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Commit 64a109dc authored by Meng Wang's avatar Meng Wang
Browse files

ASoC: wcd9xxx: check impedance index before use 



Impedance index may be out of range. Check if impedance index
is out of range before use.

CRs-Fixed: 1046606
Change-Id: Ia490d15a51ad70759c917fbe7e84fdadaa140e20
Signed-off-by: default avatarMeng Wang <mwang@codeaurora.org>
parent 7c8a2f0c

sound/soc/codecs/wcd9xxx-common-v2.c

+5 −0
Original line number Diff line number Diff line
@@ -198,6 +198,11 @@ void wcd_clsh_imped_config(struct snd_soc_codec *codec, int imped, bool reset) 
		pr_debug("%s, impedance not in range = %d\n", __func__, imped);

		return;

	}

	if (index >= ARRAY_SIZE(imped_table)) {

		pr_debug("%s, impedance index not in range = %d\n", __func__,

			index);

		return;

	}

	for (i = 0; i < MAX_IMPED_PARAMS; i++)

		snd_soc_update_bits(codec, imped_table[index][i].reg,

				imped_table[index][i].mask,