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ASoC: soc-dai: don't overwide dai->driver->ops 

Current ASoC overwrites null_dai_ops to dai->driver->ops if it
was NULL. But, we can remove it if framework always checks
dai->driver->ops when it uses DAI callbacks.
This patch do it, and removes null_dai_ops.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-By: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/87zhb1sskc.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kuninori Morimoto 2020-04-24 08:14:43 +09:00 committed by Mark Brown
parent aa7b8230d4
commit 479914ed77
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 39 additions and 24 deletions
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5
sound/soc/soc-core.c
View File

@ -742,9 +742,6 @@ static inline void soc_resume_init(struct snd_soc_card *card)
}
#endif
static const struct snd_soc_dai_ops null_dai_ops = {
};
static struct device_node
*soc_component_to_node(struct snd_soc_component *component)
{
@ -2406,8 +2403,6 @@ struct snd_soc_dai *snd_soc_register_dai(struct snd_soc_component *component,
dai->component = component;
dai->dev = dev;
dai->driver = dai_drv;
if (!dai->driver->ops)
dai->driver->ops = &null_dai_ops;
/* see for_each_component_dais */
list_add_tail(&dai->list, &component->dai_list);

58
sound/soc/soc-dai.c
View File

@ -41,7 +41,8 @@ int snd_soc_dai_set_sysclk(struct snd_soc_dai *dai, int clk_id,
{
int ret;
if (dai->driver->ops->set_sysclk)
if (dai->driver->ops &&
dai->driver->ops->set_sysclk)
ret = dai->driver->ops->set_sysclk(dai, clk_id, freq, dir);
else
ret = snd_soc_component_set_sysclk(dai->component, clk_id, 0,
@ -66,7 +67,8 @@ int snd_soc_dai_set_clkdiv(struct snd_soc_dai *dai,
{
int ret = -EINVAL;
if (dai->driver->ops->set_clkdiv)
if (dai->driver->ops &&
dai->driver->ops->set_clkdiv)
ret = dai->driver->ops->set_clkdiv(dai, div_id, div);
return soc_dai_ret(dai, ret);
@ -88,7 +90,8 @@ int snd_soc_dai_set_pll(struct snd_soc_dai *dai, int pll_id, int source,
{
int ret;
if (dai->driver->ops->set_pll)
if (dai->driver->ops &&
dai->driver->ops->set_pll)
ret = dai->driver->ops->set_pll(dai, pll_id, source,
freq_in, freq_out);
else
@ -110,7 +113,8 @@ int snd_soc_dai_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
{
int ret = -EINVAL;
if (dai->driver->ops->set_bclk_ratio)
if (dai->driver->ops &&
dai->driver->ops->set_bclk_ratio)
ret = dai->driver->ops->set_bclk_ratio(dai, ratio);
return soc_dai_ret(dai, ret);
@ -128,7 +132,8 @@ int snd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
int ret = -ENOTSUPP;
if (dai->driver->ops->set_fmt)
if (dai->driver->ops &&
dai->driver->ops->set_fmt)
ret = dai->driver->ops->set_fmt(dai, fmt);
return soc_dai_ret(dai, ret);
@ -188,7 +193,8 @@ int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
{
int ret = -ENOTSUPP;
if (dai->driver->ops->xlate_tdm_slot_mask)
if (dai->driver->ops &&
dai->driver->ops->xlate_tdm_slot_mask)
dai->driver->ops->xlate_tdm_slot_mask(slots,
&tx_mask, &rx_mask);
else
@ -197,7 +203,8 @@ int snd_soc_dai_set_tdm_slot(struct snd_soc_dai *dai,
dai->tx_mask = tx_mask;
dai->rx_mask = rx_mask;
if (dai->driver->ops->set_tdm_slot)
if (dai->driver->ops &&
dai->driver->ops->set_tdm_slot)
ret = dai->driver->ops->set_tdm_slot(dai, tx_mask, rx_mask,
slots, slot_width);
return soc_dai_ret(dai, ret);
@ -222,7 +229,8 @@ int snd_soc_dai_set_channel_map(struct snd_soc_dai *dai,
{
int ret = -ENOTSUPP;
if (dai->driver->ops->set_channel_map)
if (dai->driver->ops &&
dai->driver->ops->set_channel_map)
ret = dai->driver->ops->set_channel_map(dai, tx_num, tx_slot,
rx_num, rx_slot);
return soc_dai_ret(dai, ret);
@ -245,7 +253,8 @@ int snd_soc_dai_get_channel_map(struct snd_soc_dai *dai,
{
int ret = -ENOTSUPP;
if (dai->driver->ops->get_channel_map)
if (dai->driver->ops &&
dai->driver->ops->get_channel_map)
ret = dai->driver->ops->get_channel_map(dai, tx_num, tx_slot,
rx_num, rx_slot);
return soc_dai_ret(dai, ret);
@ -263,7 +272,8 @@ int snd_soc_dai_set_tristate(struct snd_soc_dai *dai, int tristate)
{
int ret = -EINVAL;
if (dai->driver->ops->set_tristate)
if (dai->driver->ops &&
dai->driver->ops->set_tristate)
ret = dai->driver->ops->set_tristate(dai, tristate);
return soc_dai_ret(dai, ret);
@ -283,9 +293,11 @@ int snd_soc_dai_digital_mute(struct snd_soc_dai *dai, int mute,
{
int ret = -ENOTSUPP;
if (dai->driver->ops->mute_stream)
if (dai->driver->ops &&
dai->driver->ops->mute_stream)
ret = dai->driver->ops->mute_stream(dai, mute, direction);
else if (direction == SNDRV_PCM_STREAM_PLAYBACK &&
dai->driver->ops &&
dai->driver->ops->digital_mute)
ret = dai->driver->ops->digital_mute(dai, mute);
@ -307,7 +319,8 @@ int snd_soc_dai_hw_params(struct snd_soc_dai *dai,
goto end;
}
if (dai->driver->ops->hw_params)
if (dai->driver->ops &&
dai->driver->ops->hw_params)
ret = dai->driver->ops->hw_params(substream, params, dai);
end:
return soc_dai_ret(dai, ret);
@ -316,7 +329,8 @@ end:
void snd_soc_dai_hw_free(struct snd_soc_dai *dai,
struct snd_pcm_substream *substream)
{
if (dai->driver->ops->hw_free)
if (dai->driver->ops &&
dai->driver->ops->hw_free)
dai->driver->ops->hw_free(substream, dai);
}
@ -325,7 +339,8 @@ int snd_soc_dai_startup(struct snd_soc_dai *dai,
{
int ret = 0;
if (dai->driver->ops->startup)
if (dai->driver->ops &&
dai->driver->ops->startup)
ret = dai->driver->ops->startup(substream, dai);
return soc_dai_ret(dai, ret);
@ -334,7 +349,8 @@ int snd_soc_dai_startup(struct snd_soc_dai *dai,
void snd_soc_dai_shutdown(struct snd_soc_dai *dai,
struct snd_pcm_substream *substream)
{
if (dai->driver->ops->shutdown)
if (dai->driver->ops &&
dai->driver->ops->shutdown)
dai->driver->ops->shutdown(substream, dai);
}
@ -343,7 +359,8 @@ int snd_soc_dai_prepare(struct snd_soc_dai *dai,
{
int ret = 0;
if (dai->driver->ops->prepare)
if (dai->driver->ops &&
dai->driver->ops->prepare)
ret = dai->driver->ops->prepare(substream, dai);
return soc_dai_ret(dai, ret);
@ -355,7 +372,8 @@ int snd_soc_dai_trigger(struct snd_soc_dai *dai,
{
int ret = 0;
if (dai->driver->ops->trigger)
if (dai->driver->ops &&
dai->driver->ops->trigger)
ret = dai->driver->ops->trigger(substream, cmd, dai);
return ret;
@ -367,7 +385,8 @@ int snd_soc_dai_bespoke_trigger(struct snd_soc_dai *dai,
{
int ret = 0;
if (dai->driver->ops->bespoke_trigger)
if (dai->driver->ops &&
dai->driver->ops->bespoke_trigger)
ret = dai->driver->ops->bespoke_trigger(substream, cmd, dai);
return soc_dai_ret(dai, ret);
@ -378,7 +397,8 @@ snd_pcm_sframes_t snd_soc_dai_delay(struct snd_soc_dai *dai,
{
int delay = 0;
if (dai->driver->ops->delay)
if (dai->driver->ops &&
dai->driver->ops->delay)
delay = dai->driver->ops->delay(substream, dai);
return delay;