linux-kernel - [PATCH 07/13] ASoC: ux500_pcm: Extract MSP IDs from Device Tree

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Message-Id: <1383732985-18928-8-git-send-email-lee.jones@linaro.org>
Date:	Wed,  6 Nov 2013 10:16:19 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:	linus.walleij@...aro.org, Lee Jones <lee.jones@...aro.org>,
	alsa-devel@...a-project.org, Mark Brown <broonie@...nel.org>
Subject: [PATCH 07/13] ASoC: ux500_pcm: Extract MSP IDs from Device Tree

This is required for indexing pre-defined channel configuration structures.

Cc: alsa-devel@...a-project.org
Cc: Mark Brown <broonie@...nel.org>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 sound/soc/ux500/ux500_msp_i2s.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/sound/soc/ux500/ux500_msp_i2s.c b/sound/soc/ux500/ux500_msp_i2s.c
index 1ca8b08..0a99372 100644
--- a/sound/soc/ux500/ux500_msp_i2s.c
+++ b/sound/soc/ux500/ux500_msp_i2s.c
@@ -665,6 +665,13 @@ int ux500_msp_i2s_init_msp(struct platform_device *pdev,
 				sizeof(struct msp_i2s_platform_data), GFP_KERNEL);
 			if (!platform_data)
 				return -ENOMEM;
+
+			if (!of_property_read_u32(np, "id",
+						  &platform_data->id)) {
+				dev_err(&pdev->dev,
+					"No 'id' property found in DT\n");
+				return -EINVAL;
+			}
 		}
 	} else
 		if (!platform_data)
-- 
1.8.1.2

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