Re: [PATCH v6 11/13] ASoC: soc-dapm.h: Convert macros to return a compound literal

From: Christophe Leroy
Date: Tue Jun 27 2023 - 06:04:29 EST

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Le 23/06/2023 à 10:58, Herve Codina a écrit :
> The SND_SOC_DAPM_* helpers family are used to build widgets array in a
> static way.
>
> Convert them to return a compound literal in order to use them in both
> static and dynamic way.
> With this conversion, the different SND_SOC_DAPM_* parameters can be
> computed by the code and the widget can be built based on this parameter
> computation.
> static int create_widget(char *input_name)
> {
> struct snd_soc_dapm_widget widget;
> char name*;
> ...
> name = input_name;
> if (!name)
> name = "default";
>
> widget = SND_SOC_DAPM_INPUT(name);
> ...
> }
>
> Signed-off-by: Herve Codina <herve.codina@xxxxxxxxxxx>
> Suggested-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>

Reviewed-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>

> ---
> include/sound/soc-dapm.h | 138 ++++++++++++++++++++++++++-------------
> 1 file changed, 92 insertions(+), 46 deletions(-)
>
> diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h
> index 87f8e1793af1..2e38dff16779 100644
> --- a/include/sound/soc-dapm.h
> +++ b/include/sound/soc-dapm.h
> @@ -42,36 +42,45 @@ struct soc_enum;
>
> /* codec domain */
> #define SND_SOC_DAPM_VMID(wname) \
> -{ .id = snd_soc_dapm_vmid, .name = wname, .kcontrol_news = NULL, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_vmid, .name = wname, .kcontrol_news = NULL, \
> .num_kcontrols = 0}
>
> /* platform domain */
> #define SND_SOC_DAPM_SIGGEN(wname) \
> -{ .id = snd_soc_dapm_siggen, .name = wname, .kcontrol_news = NULL, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_siggen, .name = wname, .kcontrol_news = NULL, \
> .num_kcontrols = 0, .reg = SND_SOC_NOPM }
> #define SND_SOC_DAPM_SINK(wname) \
> -{ .id = snd_soc_dapm_sink, .name = wname, .kcontrol_news = NULL, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_sink, .name = wname, .kcontrol_news = NULL, \
> .num_kcontrols = 0, .reg = SND_SOC_NOPM }
> #define SND_SOC_DAPM_INPUT(wname) \
> -{ .id = snd_soc_dapm_input, .name = wname, .kcontrol_news = NULL, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_input, .name = wname, .kcontrol_news = NULL, \
> .num_kcontrols = 0, .reg = SND_SOC_NOPM }
> #define SND_SOC_DAPM_OUTPUT(wname) \
> -{ .id = snd_soc_dapm_output, .name = wname, .kcontrol_news = NULL, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_output, .name = wname, .kcontrol_news = NULL, \
> .num_kcontrols = 0, .reg = SND_SOC_NOPM }
> #define SND_SOC_DAPM_MIC(wname, wevent) \
> -{ .id = snd_soc_dapm_mic, .name = wname, .kcontrol_news = NULL, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_mic, .name = wname, .kcontrol_news = NULL, \
> .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \
> .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD}
> #define SND_SOC_DAPM_HP(wname, wevent) \
> -{ .id = snd_soc_dapm_hp, .name = wname, .kcontrol_news = NULL, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_hp, .name = wname, .kcontrol_news = NULL, \
> .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \
> .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD}
> #define SND_SOC_DAPM_SPK(wname, wevent) \
> -{ .id = snd_soc_dapm_spk, .name = wname, .kcontrol_news = NULL, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_spk, .name = wname, .kcontrol_news = NULL, \
> .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \
> .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD}
> #define SND_SOC_DAPM_LINE(wname, wevent) \
> -{ .id = snd_soc_dapm_line, .name = wname, .kcontrol_news = NULL, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_line, .name = wname, .kcontrol_news = NULL, \
> .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \
> .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD}
>
> @@ -82,93 +91,110 @@ struct soc_enum;
> /* path domain */
> #define SND_SOC_DAPM_PGA(wname, wreg, wshift, winvert,\
> wcontrols, wncontrols) \
> -{ .id = snd_soc_dapm_pga, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_pga, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .kcontrol_news = wcontrols, .num_kcontrols = wncontrols}
> #define SND_SOC_DAPM_OUT_DRV(wname, wreg, wshift, winvert,\
> wcontrols, wncontrols) \
> -{ .id = snd_soc_dapm_out_drv, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_out_drv, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .kcontrol_news = wcontrols, .num_kcontrols = wncontrols}
> #define SND_SOC_DAPM_MIXER(wname, wreg, wshift, winvert, \
> wcontrols, wncontrols)\
> -{ .id = snd_soc_dapm_mixer, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_mixer, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .kcontrol_news = wcontrols, .num_kcontrols = wncontrols}
> #define SND_SOC_DAPM_MIXER_NAMED_CTL(wname, wreg, wshift, winvert, \
> wcontrols, wncontrols)\
> -{ .id = snd_soc_dapm_mixer_named_ctl, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_mixer_named_ctl, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .kcontrol_news = wcontrols, .num_kcontrols = wncontrols}
> /* DEPRECATED: use SND_SOC_DAPM_SUPPLY */
> #define SND_SOC_DAPM_MICBIAS(wname, wreg, wshift, winvert) \
> -{ .id = snd_soc_dapm_micbias, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_micbias, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .kcontrol_news = NULL, .num_kcontrols = 0}
> #define SND_SOC_DAPM_SWITCH(wname, wreg, wshift, winvert, wcontrols) \
> -{ .id = snd_soc_dapm_switch, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_switch, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .kcontrol_news = wcontrols, .num_kcontrols = 1}
> #define SND_SOC_DAPM_MUX(wname, wreg, wshift, winvert, wcontrols) \
> -{ .id = snd_soc_dapm_mux, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_mux, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .kcontrol_news = wcontrols, .num_kcontrols = 1}
> #define SND_SOC_DAPM_DEMUX(wname, wreg, wshift, winvert, wcontrols) \
> -{ .id = snd_soc_dapm_demux, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_demux, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .kcontrol_news = wcontrols, .num_kcontrols = 1}
>
> /* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */
> #define SOC_PGA_ARRAY(wname, wreg, wshift, winvert,\
> wcontrols) \
> -{ .id = snd_soc_dapm_pga, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_pga, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)}
> #define SOC_MIXER_ARRAY(wname, wreg, wshift, winvert, \
> wcontrols)\
> -{ .id = snd_soc_dapm_mixer, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_mixer, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)}
> #define SOC_MIXER_NAMED_CTL_ARRAY(wname, wreg, wshift, winvert, \
> wcontrols)\
> -{ .id = snd_soc_dapm_mixer_named_ctl, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_mixer_named_ctl, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols)}
>
> /* path domain with event - event handler must return 0 for success */
> #define SND_SOC_DAPM_PGA_E(wname, wreg, wshift, winvert, wcontrols, \
> wncontrols, wevent, wflags) \
> -{ .id = snd_soc_dapm_pga, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_pga, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \
> .event = wevent, .event_flags = wflags}
> #define SND_SOC_DAPM_OUT_DRV_E(wname, wreg, wshift, winvert, wcontrols, \
> wncontrols, wevent, wflags) \
> -{ .id = snd_soc_dapm_out_drv, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_out_drv, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \
> .event = wevent, .event_flags = wflags}
> #define SND_SOC_DAPM_MIXER_E(wname, wreg, wshift, winvert, wcontrols, \
> wncontrols, wevent, wflags) \
> -{ .id = snd_soc_dapm_mixer, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_mixer, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .kcontrol_news = wcontrols, .num_kcontrols = wncontrols, \
> .event = wevent, .event_flags = wflags}
> #define SND_SOC_DAPM_MIXER_NAMED_CTL_E(wname, wreg, wshift, winvert, \
> wcontrols, wncontrols, wevent, wflags) \
> -{ .id = snd_soc_dapm_mixer, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_mixer, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .kcontrol_news = wcontrols, \
> .num_kcontrols = wncontrols, .event = wevent, .event_flags = wflags}
> #define SND_SOC_DAPM_SWITCH_E(wname, wreg, wshift, winvert, wcontrols, \
> wevent, wflags) \
> -{ .id = snd_soc_dapm_switch, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_switch, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .kcontrol_news = wcontrols, .num_kcontrols = 1, \
> .event = wevent, .event_flags = wflags}
> #define SND_SOC_DAPM_MUX_E(wname, wreg, wshift, winvert, wcontrols, \
> wevent, wflags) \
> -{ .id = snd_soc_dapm_mux, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_mux, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .kcontrol_news = wcontrols, .num_kcontrols = 1, \
> .event = wevent, .event_flags = wflags}
> @@ -176,101 +202,121 @@ struct soc_enum;
> /* additional sequencing control within an event type */
> #define SND_SOC_DAPM_PGA_S(wname, wsubseq, wreg, wshift, winvert, \
> wevent, wflags) \
> -{ .id = snd_soc_dapm_pga, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_pga, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .event = wevent, .event_flags = wflags, \
> .subseq = wsubseq}
> #define SND_SOC_DAPM_SUPPLY_S(wname, wsubseq, wreg, wshift, winvert, wevent, \
> wflags) \
> -{ .id = snd_soc_dapm_supply, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_supply, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .event = wevent, .event_flags = wflags, .subseq = wsubseq}
>
> /* Simplified versions of above macros, assuming wncontrols = ARRAY_SIZE(wcontrols) */
> #define SOC_PGA_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \
> wevent, wflags) \
> -{ .id = snd_soc_dapm_pga, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_pga, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \
> .event = wevent, .event_flags = wflags}
> #define SOC_MIXER_E_ARRAY(wname, wreg, wshift, winvert, wcontrols, \
> wevent, wflags) \
> -{ .id = snd_soc_dapm_mixer, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_mixer, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \
> .event = wevent, .event_flags = wflags}
> #define SOC_MIXER_NAMED_CTL_E_ARRAY(wname, wreg, wshift, winvert, \
> wcontrols, wevent, wflags) \
> -{ .id = snd_soc_dapm_mixer, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_mixer, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .kcontrol_news = wcontrols, .num_kcontrols = ARRAY_SIZE(wcontrols), \
> .event = wevent, .event_flags = wflags}
>
> /* events that are pre and post DAPM */
> #define SND_SOC_DAPM_PRE(wname, wevent) \
> -{ .id = snd_soc_dapm_pre, .name = wname, .kcontrol_news = NULL, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_pre, .name = wname, .kcontrol_news = NULL, \
> .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \
> .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD}
> #define SND_SOC_DAPM_POST(wname, wevent) \
> -{ .id = snd_soc_dapm_post, .name = wname, .kcontrol_news = NULL, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_post, .name = wname, .kcontrol_news = NULL, \
> .num_kcontrols = 0, .reg = SND_SOC_NOPM, .event = wevent, \
> .event_flags = SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD}
>
> /* stream domain */
> #define SND_SOC_DAPM_AIF_IN(wname, stname, wchan, wreg, wshift, winvert) \
> -{ .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \
> .channel = wchan, SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), }
> #define SND_SOC_DAPM_AIF_IN_E(wname, stname, wchan, wreg, wshift, winvert, \
> wevent, wflags) \
> -{ .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_aif_in, .name = wname, .sname = stname, \
> .channel = wchan, SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .event = wevent, .event_flags = wflags }
> #define SND_SOC_DAPM_AIF_OUT(wname, stname, wchan, wreg, wshift, winvert) \
> -{ .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \
> .channel = wchan, SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), }
> #define SND_SOC_DAPM_AIF_OUT_E(wname, stname, wchan, wreg, wshift, winvert, \
> wevent, wflags) \
> -{ .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_aif_out, .name = wname, .sname = stname, \
> .channel = wchan, SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .event = wevent, .event_flags = wflags }
> #define SND_SOC_DAPM_DAC(wname, stname, wreg, wshift, winvert) \
> -{ .id = snd_soc_dapm_dac, .name = wname, .sname = stname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_dac, .name = wname, .sname = stname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert) }
> #define SND_SOC_DAPM_DAC_E(wname, stname, wreg, wshift, winvert, \
> wevent, wflags) \
> -{ .id = snd_soc_dapm_dac, .name = wname, .sname = stname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_dac, .name = wname, .sname = stname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .event = wevent, .event_flags = wflags}
>
> #define SND_SOC_DAPM_ADC(wname, stname, wreg, wshift, winvert) \
> -{ .id = snd_soc_dapm_adc, .name = wname, .sname = stname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_adc, .name = wname, .sname = stname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), }
> #define SND_SOC_DAPM_ADC_E(wname, stname, wreg, wshift, winvert, \
> wevent, wflags) \
> -{ .id = snd_soc_dapm_adc, .name = wname, .sname = stname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_adc, .name = wname, .sname = stname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .event = wevent, .event_flags = wflags}
> #define SND_SOC_DAPM_CLOCK_SUPPLY(wname) \
> -{ .id = snd_soc_dapm_clock_supply, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_clock_supply, .name = wname, \
> .reg = SND_SOC_NOPM, .event = dapm_clock_event, \
> .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD }
>
> /* generic widgets */
> #define SND_SOC_DAPM_REG(wid, wname, wreg, wshift, wmask, won_val, woff_val) \
> -{ .id = wid, .name = wname, .kcontrol_news = NULL, .num_kcontrols = 0, \
> +(struct snd_soc_dapm_widget) { \
> + .id = wid, .name = wname, .kcontrol_news = NULL, .num_kcontrols = 0, \
> .reg = wreg, .shift = wshift, .mask = wmask, \
> .on_val = won_val, .off_val = woff_val, }
> #define SND_SOC_DAPM_SUPPLY(wname, wreg, wshift, winvert, wevent, wflags) \
> -{ .id = snd_soc_dapm_supply, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_supply, .name = wname, \
> SND_SOC_DAPM_INIT_REG_VAL(wreg, wshift, winvert), \
> .event = wevent, .event_flags = wflags}
> #define SND_SOC_DAPM_REGULATOR_SUPPLY(wname, wdelay, wflags) \
> -{ .id = snd_soc_dapm_regulator_supply, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_regulator_supply, .name = wname, \
> .reg = SND_SOC_NOPM, .shift = wdelay, .event = dapm_regulator_event, \
> .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD, \
> .on_val = wflags}
> #define SND_SOC_DAPM_PINCTRL(wname, active, sleep) \
> -{ .id = snd_soc_dapm_pinctrl, .name = wname, \
> +(struct snd_soc_dapm_widget) { \
> + .id = snd_soc_dapm_pinctrl, .name = wname, \
> .priv = (&(struct snd_soc_dapm_pinctrl_priv) \
> { .active_state = active, .sleep_state = sleep,}), \
> .reg = SND_SOC_NOPM, .event = dapm_pinctrl_event, \

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