From patchwork Thu Apr 30 17:17:50 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Srinivas Kandagatla X-Patchwork-Id: 6306181 Return-Path: X-Original-To: patchwork-linux-arm-msm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 4EB6CBEEE1 for ; Thu, 30 Apr 2015 17:18:03 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 8B6CD2018E for ; Thu, 30 Apr 2015 17:18:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A832F20211 for ; Thu, 30 Apr 2015 17:18:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751385AbbD3RR6 (ORCPT ); Thu, 30 Apr 2015 13:17:58 -0400 Received: from mail-wg0-f43.google.com ([74.125.82.43]:35200 "EHLO mail-wg0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752613AbbD3RRz (ORCPT ); Thu, 30 Apr 2015 13:17:55 -0400 Received: by wgyo15 with SMTP id o15so69830397wgy.2 for ; Thu, 30 Apr 2015 10:17:54 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=61Cn1CsHMp3e0cSZmAb5OOKoaliE8LdlbjTEiHhCvgw=; b=TYOI3atoUjYHSQIqmOoSor9PSdnYuJBng6I93562YsGB2b13LtoqOkD5gJJUomRe15 tJ8ydhFGdyhSS7Pe8qpI2efivwlL4shfRGLcclFFLf5CA1bUuItp9VXLLLDKUkPPnjYL R/iJxgRpIBK8Ny0WzHipNmrBOsK4Dd6upwOPedFHTmv8qggmXB1mqRxR42PcUgXEGZf0 yVG1FeOOYt0PapY4ok47U6u/1gs+CbfLslpz7jm955hr0ipzOIOxX2Ubi2sRw/kVM0VK +DC8VRZreYR2uQpz/k0p7Cb65b3nK/FQNhdKR9oZ9Mb7OraQjq015BcEvlnEkNczb0p2 dpww== X-Gm-Message-State: ALoCoQnV+i7RtT5RbQngegRCrtyf5C/M0ECYZ299azmHm2isDdtxWRz91hFu8KYgLMEBvsHeVln2 X-Received: by 10.194.47.165 with SMTP id e5mr10324912wjn.128.1430414274233; Thu, 30 Apr 2015 10:17:54 -0700 (PDT) Received: from srini-ThinkPad-X1-Carbon-2nd.dlink.com (host-2-98-219-188.as13285.net. [2.98.219.188]) by mx.google.com with ESMTPSA id b10sm3299490wiz.9.2015.04.30.10.17.52 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 30 Apr 2015 10:17:53 -0700 (PDT) From: Srinivas Kandagatla To: Patrick Lai , Mark Brown Cc: Rob Herring , Pawel Moll , Ian Campbell , Kumar Gala , Banajit Goswami , Kenneth Westfield , Liam Girdwood , Jaroslav Kysela , Takashi Iwai , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, linux-arm-msm@vger.kernel.org, Srinivas Kandagatla Subject: [RFC PATCH 10/14] ASoC: qcom: add bit map to track static dma channel allocations Date: Thu, 30 Apr 2015 18:17:50 +0100 Message-Id: <1430414270-11300-1-git-send-email-srinivas.kandagatla@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1430414148-10869-1-git-send-email-srinivas.kandagatla@linaro.org> References: <1430414148-10869-1-git-send-email-srinivas.kandagatla@linaro.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This patch adds dma channel bit mask to lpass data to keep track of dma channel allocations. This flag would be used in apq8016 lpass driver. Signed-off-by: Srinivas Kandagatla --- sound/soc/qcom/lpass.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h index c3016fe..82708d1 100644 --- a/sound/soc/qcom/lpass.h +++ b/sound/soc/qcom/lpass.h @@ -49,6 +49,9 @@ struct lpass_data { /* SOC specific variations in the LPASS IP integration */ struct lpass_variant *variant; + /* bit map to keep track of static channel allocations */ + unsigned long rdma_ch_bit_map; + /* used it for handling interrupt per dma channel */ struct snd_pcm_substream *substream[LPASS_MAX_DMA_CHANNELS]; };