_trigger(struct snd_pcm_substream *substream, int cmd) @@ -1172,10 +1146,7 @@ static int snd_intelhad_pcm_trigger(struct snd_pcm_substream *substream, } /* - * snd_intelhad_pcm_prepare - internal preparation before starting a stream - * @substream: substream for which the function is called - * - * This function is called when a stream is started for internal preparation. + * ALSA PCM prepare callback */ static int snd_intelhad_pcm_prepare(struct snd_pcm_substream *substream) { @@ -1243,14 +1214,10 @@ prep_end: } /* - * snd_intelhad_pcm_pointer- to send the current buffer pointerprocessed by hw - * @substream: substream for which the function is called - * - * This function is called by ALSA framework to get the current hw buffer ptr - * when a period is elapsed + * ALSA PCM pointer callback */ -static snd_pcm_uframes_t snd_intelhad_pcm_pointer( - struct snd_pcm_substream *substream) +static snd_pcm_uframes_t +snd_intelhad_pcm_pointer(struct snd_pcm_substream *substream) { struct snd_intelhad *intelhaddata; u32 bytes_rendered = 0; @@ -1299,12 +1266,7 @@ static snd_pcm_uframes_t snd_intelhad_pcm_pointer( } /* - * snd_intelhad_pcm_mmap- mmaps a kernel buffer to user space for copying data - * @substream: substream for which the function is called - * @vma: struct instance of memory VMM memory area - * - * This function is called by OS when a user space component - * tries to get mmap memory from driver + * ALSA PCM mmap callback */ static int snd_intelhad_pcm_mmap(struct snd_pcm_substream *substream, struct vm_area_struct *vma) |