From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6910BC56202 for ; Mon, 26 Oct 2020 18:54:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0F9B2207E8 for ; Mon, 26 Oct 2020 18:54:06 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="EZ3OY1dk" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1790512AbgJZSwv (ORCPT ); Mon, 26 Oct 2020 14:52:51 -0400 Received: from mail-wr1-f67.google.com ([209.85.221.67]:46729 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1790496AbgJZSwr (ORCPT ); Mon, 26 Oct 2020 14:52:47 -0400 Received: by mail-wr1-f67.google.com with SMTP id n6so13872168wrm.13; Mon, 26 Oct 2020 11:52:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=wmEJBdHb8VsDTUc8zqykHFK0yjqq1TH3D9eWn2/3Qmw=; b=EZ3OY1dkf31OorA609trYpGLeyIew6esjS9e8BQHbpcZuUwVGTriDEjpCi1Zk+LEkJ 1A18WVYBtHmS7RsvUewv3EQfcuySD5/k+59Zbj1RE86+yY3zZTTCaA1CtaaMCNT81YJ+ 9+DgZR6qq+wGoVBgql1u2KasVdZymdkWNwERujKYhqXU/Dd5YKOX9xvBBPykW8ZwPzjL YUAxHghmvuelssUfQdbIMB+y2SchA3fl6uSibg8T6EUtS9KJZ6V+Q4eIHZ52X+w8CgwA OoRXYBrzdEdAokD1CXQjdRGy3ljDJzWseJ+IbmboKhWJtdipl1fzQE1RInpSx8/Cg+X2 nw1w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=wmEJBdHb8VsDTUc8zqykHFK0yjqq1TH3D9eWn2/3Qmw=; b=Zqq+Z1yfJq0LuzeXUqybXR6ebWGhh4fzVV0Gjm1QIl9qRjbHyPzk8l52hRPsxRMwq4 dzt67J6HoPp7Xa3VH1bZmOpqtYjDFTYEis4btYiyQYKRG1NivSFaE6HvrOK3Y3rbflqn +yt/J5vpudliZGmRUatTjIZpWYQ+HtIXu69pQRPiUCY7zKYN73d54Y6YPjGGDL99BLE9 T7MACbeEODc19k/hDH7Ow9TiFAWwZK8EO515U12tRONqL19weBxdcd/FTOoSRw2SOq4x en+7QPwyLPTRF4NrclYqtansQlbBua0c4U8tld70+sAQ2yCJtBlzifF+OOLaCSESR92T 6KXQ== X-Gm-Message-State: AOAM531rI7VZSYI1A0YzE3fYleleC3qpEIicK5fjL6N78W56A5BT2tw0 pmKfY5QrWCyUmEgB9yOe0jk= X-Google-Smtp-Source: ABdhPJyml266Cz1fL8lVFciN70lXZHCur+b3U/JH6rFPzhIRH+rKMR3EO1e1BMWSPUXHB/RGAFJ2qQ== X-Received: by 2002:a05:6000:12c2:: with SMTP id l2mr19196554wrx.76.1603738366350; Mon, 26 Oct 2020 11:52:46 -0700 (PDT) Received: from localhost.localdomain (lputeaux-656-1-11-33.w82-127.abo.wanadoo.fr. [82.127.142.33]) by smtp.gmail.com with ESMTPSA id f7sm24885193wrx.64.2020.10.26.11.52.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Oct 2020 11:52:45 -0700 (PDT) From: =?UTF-8?q?Cl=C3=A9ment=20P=C3=A9ron?= To: Maxime Ripard , Chen-Yu Tsai , Rob Herring , Mark Brown , Liam Girdwood Cc: Jaroslav Kysela , Takashi Iwai , Marcus Cooper , Jernej Skrabec , alsa-devel@alsa-project.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, =?UTF-8?q?Cl=C3=A9ment=20P=C3=A9ron?= Subject: [PATCH v8 03/14] ASoC: sun4i-i2s: Change get_sr() and get_wss() to be more explicit Date: Mon, 26 Oct 2020 19:52:28 +0100 Message-Id: <20201026185239.379417-4-peron.clem@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201026185239.379417-1-peron.clem@gmail.com> References: <20201026185239.379417-1-peron.clem@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org We are actually using a complex formula to just return a bunch of simple values. Also this formula is wrong for sun4i when calling get_wss() the function return 4 instead of 3. Replace this with a simpler switch case. Also drop the i2s params which is unused and return a simple int as returning an error code could be out of range for an s8 and there is no optim to return a s8 here. Fixes: 619c15f7fac9 ("ASoC: sun4i-i2s: Change SR and WSS computation") Reviewed-by: Chen-Yu Tsai Signed-off-by: Clément Péron --- sound/soc/sunxi/sun4i-i2s.c | 69 +++++++++++++++++++++++-------------- 1 file changed, 44 insertions(+), 25 deletions(-) diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c index 5bec7fbd0b30..70a2ec99f444 100644 --- a/sound/soc/sunxi/sun4i-i2s.c +++ b/sound/soc/sunxi/sun4i-i2s.c @@ -175,8 +175,8 @@ struct sun4i_i2s_quirks { unsigned int num_mclk_dividers; unsigned long (*get_bclk_parent_rate)(const struct sun4i_i2s *); - s8 (*get_sr)(const struct sun4i_i2s *, int); - s8 (*get_wss)(const struct sun4i_i2s *, int); + int (*get_sr)(unsigned int width); + int (*get_wss)(unsigned int width); int (*set_chan_cfg)(const struct sun4i_i2s *i2s, unsigned int channels, unsigned int slots, unsigned int slot_width); @@ -381,37 +381,56 @@ static int sun4i_i2s_set_clk_rate(struct snd_soc_dai *dai, return 0; } -static s8 sun4i_i2s_get_sr(const struct sun4i_i2s *i2s, int width) +static int sun4i_i2s_get_sr(unsigned int width) { - if (width < 16 || width > 24) - return -EINVAL; - - if (width % 4) - return -EINVAL; + switch (width) { + case 16: + return 0; + case 20: + return 1; + case 24: + return 2; + } - return (width - 16) / 4; + return -EINVAL; } -static s8 sun4i_i2s_get_wss(const struct sun4i_i2s *i2s, int width) +static int sun4i_i2s_get_wss(unsigned int width) { - if (width < 16 || width > 32) - return -EINVAL; - - if (width % 4) - return -EINVAL; + switch (width) { + case 16: + return 0; + case 20: + return 1; + case 24: + return 2; + case 32: + return 3; + } - return (width - 16) / 4; + return -EINVAL; } -static s8 sun8i_i2s_get_sr_wss(const struct sun4i_i2s *i2s, int width) +static int sun8i_i2s_get_sr_wss(unsigned int width) { - if (width % 4) - return -EINVAL; - - if (width < 8 || width > 32) - return -EINVAL; + switch (width) { + case 8: + return 1; + case 12: + return 2; + case 16: + return 3; + case 20: + return 4; + case 24: + return 5; + case 28: + return 6; + case 32: + return 7; + } - return (width - 8) / 4 + 1; + return -EINVAL; } static int sun4i_i2s_set_chan_cfg(const struct sun4i_i2s *i2s, @@ -581,11 +600,11 @@ static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream, } i2s->playback_dma_data.addr_width = width; - sr = i2s->variant->get_sr(i2s, word_size); + sr = i2s->variant->get_sr(word_size); if (sr < 0) return -EINVAL; - wss = i2s->variant->get_wss(i2s, slot_width); + wss = i2s->variant->get_wss(slot_width); if (wss < 0) return -EINVAL; -- 2.25.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.5 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DF767C4363A for ; Mon, 26 Oct 2020 18:56:22 +0000 (UTC) Received: from alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 18FD82085B for ; 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[82.127.142.33]) by smtp.gmail.com with ESMTPSA id f7sm24885193wrx.64.2020.10.26.11.52.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Oct 2020 11:52:45 -0700 (PDT) From: =?UTF-8?q?Cl=C3=A9ment=20P=C3=A9ron?= To: Maxime Ripard , Chen-Yu Tsai , Rob Herring , Mark Brown , Liam Girdwood Subject: [PATCH v8 03/14] ASoC: sun4i-i2s: Change get_sr() and get_wss() to be more explicit Date: Mon, 26 Oct 2020 19:52:28 +0100 Message-Id: <20201026185239.379417-4-peron.clem@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201026185239.379417-1-peron.clem@gmail.com> References: <20201026185239.379417-1-peron.clem@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: devicetree@vger.kernel.org, Jernej Skrabec , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Takashi Iwai , Marcus Cooper , linux-sunxi@googlegroups.com, =?UTF-8?q?Cl=C3=A9ment=20P=C3=A9ron?= , linux-arm-kernel@lists.infradead.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 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" We are actually using a complex formula to just return a bunch of simple values. Also this formula is wrong for sun4i when calling get_wss() the function return 4 instead of 3. Replace this with a simpler switch case. Also drop the i2s params which is unused and return a simple int as returning an error code could be out of range for an s8 and there is no optim to return a s8 here. Fixes: 619c15f7fac9 ("ASoC: sun4i-i2s: Change SR and WSS computation") Reviewed-by: Chen-Yu Tsai Signed-off-by: Clément Péron --- sound/soc/sunxi/sun4i-i2s.c | 69 +++++++++++++++++++++++-------------- 1 file changed, 44 insertions(+), 25 deletions(-) diff --git a/sound/soc/sunxi/sun4i-i2s.c b/sound/soc/sunxi/sun4i-i2s.c index 5bec7fbd0b30..70a2ec99f444 100644 --- a/sound/soc/sunxi/sun4i-i2s.c +++ b/sound/soc/sunxi/sun4i-i2s.c @@ -175,8 +175,8 @@ struct sun4i_i2s_quirks { unsigned int num_mclk_dividers; unsigned long (*get_bclk_parent_rate)(const struct sun4i_i2s *); - s8 (*get_sr)(const struct sun4i_i2s *, int); - s8 (*get_wss)(const struct sun4i_i2s *, int); + int (*get_sr)(unsigned int width); + int (*get_wss)(unsigned int width); int (*set_chan_cfg)(const struct sun4i_i2s *i2s, unsigned int channels, unsigned int slots, unsigned int slot_width); @@ -381,37 +381,56 @@ static int sun4i_i2s_set_clk_rate(struct snd_soc_dai *dai, return 0; } -static s8 sun4i_i2s_get_sr(const struct sun4i_i2s *i2s, int width) +static int sun4i_i2s_get_sr(unsigned int width) { - if (width < 16 || width > 24) - return -EINVAL; - - if (width % 4) - return -EINVAL; + switch (width) { + case 16: + return 0; + case 20: + return 1; + case 24: + return 2; + } - return (width - 16) / 4; + return -EINVAL; } -static s8 sun4i_i2s_get_wss(const struct sun4i_i2s *i2s, int width) +static int sun4i_i2s_get_wss(unsigned int width) { - if (width < 16 || width > 32) - return -EINVAL; - - if (width % 4) - return -EINVAL; + switch (width) { + case 16: + return 0; + case 20: + return 1; + case 24: + return 2; + case 32: + return 3; + } - return (width - 16) / 4; + return -EINVAL; } -static s8 sun8i_i2s_get_sr_wss(const struct sun4i_i2s *i2s, int width) +static int sun8i_i2s_get_sr_wss(unsigned int width) { - if (width % 4) - return -EINVAL; - - if (width < 8 || width > 32) - return -EINVAL; + switch (width) { + case 8: + return 1; + case 12: + return 2; + case 16: + return 3; + case 20: + return 4; + case 24: + return 5; + case 28: + return 6; + case 32: + return 7; + } - return (width - 8) / 4 + 1; + return -EINVAL; } static int sun4i_i2s_set_chan_cfg(const struct sun4i_i2s *i2s, @@ -581,11 +600,11 @@ static int sun4i_i2s_hw_params(struct snd_pcm_substream *substream, } i2s->playback_dma_data.addr_width = width; - sr = i2s->variant->get_sr(i2s, word_size); + sr = i2s->variant->get_sr(word_size); if (sr < 0) return -EINVAL; - wss = i2s->variant->get_wss(i2s, slot_width); + wss = i2s->variant->get_wss(slot_width); if (wss < 0) return -EINVAL; -- 2.25.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.5 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED,DKIM_SIGNED,DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 99405C4363A for ; Mon, 26 Oct 2020 18:55:15 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 398F22085B for ; 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[82.127.142.33]) by smtp.gmail.com with ESMTPSA id f7sm24885193wrx.64.2020.10.26.11.52.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Oct 2020 11:52:45 -0700 (PDT) From: =?UTF-8?q?Cl=C3=A9ment=20P=C3=A9ron?= To: Maxime Ripard , Chen-Yu Tsai , Rob Herring , Mark Brown , Liam Girdwood Subject: [PATCH v8 03/14] ASoC: sun4i-i2s: Change get_sr() and get_wss() to be more explicit Date: Mon, 26 Oct 2020 19:52:28 +0100 Message-Id: <20201026185239.379417-4-peron.clem@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201026185239.379417-1-peron.clem@gmail.com> References: <20201026185239.379417-1-peron.clem@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201026_145247_475859_398D6A78 X-CRM114-Status: GOOD ( 16.85 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Jernej Skrabec , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, Takashi Iwai , Jaroslav Kysela , Marcus Cooper , linux-sunxi@googlegroups.com, =?UTF-8?q?Cl=C3=A9ment=20P=C3=A9ron?= , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org V2UgYXJlIGFjdHVhbGx5IHVzaW5nIGEgY29tcGxleCBmb3JtdWxhIHRvIGp1c3QgcmV0dXJuIGEg YnVuY2ggb2YKc2ltcGxlIHZhbHVlcy4gQWxzbyB0aGlzIGZvcm11bGEgaXMgd3JvbmcgZm9yIHN1 bjRpIHdoZW4gY2FsbGluZwpnZXRfd3NzKCkgdGhlIGZ1bmN0aW9uIHJldHVybiA0IGluc3RlYWQg b2YgMy4KClJlcGxhY2UgdGhpcyB3aXRoIGEgc2ltcGxlciBzd2l0Y2ggY2FzZS4KCkFsc28gZHJv cCB0aGUgaTJzIHBhcmFtcyB3aGljaCBpcyB1bnVzZWQgYW5kIHJldHVybiBhIHNpbXBsZSBpbnQg YXMKcmV0dXJuaW5nIGFuIGVycm9yIGNvZGUgY291bGQgYmUgb3V0IG9mIHJhbmdlIGZvciBhbiBz OCBhbmQgdGhlcmUgaXMKbm8gb3B0aW0gdG8gcmV0dXJuIGEgczggaGVyZS4KCkZpeGVzOiA2MTlj MTVmN2ZhYzkgKCJBU29DOiBzdW40aS1pMnM6IENoYW5nZSBTUiBhbmQgV1NTIGNvbXB1dGF0aW9u IikKUmV2aWV3ZWQtYnk6IENoZW4tWXUgVHNhaSA8d2Vuc0Bjc2llLm9yZz4KU2lnbmVkLW9mZi1i eTogQ2zDqW1lbnQgUMOpcm9uIDxwZXJvbi5jbGVtQGdtYWlsLmNvbT4KLS0tCiBzb3VuZC9zb2Mv c3VueGkvc3VuNGktaTJzLmMgfCA2OSArKysrKysrKysrKysrKysrKysrKysrKy0tLS0tLS0tLS0t LS0tCiAxIGZpbGUgY2hhbmdlZCwgNDQgaW5zZXJ0aW9ucygrKSwgMjUgZGVsZXRpb25zKC0pCgpk aWZmIC0tZ2l0IGEvc291bmQvc29jL3N1bnhpL3N1bjRpLWkycy5jIGIvc291bmQvc29jL3N1bnhp L3N1bjRpLWkycy5jCmluZGV4IDViZWM3ZmJkMGIzMC4uNzBhMmVjOTlmNDQ0IDEwMDY0NAotLS0g YS9zb3VuZC9zb2Mvc3VueGkvc3VuNGktaTJzLmMKKysrIGIvc291bmQvc29jL3N1bnhpL3N1bjRp LWkycy5jCkBAIC0xNzUsOCArMTc1LDggQEAgc3RydWN0IHN1bjRpX2kyc19xdWlya3MgewogCXVu c2lnbmVkIGludAkJCW51bV9tY2xrX2RpdmlkZXJzOwogCiAJdW5zaWduZWQgbG9uZyAoKmdldF9i Y2xrX3BhcmVudF9yYXRlKShjb25zdCBzdHJ1Y3Qgc3VuNGlfaTJzICopOwotCXM4CSgqZ2V0X3Ny KShjb25zdCBzdHJ1Y3Qgc3VuNGlfaTJzICosIGludCk7Ci0JczgJKCpnZXRfd3NzKShjb25zdCBz dHJ1Y3Qgc3VuNGlfaTJzICosIGludCk7CisJaW50CSgqZ2V0X3NyKSh1bnNpZ25lZCBpbnQgd2lk dGgpOworCWludAkoKmdldF93c3MpKHVuc2lnbmVkIGludCB3aWR0aCk7CiAJaW50CSgqc2V0X2No YW5fY2ZnKShjb25zdCBzdHJ1Y3Qgc3VuNGlfaTJzICppMnMsCiAJCQkJdW5zaWduZWQgaW50IGNo YW5uZWxzLAl1bnNpZ25lZCBpbnQgc2xvdHMsCiAJCQkJdW5zaWduZWQgaW50IHNsb3Rfd2lkdGgp OwpAQCAtMzgxLDM3ICszODEsNTYgQEAgc3RhdGljIGludCBzdW40aV9pMnNfc2V0X2Nsa19yYXRl KHN0cnVjdCBzbmRfc29jX2RhaSAqZGFpLAogCXJldHVybiAwOwogfQogCi1zdGF0aWMgczggc3Vu NGlfaTJzX2dldF9zcihjb25zdCBzdHJ1Y3Qgc3VuNGlfaTJzICppMnMsIGludCB3aWR0aCkKK3N0 YXRpYyBpbnQgc3VuNGlfaTJzX2dldF9zcih1bnNpZ25lZCBpbnQgd2lkdGgpCiB7Ci0JaWYgKHdp ZHRoIDwgMTYgfHwgd2lkdGggPiAyNCkKLQkJcmV0dXJuIC1FSU5WQUw7Ci0KLQlpZiAod2lkdGgg JSA0KQotCQlyZXR1cm4gLUVJTlZBTDsKKwlzd2l0Y2ggKHdpZHRoKSB7CisJY2FzZSAxNjoKKwkJ cmV0dXJuIDA7CisJY2FzZSAyMDoKKwkJcmV0dXJuIDE7CisJY2FzZSAyNDoKKwkJcmV0dXJuIDI7 CisJfQogCi0JcmV0dXJuICh3aWR0aCAtIDE2KSAvIDQ7CisJcmV0dXJuIC1FSU5WQUw7CiB9CiAK LXN0YXRpYyBzOCBzdW40aV9pMnNfZ2V0X3dzcyhjb25zdCBzdHJ1Y3Qgc3VuNGlfaTJzICppMnMs IGludCB3aWR0aCkKK3N0YXRpYyBpbnQgc3VuNGlfaTJzX2dldF93c3ModW5zaWduZWQgaW50IHdp ZHRoKQogewotCWlmICh3aWR0aCA8IDE2IHx8IHdpZHRoID4gMzIpCi0JCXJldHVybiAtRUlOVkFM OwotCi0JaWYgKHdpZHRoICUgNCkKLQkJcmV0dXJuIC1FSU5WQUw7CisJc3dpdGNoICh3aWR0aCkg eworCWNhc2UgMTY6CisJCXJldHVybiAwOworCWNhc2UgMjA6CisJCXJldHVybiAxOworCWNhc2Ug MjQ6CisJCXJldHVybiAyOworCWNhc2UgMzI6CisJCXJldHVybiAzOworCX0KIAotCXJldHVybiAo d2lkdGggLSAxNikgLyA0OworCXJldHVybiAtRUlOVkFMOwogfQogCi1zdGF0aWMgczggc3VuOGlf aTJzX2dldF9zcl93c3MoY29uc3Qgc3RydWN0IHN1bjRpX2kycyAqaTJzLCBpbnQgd2lkdGgpCitz dGF0aWMgaW50IHN1bjhpX2kyc19nZXRfc3Jfd3NzKHVuc2lnbmVkIGludCB3aWR0aCkKIHsKLQlp ZiAod2lkdGggJSA0KQotCQlyZXR1cm4gLUVJTlZBTDsKLQotCWlmICh3aWR0aCA8IDggfHwgd2lk dGggPiAzMikKLQkJcmV0dXJuIC1FSU5WQUw7CisJc3dpdGNoICh3aWR0aCkgeworCWNhc2UgODoK KwkJcmV0dXJuIDE7CisJY2FzZSAxMjoKKwkJcmV0dXJuIDI7CisJY2FzZSAxNjoKKwkJcmV0dXJu IDM7CisJY2FzZSAyMDoKKwkJcmV0dXJuIDQ7CisJY2FzZSAyNDoKKwkJcmV0dXJuIDU7CisJY2Fz ZSAyODoKKwkJcmV0dXJuIDY7CisJY2FzZSAzMjoKKwkJcmV0dXJuIDc7CisJfQogCi0JcmV0dXJu ICh3aWR0aCAtIDgpIC8gNCArIDE7CisJcmV0dXJuIC1FSU5WQUw7CiB9CiAKIHN0YXRpYyBpbnQg c3VuNGlfaTJzX3NldF9jaGFuX2NmZyhjb25zdCBzdHJ1Y3Qgc3VuNGlfaTJzICppMnMsCkBAIC01 ODEsMTEgKzYwMCwxMSBAQCBzdGF0aWMgaW50IHN1bjRpX2kyc19od19wYXJhbXMoc3RydWN0IHNu ZF9wY21fc3Vic3RyZWFtICpzdWJzdHJlYW0sCiAJfQogCWkycy0+cGxheWJhY2tfZG1hX2RhdGEu YWRkcl93aWR0aCA9IHdpZHRoOwogCi0Jc3IgPSBpMnMtPnZhcmlhbnQtPmdldF9zcihpMnMsIHdv cmRfc2l6ZSk7CisJc3IgPSBpMnMtPnZhcmlhbnQtPmdldF9zcih3b3JkX3NpemUpOwogCWlmIChz ciA8IDApCiAJCXJldHVybiAtRUlOVkFMOwogCi0Jd3NzID0gaTJzLT52YXJpYW50LT5nZXRfd3Nz KGkycywgc2xvdF93aWR0aCk7CisJd3NzID0gaTJzLT52YXJpYW50LT5nZXRfd3NzKHNsb3Rfd2lk dGgpOwogCWlmICh3c3MgPCAwKQogCQlyZXR1cm4gLUVJTlZBTDsKIAotLSAKMi4yNS4xCgoKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtl cm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0 dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5l bAo=