linux-kernel - [PATCH v7 0/6] meson saradc: add iio channels to read channel 7 mux inputs

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Message-ID: <20230714114010.293440-1-gnstark@sberdevices.ru>
Date:   Fri, 14 Jul 2023 14:37:47 +0300
From:   George Stark <gnstark@...rdevices.ru>
To:     <jic23@...nel.org>, <lars@...afoo.de>, <neil.armstrong@...aro.org>,
        <khilman@...libre.com>, <jbrunet@...libre.com>,
        <martin.blumenstingl@...glemail.com>,
        <andriy.shevchenko@...ux.intel.com>, <nuno.sa@...log.com>,
        <gnstark@...rdevices.ru>
CC:     <linux-iio@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-amlogic@...ts.infradead.org>, <kernel@...rdevices.ru>
Subject: [PATCH v7 0/6] meson saradc: add iio channels to read channel 7 mux inputs

Changelog:

v1->v2:
split refactoring patch [1] into 4 smaller patches, fix comment style

[1] https://lore.kernel.org/lkml/20230621062715.455652-2-gnstark@sberdevices.ru/

v2->v3:
remove patch 'meson saradc: unite iio channel array definitions' [1] after discussion

patch 'meson saradc: add enum for iio channel array indexes'
  - change enum items prefix from INDEX_ to NUM_ since name 'channel index' is
  more relevant to channel array index in iio world and with 2 tables our array index is
  not always equal to channel number
  - resolve conflicts after deleting [1]
  - update commit message, previous patch [2]
  - return channel number for temp channel. It wasn't used and isn't used currently
  but may need later

patch meson saradc: support reading from channel 7 mux inputs
  - resolve conflicts after deleting [1]
  - update commit message, previous patch [3]
  - add routine find_channel_by_num to get channel by channel number

[1] https://lore.kernel.org/lkml/20230623022334.791026-4-gnstark@sberdevices.ru/
[2] https://lore.kernel.org/lkml/20230623022334.791026-5-gnstark@sberdevices.ru/
[3] https://lore.kernel.org/lkml/20230623022334.791026-7-gnstark@sberdevices.ru/

v3->v4:
add new patch 'iio: adc: meson: remove unused timestamp channel' [1]

patch 'iio: adc: meson: move enums declaration before'
	update commit message, previous patch [2]
patch 'iio: adc: meson: move meson_sar_adc_set_chan7_mux'
	update commit message, previous patch [3]
patch 'iio: adc: meson: add enum for iio channel numbers'
	update commit message, previous patch [4]
patch 'iio: adc: meson: add channel labels'
	update commit message, previous patch [5]
	change sprintf(label, "%s\n", "temp-sensor") to sprintf(label, "temp-sensor\n")
patch 'iio: adc: meson: support reading from channel 7 mux'
	rewrite enum meson_sar_adc_chan7_mux_sel definition and
		read_label routine proposed by Andy [7], previous patch [6]

[1] https://lore.kernel.org/lkml/20230705160413.000062e7@Huawei.com/
[2] https://lore.kernel.org/lkml/20230627224017.1724097-2-gnstark@sberdevices.ru/
[3] https://lore.kernel.org/lkml/20230627224017.1724097-3-gnstark@sberdevices.ru/
[4] https://lore.kernel.org/lkml/20230627224017.1724097-4-gnstark@sberdevices.ru/
[5] https://lore.kernel.org/lkml/20230627224017.1724097-5-gnstark@sberdevices.ru/
[6] https://lore.kernel.org/lkml/20230627224017.1724097-6-gnstark@sberdevices.ru/
[7] https://lore.kernel.org/lkml/ZJwGCNA+ZURri24i@smile.fi.intel.com/

v4->v5:
patch 'iio: adc: meson: move enums declaration before variables declaration'
	update commit message, previous patch [1]
patch 'iio: adc: meson: move meson_sar_adc_set_chan7_mux routine upper'
	update commit message, previous patch [2]
patch 'iio: adc: meson: add channel labels'
	update commit message, previous patch [3]
patch 'iio: adc: meson: support reading from channel 7 mux inputs'
	update commit message, previous patch [4]

[1] https://lore.kernel.org/lkml/20230707153322.114302-3-gnstark@sberdevices.ru/
[2] https://www.spinics.net/lists/linux-iio/msg80226.html
[3] https://www.spinics.net/lists/linux-iio/msg80227.html
[4] https://www.spinics.net/lists/linux-iio/msg80230.html

v5->v6:
patch 'iio: adc: meson: move enums declaration before variables declaration'
	update commit message, previous patch [1]
patch 'iio: adc: meson: support reading from channel 7 mux inputs'
	update commit message, previous patch [2]
[1] https://www.spinics.net/lists/linux-iio/msg80315.html
[2] https://www.spinics.net/lists/linux-iio/msg80314.html

v6->v7:
all patches:
	add tag Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

George Stark (6):
  iio: adc: meson: remove unused timestamp channel
  iio: adc: meson: move enums declaration before variables declaration
  iio: adc: meson: move meson_sar_adc_set_chan7_mux routine upper
  iio: adc: meson: add enum for iio channel numbers
  iio: adc: meson: add channel labels
  iio: adc: meson: support reading from channel 7 mux inputs

 drivers/iio/adc/meson_saradc.c | 173 +++++++++++++++++++++++++--------
 1 file changed, 134 insertions(+), 39 deletions(-)

-- 
2.38.4