ASoC: rt5645: Fix potential crash in jd function
If no one defined the rt5645->pdata.hp_det_gpio in coreboot/bios. It will cause kernel to reboot because rt5645->pdata.hp_det_gpio is 0. So it is worth to add a check in rt5645_jack_detect. Signed-off-by: Bard Liao <bardliao@realtek.com> Signed-off-by: Fang, Yang A <yang.a.fang@intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -2113,6 +2113,10 @@ static int rt5645_jack_detect(struct snd_soc_codec *codec,
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int gpio_state, jack_type = 0;
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unsigned int val;
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if (!gpio_is_valid(rt5645->pdata.hp_det_gpio)) {
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dev_err(codec->dev, "invalid gpio\n");
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return -EINVAL;
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}
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gpio_state = gpio_get_value(rt5645->pdata.hp_det_gpio);
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dev_dbg(codec->dev, "gpio = %d(%d)\n", rt5645->pdata.hp_det_gpio,
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