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Wed, 24 Jun 2026 06:59:05 -0700 (PDT) From: Boris Shtrasman To: Sebastian Reichel , Shuah Khan Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-api@vger.kernel.org, Boris Shtrasman Subject: [PATCH v2 2/2] power: supply: sbs-battery: Add PbAc, NiZn, RAM, and ZnAr support Date: Wed, 24 Jun 2026 16:57:18 +0300 Message-ID: <20260624135718.286771-3-borissh1983@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260624135718.286771-1-borissh1983@gmail.com> References: <20260624135718.286771-1-borissh1983@gmail.com> Precedence: bulk X-Mailing-List: linux-api@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add support for PbAc, NiZn, RAM, and ZnAr chemistries as defined in the Smart Battery Data Specification v1.1 (Section 5.1.30 DeviceChemistry). Currently, the sbs-battery driver only handles LION, LiP, NiCd and NiMH. The Smart Battery specification defines 8 possible values: - Lead Acid (PbAc) - Lithium Ion (LION) - Nickel Cadmium (NiCd) - Nickel Metal Hydride (NiMH) - Nickel Zinc (NiZn) - Rechargeable Alkaline-Manganese (RAM) - Zinc Air (ZnAr) - Lithium Polymer (LiP) Link: https://sbs-forum.org/specs/sbdat110.pdf Signed-off-by: Boris Shtrasman --- drivers/power/supply/sbs-battery.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/power/supply/sbs-battery.c b/drivers/power/supply/sbs-battery.c index 43c48196c167..42a941e99155 100644 --- a/drivers/power/supply/sbs-battery.c +++ b/drivers/power/supply/sbs-battery.c @@ -860,6 +860,14 @@ static int sbs_get_chemistry(struct sbs_info *chip, chip->technology = POWER_SUPPLY_TECHNOLOGY_NiCd; else if (!strncasecmp(chemistry, "NiMH", 4)) chip->technology = POWER_SUPPLY_TECHNOLOGY_NiMH; + else if (!strncasecmp(chemistry, "PbAc", 4)) + chip->technology = POWER_SUPPLY_TECHNOLOGY_PbAc; + else if (!strncasecmp(chemistry, "NiZn", 4)) + chip->technology = POWER_SUPPLY_TECHNOLOGY_NiZn; + else if (!strncasecmp(chemistry, "RAM", 3)) + chip->technology = POWER_SUPPLY_TECHNOLOGY_RAM; + else if (!strncasecmp(chemistry, "ZnAr", 4)) + chip->technology = POWER_SUPPLY_TECHNOLOGY_ZnAr; else chip->technology = POWER_SUPPLY_TECHNOLOGY_UNKNOWN; -- 2.47.3