add led

hc

2024-05-10 10ebd8556b7990499c896a550e3d416b444211e6

 kernel/sound/core/jack.c
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@@ -348,6 +348,7 @@
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 {
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 	struct snd_jack_kctl *jack_kctl;
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 #ifdef CONFIG_SND_JACK_INPUT_DEV
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+	struct input_dev *idev;
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 	int i;
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 #endif
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@@ -359,26 +360,28 @@
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 					    status & jack_kctl->mask_bits);
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 #ifdef CONFIG_SND_JACK_INPUT_DEV
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-	if (!jack->input_dev)
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+	idev = input_get_device(jack->input_dev);
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+	if (!idev)
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 		return;
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 	for (i = 0; i < ARRAY_SIZE(jack->key); i++) {
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 		int testbit = SND_JACK_BTN_0 >> i;
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 		if (jack->type & testbit)
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-			input_report_key(jack->input_dev, jack->key[i],
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+			input_report_key(idev, jack->key[i],
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 					 status & testbit);
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 	}
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 	for (i = 0; i < ARRAY_SIZE(jack_switch_types); i++) {
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 		int testbit = 1 << i;
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 		if (jack->type & testbit)
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-			input_report_switch(jack->input_dev,
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+			input_report_switch(idev,
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 					    jack_switch_types[i],
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 					    status & testbit);
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 	}
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-	input_sync(jack->input_dev);
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+	input_sync(idev);
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+	input_put_device(idev);
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 #endif /* CONFIG_SND_JACK_INPUT_DEV */
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 }
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 EXPORT_SYMBOL(snd_jack_report);