/* * Definitions for CS4271 ASoC codec driver * * Copyright (c) 2010 Alexander Sverdlin * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * 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. */ #ifndef __CS4271_H #define __CS4271_H struct cs4271_platform_data { int gpio_nreset; /* GPIO driving Reset pin, if any */ bool amutec_eq_bmutec; /* flag to enable AMUTEC=BMUTEC */ /* * The CS4271 requires its LRCLK and MCLK to be stable before its RESET * line is de-asserted. That also means that clocks cannot be changed * without putting the chip back into hardware reset, which also requires * a complete re-initialization of all registers. * * One (undocumented) workaround is to assert and de-assert the PDN bit * in the MODE2 register. This workaround can be enabled with the * following flag. * * Note that this is not needed in case the clocks are stable * throughout the entire runtime of the codec. */ bool enable_soft_reset; }; #endif /* __CS4271_H */ bingsTobias Klauser
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authorStanislaw Gruszka <sgruszka@redhat.com>2017-01-29 12:40:52 +0100
committerKalle Valo <kvalo@codeaurora.org>2017-01-31 09:08:52 +0200
commit33e962c8871f015f5c8978384553dddcf5b81b22 (patch)
tree43aff96c2ee21d9e0fa2018457778a4de52053cd /include/uapi/scsi
parent575ddce0507789bf9830d089557d2199d2f91865 (diff)
rt2x00: fix clk_get call
clk_get() takes two arguments and might return ERR_PTR(), so we have to nullify pointer on that case, to do not break further call to clk_get_rate(). Reported-by: Felix Fietkau <nbd@nbd.name> Fixes: 34db70b92fae ("rt2x00: add copy of clk for soc devices") Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'include/uapi/scsi')