linux-loongson/sound/soc/intel/boards/hda_dsp_common.c
Peter Zijlstra cdd30ebb1b module: Convert symbol namespace to string literal
Clean up the existing export namespace code along the same lines of
commit 33def8498f ("treewide: Convert macro and uses of __section(foo)
to __section("foo")") and for the same reason, it is not desired for the
namespace argument to be a macro expansion itself.

Scripted using

  git grep -l -e MODULE_IMPORT_NS -e EXPORT_SYMBOL_NS | while read file;
  do
    awk -i inplace '
      /^#define EXPORT_SYMBOL_NS/ {
        gsub(/__stringify\(ns\)/, "ns");
        print;
        next;
      }
      /^#define MODULE_IMPORT_NS/ {
        gsub(/__stringify\(ns\)/, "ns");
        print;
        next;
      }
      /MODULE_IMPORT_NS/ {
        $0 = gensub(/MODULE_IMPORT_NS\(([^)]*)\)/, "MODULE_IMPORT_NS(\"\\1\")", "g");
      }
      /EXPORT_SYMBOL_NS/ {
        if ($0 ~ /(EXPORT_SYMBOL_NS[^(]*)\(([^,]+),/) {
  	if ($0 !~ /(EXPORT_SYMBOL_NS[^(]*)\(([^,]+), ([^)]+)\)/ &&
  	    $0 !~ /(EXPORT_SYMBOL_NS[^(]*)\(\)/ &&
  	    $0 !~ /^my/) {
  	  getline line;
  	  gsub(/[[:space:]]*\\$/, "");
  	  gsub(/[[:space:]]/, "", line);
  	  $0 = $0 " " line;
  	}

  	$0 = gensub(/(EXPORT_SYMBOL_NS[^(]*)\(([^,]+), ([^)]+)\)/,
  		    "\\1(\\2, \"\\3\")", "g");
        }
      }
      { print }' $file;
  done

Requested-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://mail.google.com/mail/u/2/#inbox/FMfcgzQXKWgMmjdFwwdsfgxzKpVHWPlc
Acked-by: Greg KH <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2024-12-02 11:34:44 -08:00

92 lines
2.1 KiB
C

// SPDX-License-Identifier: GPL-2.0-only
//
// Copyright(c) 2019 Intel Corporation
#include <linux/module.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/hda_codec.h>
#include <sound/hda_i915.h>
#include "../../codecs/hdac_hda.h"
#include "hda_dsp_common.h"
#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
/*
* Search card topology and return PCM device number
* matching Nth HDMI device (zero-based index).
*/
static struct snd_pcm *hda_dsp_hdmi_pcm_handle(struct snd_soc_card *card,
int hdmi_idx)
{
struct snd_soc_pcm_runtime *rtd;
struct snd_pcm *spcm;
int i = 0;
for_each_card_rtds(card, rtd) {
spcm = rtd->pcm ?
rtd->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].pcm : NULL;
if (spcm && strstr(spcm->id, "HDMI")) {
if (i == hdmi_idx)
return rtd->pcm;
++i;
}
}
return NULL;
}
/*
* Search card topology and register HDMI PCM related controls
* to codec driver.
*/
int hda_dsp_hdmi_build_controls(struct snd_soc_card *card,
struct snd_soc_component *comp)
{
struct hdac_hda_priv *hda_pvt;
struct hda_codec *hcodec;
struct snd_pcm *spcm;
struct hda_pcm *hpcm;
int err = 0, i = 0;
if (!comp)
return -EINVAL;
hda_pvt = snd_soc_component_get_drvdata(comp);
hcodec = hda_pvt->codec;
list_for_each_entry(hpcm, &hcodec->pcm_list_head, list) {
spcm = hda_dsp_hdmi_pcm_handle(card, i);
if (spcm) {
hpcm->pcm = spcm;
hpcm->device = spcm->device;
dev_dbg(card->dev,
"mapping HDMI converter %d to PCM %d (%p)\n",
i, hpcm->device, spcm);
} else {
hpcm->pcm = NULL;
hpcm->device = SNDRV_PCM_INVALID_DEVICE;
dev_warn(card->dev,
"%s: no PCM in topology for HDMI converter %d\n",
__func__, i);
}
i++;
}
snd_hdac_display_power(hcodec->core.bus,
HDA_CODEC_IDX_CONTROLLER, true);
err = snd_hda_codec_build_controls(hcodec);
if (err < 0)
dev_err(card->dev, "unable to create controls %d\n", err);
snd_hdac_display_power(hcodec->core.bus,
HDA_CODEC_IDX_CONTROLLER, false);
return err;
}
EXPORT_SYMBOL_NS(hda_dsp_hdmi_build_controls, "SND_SOC_INTEL_HDA_DSP_COMMON");
#endif
MODULE_DESCRIPTION("ASoC Intel HDMI helpers");
MODULE_LICENSE("GPL");