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authorStephen Warren <swarren@nvidia.com>2011-01-08 08:36:15 +0300
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-01-11 01:20:47 +0300
commita50a399b8ba169816d8afae66bfd42fbb65b1973 (patch)
tree5e1b7e3bc99e7ccd3c92a247cad7fb37a768f2e4 /sound/soc/tegra/tegra_asoc_utils.h
parent71f78e22146c522b26fc2074fcd9cb81806895b1 (diff)
downloadlinux-a50a399b8ba169816d8afae66bfd42fbb65b1973.tar.xz
ASoC: tegra: Machine utility code
Many portions of Tegra ASoC machine drivers will be similar or identical. To avoid cut/paste, this file will act as a repository for all that common code. For now, it solely includes code to reprogram the audio PLL for 44.1KHz- vs. 48KHz-based sample rates. Signed-Off-By: Stephen Warren <swarren@nvidia.com> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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diff --git a/sound/soc/tegra/tegra_asoc_utils.h b/sound/soc/tegra/tegra_asoc_utils.h
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+/*
+ * tegra_asoc_utils.h - Definitions for Tegra DAS driver
+ *
+ * Author: Stephen Warren <swarren@nvidia.com>
+ * Copyright (C) 2010 - NVIDIA, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#ifndef __TEGRA_ASOC_UTILS_H__
+#define __TEGRA_ASOC_UTILS_H_
+
+int tegra_asoc_utils_set_rate(int srate, int mclk_rate, int *mclk_change);
+int tegra_asoc_utils_init(void);
+void tegra_asoc_utils_fini(void);
+
+#endif
+