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Wed, 28 Jul 2021 08:44:40 -0500 Received: from EDIEX01.ad.cirrus.com (198.61.84.80) by EDIEX02.ad.cirrus.com (198.61.84.81) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2242.4; Wed, 28 Jul 2021 14:44:37 +0100 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by EDIEX01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server id 15.1.2242.4 via Frontend Transport; Wed, 28 Jul 2021 14:44:37 +0100 Received: from vitaly-Inspiron-5415.ad.cirrus.com (unknown [198.90.238.32]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 93BC545D; Wed, 28 Jul 2021 13:44:37 +0000 (UTC) From: Vitaly Rodionov To: Jaroslav Kysela , Takashi Iwai CC: , , , Stefan Binding Subject: [PATCH v2 24/27] ALSA: hda/cs8409: Use timeout rather than retries for I2C transaction waits Date: Wed, 28 Jul 2021 14:44:05 +0100 Message-ID: <20210728134408.369396-25-vitalyr@opensource.cirrus.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210728134408.369396-1-vitalyr@opensource.cirrus.com> References: <20210728134408.369396-1-vitalyr@opensource.cirrus.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-GUID: CslibmsU6zfbB4ExL7oNDjsjJlg28kNJ X-Proofpoint-ORIG-GUID: CslibmsU6zfbB4ExL7oNDjsjJlg28kNJ X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 impostorscore=0 suspectscore=0 lowpriorityscore=0 mlxlogscore=999 phishscore=0 spamscore=0 clxscore=1015 mlxscore=0 adultscore=0 bulkscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2107140000 definitions=main-2107280077 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Stefan Binding Signed-off-by: Stefan Binding Signed-off-by: Vitaly Rodionov Changes in v2: - No changes --- sound/pci/hda/patch_cs8409.c | 16 +++------------- sound/pci/hda/patch_cs8409.h | 2 ++ 2 files changed, 5 insertions(+), 13 deletions(-) diff --git a/sound/pci/hda/patch_cs8409.c b/sound/pci/hda/patch_cs8409.c index 5b6d843ab7fb..422381913bc6 100644 --- a/sound/pci/hda/patch_cs8409.c +++ b/sound/pci/hda/patch_cs8409.c @@ -119,24 +119,14 @@ static void cs8409_enable_i2c_clock(struct hda_codec *codec) * @codec: the codec instance * * Wait for I2C transaction to complete. - * Return -1 if transaction wait times out. + * Return -ETIMEDOUT if transaction wait times out. */ static int cs8409_i2c_wait_complete(struct hda_codec *codec) { - int repeat = 5; unsigned int retval; - do { - retval = cs8409_vendor_coef_get(codec, CS8409_I2C_STS); - if ((retval & 0x18) != 0x18) { - usleep_range(2000, 4000); - --repeat; - } else - return 0; - - } while (repeat); - - return -1; + return read_poll_timeout(cs8409_vendor_coef_get, retval, retval & 0x18, + CS42L42_I2C_SLEEP_US, CS42L42_I2C_TIMEOUT_US, false, codec, CS8409_I2C_STS); } /** diff --git a/sound/pci/hda/patch_cs8409.h b/sound/pci/hda/patch_cs8409.h index 2208be2ffad1..71dbbd8e2f3b 100644 --- a/sound/pci/hda/patch_cs8409.h +++ b/sound/pci/hda/patch_cs8409.h @@ -231,6 +231,8 @@ enum cs8409_coefficient_index_registers { #define CS42L42_HSTYPE_MASK (0x03) #define CS42L42_JACK_INSERTED (0x0C) #define CS42L42_JACK_REMOVED (0x00) +#define CS42L42_I2C_TIMEOUT_US (20000) +#define CS42L42_I2C_SLEEP_US (2000) /* Dell BULLSEYE / WARLOCK / CYBORG Specific Definitions */ -- 2.25.1