From patchwork Wed Jan 13 06:35:10 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Songjun Wu X-Patchwork-Id: 8023481 Return-Path: X-Original-To: patchwork-alsa-devel@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 64610BEEE5 for ; Wed, 13 Jan 2016 08:45:11 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6B3D520383 for ; Wed, 13 Jan 2016 08:45:10 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) by mail.kernel.org (Postfix) with ESMTP id 23A1E20379 for ; Wed, 13 Jan 2016 08:45:09 +0000 (UTC) Received: by alsa0.perex.cz (Postfix, from userid 1000) id 94E4B265546; Wed, 13 Jan 2016 09:45:07 +0100 (CET) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_NONE, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from alsa0.perex.cz (localhost [127.0.0.1]) by alsa0.perex.cz (Postfix) with ESMTP id 3EF7026048C; Wed, 13 Jan 2016 09:45:00 +0100 (CET) X-Original-To: alsa-devel@alsa-project.org Delivered-To: alsa-devel@alsa-project.org Received: by alsa0.perex.cz (Postfix, from userid 1000) id 5370D2604AA; Wed, 13 Jan 2016 09:44:59 +0100 (CET) Received: from DVREDG02.corp.atmel.com (nasmtp01.atmel.com [192.199.1.246]) by alsa0.perex.cz (Postfix) with ESMTP id EEDA326048C for ; Wed, 13 Jan 2016 09:44:51 +0100 (CET) Received: from sjogate2.atmel.com (10.42.103.223) by DVREDG02.corp.atmel.com (10.42.103.31) with Microsoft SMTP Server id 14.3.235.1; Tue, 12 Jan 2016 23:36:51 -0700 Received: from shaarm01.corp.atmel.com (shaarm01.corp.atmel.com [10.217.6.34]) by sjogate2.atmel.com (8.13.6/8.13.6) with ESMTP id u0D6TGMh022665; Tue, 12 Jan 2016 22:29:17 -0800 (PST) From: Songjun Wu To: , Date: Wed, 13 Jan 2016 14:35:10 +0800 Message-ID: <1452666910-23586-1-git-send-email-songjun.wu@atmel.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Arnd Bergmann , Greg Kroah-Hartman , Takashi Iwai , Liam Girdwood , Songjun Wu , linux-arm-kernel@lists.infradead.org Subject: [alsa-devel] [PATCH] ASoC: atmel_ssc_dai: distinguish the different SSC X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org X-Virus-Scanned: ClamAV using ClamSMTP Cpu_dai id always equals 0, can't distinguish the different SSC. Use platform_device id to record and distinguish the different SSC. Signed-off-by: Songjun Wu Acked-by: Nicolas Ferre --- drivers/misc/atmel-ssc.c | 1 + sound/soc/atmel/atmel_ssc_dai.c | 27 ++++++++++++++++++--------- 2 files changed, 19 insertions(+), 9 deletions(-) diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c index e11a0bd..0516ecd 100644 --- a/drivers/misc/atmel-ssc.c +++ b/drivers/misc/atmel-ssc.c @@ -34,6 +34,7 @@ struct ssc_device *ssc_request(unsigned int ssc_num) if (ssc->pdev->dev.of_node) { if (of_alias_get_id(ssc->pdev->dev.of_node, "ssc") == ssc_num) { + ssc->pdev->id = ssc_num; ssc_valid = 1; break; } diff --git a/sound/soc/atmel/atmel_ssc_dai.c b/sound/soc/atmel/atmel_ssc_dai.c index ba8def5..2768970 100644 --- a/sound/soc/atmel/atmel_ssc_dai.c +++ b/sound/soc/atmel/atmel_ssc_dai.c @@ -285,7 +285,8 @@ static int atmel_ssc_hw_rule_rate(struct snd_pcm_hw_params *params, static int atmel_ssc_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct atmel_ssc_info *ssc_p = &ssc_info[dai->id]; + struct platform_device *pdev = to_platform_device(dai->dev); + struct atmel_ssc_info *ssc_p = &ssc_info[pdev->id]; struct atmel_pcm_dma_params *dma_params; int dir, dir_mask; int ret; @@ -346,7 +347,8 @@ static int atmel_ssc_startup(struct snd_pcm_substream *substream, static void atmel_ssc_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct atmel_ssc_info *ssc_p = &ssc_info[dai->id]; + struct platform_device *pdev = to_platform_device(dai->dev); + struct atmel_ssc_info *ssc_p = &ssc_info[pdev->id]; struct atmel_pcm_dma_params *dma_params; int dir, dir_mask; @@ -392,7 +394,8 @@ static void atmel_ssc_shutdown(struct snd_pcm_substream *substream, static int atmel_ssc_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) { - struct atmel_ssc_info *ssc_p = &ssc_info[cpu_dai->id]; + struct platform_device *pdev = to_platform_device(cpu_dai->dev); + struct atmel_ssc_info *ssc_p = &ssc_info[pdev->id]; ssc_p->daifmt = fmt; return 0; @@ -404,7 +407,8 @@ static int atmel_ssc_set_dai_fmt(struct snd_soc_dai *cpu_dai, static int atmel_ssc_set_dai_clkdiv(struct snd_soc_dai *cpu_dai, int div_id, int div) { - struct atmel_ssc_info *ssc_p = &ssc_info[cpu_dai->id]; + struct platform_device *pdev = to_platform_device(cpu_dai->dev); + struct atmel_ssc_info *ssc_p = &ssc_info[pdev->id]; switch (div_id) { case ATMEL_SSC_CMR_DIV: @@ -445,7 +449,8 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { - int id = dai->id; + struct platform_device *pdev = to_platform_device(dai->dev); + int id = pdev->id; struct atmel_ssc_info *ssc_p = &ssc_info[id]; struct ssc_device *ssc = ssc_p->ssc; struct atmel_pcm_dma_params *dma_params; @@ -772,7 +777,8 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream, static int atmel_ssc_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct atmel_ssc_info *ssc_p = &ssc_info[dai->id]; + struct platform_device *pdev = to_platform_device(dai->dev); + struct atmel_ssc_info *ssc_p = &ssc_info[pdev->id]; struct atmel_pcm_dma_params *dma_params; int dir; @@ -795,7 +801,8 @@ static int atmel_ssc_prepare(struct snd_pcm_substream *substream, static int atmel_ssc_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { - struct atmel_ssc_info *ssc_p = &ssc_info[dai->id]; + struct platform_device *pdev = to_platform_device(dai->dev); + struct atmel_ssc_info *ssc_p = &ssc_info[pdev->id]; struct atmel_pcm_dma_params *dma_params; int dir; @@ -824,11 +831,12 @@ static int atmel_ssc_trigger(struct snd_pcm_substream *substream, static int atmel_ssc_suspend(struct snd_soc_dai *cpu_dai) { struct atmel_ssc_info *ssc_p; + struct platform_device *pdev = to_platform_device(cpu_dai->dev); if (!cpu_dai->active) return 0; - ssc_p = &ssc_info[cpu_dai->id]; + ssc_p = &ssc_info[pdev->id]; /* Save the status register before disabling transmit and receive */ ssc_p->ssc_state.ssc_sr = ssc_readl(ssc_p->ssc->regs, SR); @@ -852,12 +860,13 @@ static int atmel_ssc_suspend(struct snd_soc_dai *cpu_dai) static int atmel_ssc_resume(struct snd_soc_dai *cpu_dai) { struct atmel_ssc_info *ssc_p; + struct platform_device *pdev = to_platform_device(cpu_dai->dev); u32 cr; if (!cpu_dai->active) return 0; - ssc_p = &ssc_info[cpu_dai->id]; + ssc_p = &ssc_info[pdev->id]; /* restore SSC register settings */ ssc_writel(ssc_p->ssc->regs, TFMR, ssc_p->ssc_state.ssc_tfmr);