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075413966a
Only the clock programming code needs to know whether the clocks changed, and that is encapsulated within tegra_asoc_utils_set_rate(). The machine driver's call to snd_soc_dai_set_sysclk(codec_dai, ...) is safe irrespective of whether the clocks changed. (Applying Mark's TrimSlice review comments to the existing driver) Signed-off-by: Stephen Warren <swarren@nvidia.com> Acked-by: Liam Girdwood <lrg@ti.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
/*
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* tegra_asoc_utils.h - Definitions for Tegra DAS driver
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*
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* Author: Stephen Warren <swarren@nvidia.com>
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* Copyright (C) 2010 - NVIDIA, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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#ifndef __TEGRA_ASOC_UTILS_H__
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#define __TEGRA_ASOC_UTILS_H_
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struct clk;
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struct device;
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struct tegra_asoc_utils_data {
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struct device *dev;
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struct clk *clk_pll_a;
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struct clk *clk_pll_a_out0;
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struct clk *clk_cdev1;
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int set_baseclock;
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int set_mclk;
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};
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int tegra_asoc_utils_set_rate(struct tegra_asoc_utils_data *data, int srate,
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int mclk);
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int tegra_asoc_utils_init(struct tegra_asoc_utils_data *data,
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struct device *dev);
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void tegra_asoc_utils_fini(struct tegra_asoc_utils_data *data);
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#endif
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