From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Google-Smtp-Source: AG47ELs13Ocdp31/PjO3yEpVMxeEB37ZudWIVquna6BIiB39FTV7zMGYg2uWzPvqD3lAx/qXaBsC ARC-Seal: i=1; a=rsa-sha256; t=1520128195; cv=none; d=google.com; s=arc-20160816; b=QGnvrzgGoZ3crv6Cmtpb2mGVnPcwgboQ5s7D9qBiLKxJUFs2rkTccegamDcpHQXT+z Vi2cvpGsqOBDSHgJUCaA/JfbMGdZRqZk/7KvrcxhUIsOLTQdgQNFDt/tE8O52tlID2gO eWV9po2qkMyGmzBiCy/VmZ9bZk8rFgbUMOTGlNKyF3v8cUsrUu6heFBZU6+D43Cg6t5J nZIx85gwXLlKA1k0WsQZsLoMeE2Bt+sdTvB/sC8mdnh9p5JdODkgC8AnXWYGO4mMIM5R uPfccry2h+XPg9wIM7QN05dpj+gXq5SkE8Vj0/mZWc1FkYaZH8N1ryiAJsOjv3zASLlX kSPg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature:arc-authentication-results; bh=MD1PAw7OUS3kfGy9zAwJDXDil7I9gDcQp7zLP4aAxkc=; b=d2CB9yWt59GLiaEgbZthIEyFqzTFVBP5j0+Qw7v757wXVQlMv6z1vQh2FKzDDVIuvA TI3YsdWvXTQe+Bh3F9Tq9QcS72o/uA60KBbM7iOO7mUsmibU0sOO9MXLPdPMufF+ttCd b7Ov6BkVLQ+lxWxnzGHEl/2J1v/QRsG8OKdZcqyKnGx0aWGQ6s8HrEBrLBtYa2y/xmXK XlMJiVNHmxR9d71N2oiP/IZyapX3eabntWygDfcHwLWMMWJo5shArF40YZMKbzPJLP5O u31lAjpGnK6P7ZFi/1kvpnlInKLiGprfQKYyjxsJLG/HilnFxJmuv6D8e+08qW4yyowI 2BWg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass (test mode) header.i=@onstation.org header.s=default header.b=UoY7nlWi; spf=pass (google.com: best guess record for domain of masneyb@onstation.org designates 52.200.56.107 as permitted sender) smtp.mailfrom=masneyb@onstation.org Authentication-Results: mx.google.com; dkim=pass (test mode) header.i=@onstation.org header.s=default header.b=UoY7nlWi; spf=pass (google.com: best guess record for domain of masneyb@onstation.org designates 52.200.56.107 as permitted sender) smtp.mailfrom=masneyb@onstation.org From: Brian Masney To: jic23@kernel.org, linux-iio@vger.kernel.org Cc: gregkh@linuxfoundation.org, devel@driverdev.osuosl.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, linux-kernel@vger.kernel.org, Jon.Brenner@ams.com Subject: [PATCH 11/12] staging: iio: tsl2x7x: remove unnecessary sysfs attribute Date: Sat, 3 Mar 2018 20:49:41 -0500 Message-Id: <20180304014942.18727-12-masneyb@onstation.org> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180304014942.18727-1-masneyb@onstation.org> References: <20180304014942.18727-1-masneyb@onstation.org> X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: =?utf-8?q?1593969942759533718?= X-GMAIL-MSGID: =?utf-8?q?1593969942759533718?= X-Mailing-List: linux-kernel@vger.kernel.org List-ID: The tsl2771 and tmd2771 devices create the in_proximity0_calibscale_available sysfs attribute. These two particular devices do not support changing the proximity gain value on the chip so this patch removes that sysfs attribute. As expected, these two devices already did not create the IIO_CHAN_INFO_CALIBSCALE channel and proximity0_calibrate sysfs attribute. Page 38 of the tsl2772 data sheet shows that the proximity gain can be adjusted with bits 2-3 on the control register: https://ams.com/eng/content/download/291503/1066377/file/TSL2772_DS000181_2-00.pdf Page 35 of the tsl2771 and tmd2771 data sheets shows that bits 2-3 on the control register are reserved and changing the proximity gain is not supported: https://ams.com/eng/content/download/250264/976045/file/TSL2771_DS000105_3-00.pdf https://ams.com/eng/content/download/250283/976077/file/TMD2771_DS000177_2-00.pdf Signed-off-by: Brian Masney --- drivers/staging/iio/light/tsl2x7x.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/staging/iio/light/tsl2x7x.c b/drivers/staging/iio/light/tsl2x7x.c index fb91c46c8747..8c29a52153c1 100644 --- a/drivers/staging/iio/light/tsl2x7x.c +++ b/drivers/staging/iio/light/tsl2x7x.c @@ -1477,7 +1477,6 @@ static struct attribute *tsl2x7x_ALSPRX_device_attrs[] = { &dev_attr_in_illuminance0_target_input.attr, &dev_attr_in_illuminance0_calibrate.attr, &dev_attr_in_illuminance0_lux_table.attr, - &iio_const_attr_in_proximity0_calibscale_available.dev_attr.attr, NULL }; -- 2.14.3